{"id":930,"date":"2018-05-13T09:45:27","date_gmt":"2018-05-13T02:45:27","guid":{"rendered":"https:\/\/sci.rmutp.ac.th\/woravith\/?page_id=930"},"modified":"2021-05-08T21:53:15","modified_gmt":"2021-05-08T14:53:15","slug":"%e0%b8%81%e0%b8%a3%e0%b8%94-%e0%b9%80%e0%b8%9a%e0%b8%aa-%e0%b8%ad%e0%b8%b4%e0%b8%99%e0%b8%94%e0%b8%b4%e0%b9%80%e0%b8%84%e0%b9%80%e0%b8%95%e0%b8%ad%e0%b8%a3%e0%b9%8c","status":"publish","type":"page","link":"https:\/\/sci.rmutp.ac.th\/woravith\/?page_id=930","title":{"rendered":"\u0e01\u0e32\u0e23\u0e17\u0e14\u0e25\u0e2d\u0e07\u0e17\u0e35\u0e48 11  \u0e01\u0e23\u0e14-\u0e40\u0e1a\u0e2a \u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c"},"content":{"rendered":"<div id=\"pl-gb930-6a4623ce64e99\"  class=\"panel-layout\" ><div id=\"pg-gb930-6a4623ce64e99-0\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-gb930-6a4623ce64e99-0-0\"  class=\"panel-grid-cell\" ><div id=\"panel-gb930-6a4623ce64e99-0-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child\" data-index=\"0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p><a name=\"top\"><\/a><\/p>\n<\/div>\n<\/div><\/div><div id=\"panel-gb930-6a4623ce64e99-0-0-1\" class=\"so-panel widget widget_sow-editor panel-last-child\" data-index=\"1\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<a href=\"https:\/\/sci.rmutp.ac.th\/woravith\/?page_id=82\" class=\"su-button su-button-style-soft\" style=\"color:#FFFFFF;background-color:#0088ff;border-color:#006dcc;border-radius:5px\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"color:#FFFFFF;padding:6px 16px;font-size:13px;line-height:20px;border-color:#4dacff;border-radius:5px;text-shadow:none\"><i class=\"sui sui-home\" style=\"font-size:13px;color:#FFFFFF\"><\/i> Menu<\/span><\/a>\n<\/div>\n<\/div><\/div><\/div><div id=\"pgc-gb930-6a4623ce64e99-0-1\"  class=\"panel-grid-cell\" ><div id=\"panel-gb930-6a4623ce64e99-0-1-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"2\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p style=\"text-align: right;\">\u0e1c\u0e39\u0e49\u0e0a\u0e48\u0e27\u0e22\u0e28\u0e32\u0e2a\u0e15\u0e23\u0e32\u0e08\u0e32\u0e23\u0e22\u0e4c \u0e14\u0e23.\u0e27\u0e23\u0e27\u0e34\u0e17\u0e22\u0e4c \u0e08\u0e31\u0e19\u0e17\u0e23\u0e4c\u0e2a\u0e38\u0e27\u0e23\u0e23\u0e13<br \/>\n\u0e1b\u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e38\u0e07\u0e25\u0e48\u0e32\u0e2a\u0e38\u0e14: 23 \u0e1e\u0e24\u0e29\u0e20\u0e32\u0e04\u0e21 2563<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><div id=\"pg-gb930-6a4623ce64e99-1\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-gb930-6a4623ce64e99-1-0\"  class=\"panel-grid-cell\" ><div id=\"panel-gb930-6a4623ce64e99-1-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"3\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t><h3 class=\"widget-title\">\u0e27\u0e31\u0e15\u0e16\u0e38\u0e1b\u0e23\u0e30\u0e2a\u0e07\u0e04\u0e4c<\/h3>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<ol>\n<li>\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e1d\u0e36\u0e01\u0e17\u0e31\u0e01\u0e29\u0e30\u0e01\u0e32\u0e23\u0e2b\u0e32\u0e04\u0e48\u0e32 pH \u0e02\u0e2d\u0e07\u0e2a\u0e32\u0e23\u0e25\u0e30\u0e25\u0e32\u0e22\u0e42\u0e14\u0e22\u0e43\u0e0a\u0e49\u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c<\/li>\n<\/ol>\n<\/div>\n<\/div><\/div><\/div><div id=\"pgc-gb930-6a4623ce64e99-1-1\"  class=\"panel-grid-cell\" ><div id=\"panel-gb930-6a4623ce64e99-1-1-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"4\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t><h3 class=\"widget-title\">Download<\/h3>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<ul>\n<li><a href=\"https:\/\/sci.rmutp.ac.th\/woravith\/upload\/EngChemLab\/ECL11.pdf\">\u0e1a\u0e17\u0e1b\u0e0f\u0e34\u0e1a\u0e31\u0e15\u0e34\u0e01\u0e32\u0e23<\/a> [pdf]<\/li>\n<li><a href=\"https:\/\/sci.rmutp.ac.th\/woravith\/upload\/EngChemLab\/ECL11R.pdf\">\u0e23\u0e32\u0e22\u0e07\u0e32\u0e19\u0e01\u0e32\u0e23\u0e17\u0e14\u0e25\u0e2d\u0e07<\/a> [pdf]<\/li>\n<\/ul>\n<\/div>\n<\/div><\/div><\/div><\/div><div id=\"pg-gb930-6a4623ce64e99-2\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-gb930-6a4623ce64e99-2-0\"  class=\"panel-grid-cell\" ><div id=\"panel-gb930-6a4623ce64e99-2-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"5\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t><h3 class=\"widget-title\">\u0e2b\u0e25\u0e31\u0e01\u0e01\u0e32\u0e23<\/h3>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<\/div>\n<\/div><\/div><\/div><div id=\"pgc-gb930-6a4623ce64e99-2-1\"  class=\"panel-grid-cell\" ><div id=\"panel-gb930-6a4623ce64e99-2-1-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"6\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p>\u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c\u0e04\u0e37\u0e2d\u0e2a\u0e32\u0e23\u0e40\u0e04\u0e21\u0e35\u0e0b\u0e36\u0e48\u0e07\u0e2d\u0e32\u0e08\u0e40\u0e1b\u0e47\u0e19\u0e44\u0e14\u0e49\u0e17\u0e31\u0e49\u0e07\u0e2a\u0e32\u0e23\u0e2d\u0e34\u0e19\u0e17\u0e23\u0e35\u0e22\u0e4c\u0e2b\u0e23\u0e37\u0e2d\u0e2a\u0e32\u0e23\u0e2d\u0e19\u0e34\u0e19\u0e17\u0e23\u0e35\u0e22\u0e4c\u0e17\u0e35\u0e48\u0e21\u0e35\u0e2a\u0e21\u0e1a\u0e31\u0e15\u0e34\u0e40\u0e1b\u0e25\u0e35\u0e48\u0e22\u0e19\u0e2a\u0e35\u0e44\u0e14\u0e49\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e1a\u0e2d\u0e01\u0e08\u0e38\u0e14\u0e2a\u0e21\u0e21\u0e39\u0e25 (equivalent point) \u0e02\u0e2d\u0e07\u0e2a\u0e32\u0e23\u0e43\u0e19\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e44\u0e17\u0e40\u0e17\u0e23\u0e15 \u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c\u0e21\u0e35\u0e2b\u0e25\u0e32\u0e22\u0e1b\u0e23\u0e30\u0e40\u0e20\u0e17\u0e15\u0e32\u0e21\u0e0a\u0e19\u0e34\u0e14\u0e02\u0e2d\u0e07\u0e1b\u0e0f\u0e34\u0e01\u0e34\u0e23\u0e34\u0e22\u0e32 \u0e41\u0e15\u0e48\u0e43\u0e19\u0e17\u0e35\u0e48\u0e19\u0e35\u0e49\u0e08\u0e30\u0e28\u0e36\u0e01\u0e29\u0e32\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c\u0e17\u0e35\u0e48\u0e43\u0e0a\u0e49\u0e43\u0e19\u0e1b\u0e0f\u0e34\u0e01\u0e34\u0e23\u0e34\u0e22\u0e32\u0e01\u0e23\u0e14\u0e40\u0e1a\u0e2a (acid-base indicator) \u0e0b\u0e36\u0e48\u0e07\u0e40\u0e1b\u0e47\u0e19\u0e2a\u0e32\u0e23\u0e2d\u0e34\u0e19\u0e17\u0e23\u0e35\u0e22\u0e4c\u0e1b\u0e23\u0e30\u0e40\u0e20\u0e17\u0e2a\u0e35\u0e22\u0e49\u0e2d\u0e21 (dye) \u0e0b\u0e36\u0e48\u0e07\u0e21\u0e35\u0e2a\u0e21\u0e1a\u0e31\u0e15\u0e34\u0e40\u0e1b\u0e47\u0e19\u0e01\u0e23\u0e14\u0e2b\u0e23\u0e37\u0e2d\u0e40\u0e1a\u0e2a\u0e2d\u0e48\u0e2d\u0e19 \u0e21\u0e35 pK<sub>a<\/sub> \u0e15\u0e48\u0e32\u0e07 \u0e46 \u0e01\u0e31\u0e19 \u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c\u0e41\u0e15\u0e48\u0e25\u0e30\u0e0a\u0e19\u0e34\u0e14\u0e21\u0e35\u0e2a\u0e35\u0e41\u0e25\u0e30\u0e0a\u0e48\u0e27\u0e07\u0e01\u0e32\u0e23\u0e40\u0e1b\u0e25\u0e35\u0e48\u0e22\u0e19\u0e2a\u0e35\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e15\u0e31\u0e27 (\u0e15\u0e32\u0e21 pK<sub>In<\/sub>) \u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e43\u0e0a\u0e49\u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c\u0e17\u0e35\u0e48\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e21\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e1a\u0e2d\u0e01\u0e08\u0e38\u0e14\u0e22\u0e38\u0e15\u0e34 (end point) \u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e02\u0e2d\u0e07\u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c\u0e1a\u0e32\u0e07\u0e0a\u0e19\u0e34\u0e14\u0e17\u0e35\u0e48\u0e19\u0e34\u0e22\u0e21\u0e43\u0e0a\u0e49\u0e14\u0e31\u0e07\u0e15\u0e32\u0e23\u0e32\u0e07\u0e17\u0e35\u0e48 11.1<\/p>\n<p><strong>\u0e15\u0e32\u0e23\u0e32\u0e07\u0e17\u0e35\u0e48 <\/strong><strong>11.1<\/strong> \u0e0a\u0e19\u0e34\u0e14\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e40\u0e1b\u0e25\u0e35\u0e48\u0e22\u0e19\u0e41\u0e1b\u0e25\u0e07\u0e02\u0e2d\u0e07\u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c\u0e1a\u0e32\u0e07\u0e0a\u0e19\u0e34\u0e14\u0e17\u0e35\u0e48\u0e19\u0e34\u0e22\u0e21\u0e43\u0e0a\u0e49<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"143\"><strong>\u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c<\/strong><\/td>\n<td width=\"91\"><strong>\u0e0a\u0e48\u0e27\u0e07 <\/strong><strong>pH<\/strong><\/td>\n<td width=\"78\"><strong>pK<sub>In<\/sub><\/strong><\/td>\n<td width=\"144\"><strong>\u0e2a\u0e35\u0e1b\u0e23\u0e32\u0e01\u0e0f\u0e43\u0e19\u0e23\u0e39\u0e1b\u0e01\u0e23\u0e14-\u0e40\u0e1a\u0e2a<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"143\">Thymol blue<\/td>\n<td width=\"91\">1.2-2.8<\/td>\n<td width=\"78\">1.6<\/td>\n<td width=\"144\">\u0e41\u0e14\u0e07-\u0e40\u0e2b\u0e25\u0e37\u0e2d\u0e07<\/td>\n<\/tr>\n<tr>\n<td width=\"143\">Methyl yellow<\/td>\n<td width=\"91\">2.9-4.0<\/td>\n<td width=\"78\">3.3<\/td>\n<td width=\"144\">\u0e41\u0e14\u0e07-\u0e40\u0e2b\u0e25\u0e37\u0e2d\u0e07<\/td>\n<\/tr>\n<tr>\n<td width=\"143\">Methyl orange<\/td>\n<td width=\"91\">3.1-4.4<\/td>\n<td width=\"78\">4.2<\/td>\n<td width=\"144\">\u0e41\u0e14\u0e07-\u0e40\u0e2b\u0e25\u0e37\u0e2d\u0e07<\/td>\n<\/tr>\n<tr>\n<td width=\"143\">Bromocresol green<\/td>\n<td width=\"91\">3.8-5.4<\/td>\n<td width=\"78\">4.7<\/td>\n<td width=\"144\">\u0e40\u0e2b\u0e25\u0e37\u0e2d\u0e07-\u0e19\u0e49\u0e33\u0e40\u0e07\u0e34\u0e19<\/td>\n<\/tr>\n<tr>\n<td width=\"143\">Methyl red<\/td>\n<td width=\"91\">4.2-6.2<\/td>\n<td width=\"78\">5.0<\/td>\n<td width=\"144\">\u0e41\u0e14\u0e07-\u0e40\u0e2b\u0e25\u0e37\u0e2d\u0e07<\/td>\n<\/tr>\n<tr>\n<td width=\"143\">Chlorophenol red<\/td>\n<td width=\"91\">4.8-6.4<\/td>\n<td width=\"78\">6.0<\/td>\n<td width=\"144\">\u0e40\u0e2b\u0e25\u0e37\u0e2d\u0e07-\u0e41\u0e14\u0e07<\/td>\n<\/tr>\n<tr>\n<td width=\"143\">Bromothymol blue<\/td>\n<td width=\"91\">6.0-7.6<\/td>\n<td width=\"78\">7.1<\/td>\n<td width=\"144\">\u0e40\u0e2b\u0e25\u0e37\u0e2d\u0e07-\u0e19\u0e49\u0e33\u0e40\u0e07\u0e34\u0e19<\/td>\n<\/tr>\n<tr>\n<td width=\"143\">Phenol red<\/td>\n<td width=\"91\">6.4-7.6<\/td>\n<td width=\"78\">7.4<\/td>\n<td width=\"144\">\u0e40\u0e2b\u0e25\u0e37\u0e2d\u0e07-\u0e41\u0e14\u0e07<\/td>\n<\/tr>\n<tr>\n<td width=\"143\">Cresol purple<\/td>\n<td width=\"91\">7.4-9.0<\/td>\n<td width=\"78\">8.5<\/td>\n<td width=\"144\">\u0e40\u0e2b\u0e25\u0e37\u0e2d\u0e07-\u0e21\u0e48\u0e27\u0e07<\/td>\n<\/tr>\n<tr>\n<td width=\"143\">Phenolphthalein<\/td>\n<td width=\"91\">8.0-9.0<\/td>\n<td width=\"78\">9.0<\/td>\n<td width=\"144\">\u0e44\u0e21\u0e48\u0e21\u0e35\u0e2a\u0e35-\u0e41\u0e14\u0e07<\/td>\n<\/tr>\n<tr>\n<td width=\"143\">Thymolphthalein<\/td>\n<td width=\"91\">9.3-10.5<\/td>\n<td width=\"78\">9.9<\/td>\n<td width=\"144\">\u0e44\u0e21\u0e48\u0e21\u0e35\u0e2a\u0e35-\u0e19\u0e49\u0e33\u0e40\u0e07\u0e34\u0e19<\/td>\n<\/tr>\n<tr>\n<td width=\"143\">Alizarine yellow<\/td>\n<td width=\"91\">10.0-12.0<\/td>\n<td width=\"78\">11.0<\/td>\n<td width=\"144\">\u0e40\u0e2b\u0e25\u0e37\u0e2d\u0e07-\u0e21\u0e48\u0e27\u0e07<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u0e01\u0e32\u0e23\u0e2b\u0e32 pH \u0e02\u0e2d\u0e07\u0e2a\u0e32\u0e23\u0e25\u0e30\u0e25\u0e32\u0e22\u0e42\u0e14\u0e22\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c<\/strong><\/p>\n<p>\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c\u0e2b\u0e25\u0e32\u0e22\u0e46 \u0e0a\u0e19\u0e34\u0e14\u0e43\u0e19\u0e01\u0e32\u0e23\u0e2b\u0e32 pH \u0e02\u0e2d\u0e07\u0e2a\u0e32\u0e23\u0e25\u0e30\u0e25\u0e32\u0e22\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07 \u0e17\u0e33\u0e42\u0e14\u0e22\u0e01\u0e32\u0e23\u0e41\u0e1a\u0e48\u0e07\u0e2a\u0e32\u0e23\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e2d\u0e2d\u0e01\u0e40\u0e1b\u0e47\u0e19\u0e2a\u0e48\u0e27\u0e19\u0e46 \u0e41\u0e15\u0e48\u0e25\u0e30\u0e2a\u0e48\u0e27\u0e19\u0e43\u0e2b\u0e49\u0e40\u0e15\u0e34\u0e21\u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c\u0e2b\u0e19\u0e36\u0e48\u0e07\u0e0a\u0e19\u0e34\u0e14\u0e25\u0e07\u0e44\u0e1b \u0e14\u0e31\u0e07\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e43\u0e19\u0e15\u0e32\u0e23\u0e32\u0e07\u0e17\u0e35\u0e48 11.2<\/p>\n<p><strong>\u0e15\u0e32\u0e23\u0e32\u0e07\u0e17\u0e35\u0e48 <\/strong><strong>11.2<\/strong> \u0e2a\u0e35\u0e02\u0e2d\u0e07\u0e2a\u0e32\u0e23\u0e25\u0e30\u0e25\u0e32\u0e22\u0e17\u0e35\u0e48\u0e1b\u0e23\u0e32\u0e01\u0e0f\u0e40\u0e21\u0e37\u0e48\u0e2d\u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c\u0e0a\u0e19\u0e34\u0e14\u0e15\u0e48\u0e32\u0e07\u0e46<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"196\"><strong>\u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c<\/strong><\/td>\n<td width=\"112\"><strong>\u0e0a\u0e48\u0e27\u0e07 <\/strong><strong>pH<\/strong><\/td>\n<td width=\"140\"><strong>\u0e0a\u0e48\u0e27\u0e07\u0e01\u0e32\u0e23\u0e40\u0e1b\u0e25\u0e35\u0e48\u0e22\u0e19\u0e2a\u0e35<\/strong><\/td>\n<td width=\"138\"><strong>\u0e2a\u0e35\u0e02\u0e2d\u0e07\u0e2a\u0e32\u0e23\u0e25\u0e30\u0e25\u0e32\u0e22<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"196\">Phenol red<\/td>\n<td width=\"112\">6.4-7.6<\/td>\n<td width=\"140\">\u0e40\u0e2b\u0e25\u0e37\u0e2d\u0e07-\u0e41\u0e14\u0e07<\/td>\n<td width=\"138\">\u0e40\u0e2b\u0e25\u0e37\u0e2d\u0e07<\/td>\n<\/tr>\n<tr>\n<td width=\"196\">Methyl red<\/td>\n<td width=\"112\">4.2-6.2<\/td>\n<td width=\"140\">\u0e41\u0e14\u0e07-\u0e40\u0e2b\u0e25\u0e37\u0e2d\u0e07<\/td>\n<td width=\"138\">\u0e2a\u0e49\u0e21<\/td>\n<\/tr>\n<tr>\n<td width=\"196\">Bromothymol blue<\/td>\n<td width=\"112\">6.0-7.6<\/td>\n<td width=\"140\">\u0e40\u0e2b\u0e25\u0e37\u0e2d\u0e07-\u0e19\u0e49\u0e33\u0e40\u0e07\u0e34\u0e19<\/td>\n<td width=\"138\">\u0e40\u0e02\u0e35\u0e22\u0e27<\/td>\n<\/tr>\n<tr>\n<td width=\"196\">Cresol purple<\/td>\n<td width=\"112\">7.4-9.0<\/td>\n<td width=\"140\">\u0e40\u0e2b\u0e25\u0e37\u0e2d\u0e07-\u0e21\u0e48\u0e27\u0e07<\/td>\n<td width=\"138\">\u0e40\u0e2b\u0e25\u0e37\u0e2d\u0e07<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0e08\u0e32\u0e01\u0e02\u0e49\u0e2d\u0e21\u0e39\u0e25\u0e43\u0e19\u0e15\u0e32\u0e23\u0e32\u0e07\u0e17\u0e35\u0e48 11.2 \u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e19\u0e33\u0e21\u0e32\u0e1e\u0e34\u0e08\u0e32\u0e23\u0e13\u0e32\u0e2b\u0e32\u0e0a\u0e48\u0e27\u0e07 pH \u0e02\u0e2d\u0e07\u0e2a\u0e32\u0e23\u0e25\u0e30\u0e25\u0e32\u0e22\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e44\u0e14\u0e49\u0e42\u0e14\u0e22\u0e40\u0e02\u0e35\u0e22\u0e19\u0e0a\u0e48\u0e27\u0e07 pH \u0e17\u0e35\u0e48\u0e41\u0e2a\u0e14\u0e07\u0e02\u0e2d\u0e07\u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c \u0e14\u0e31\u0e07\u0e41\u0e1c\u0e19\u0e20\u0e32\u0e1e\u0e15\u0e48\u0e2d\u0e44\u0e1b\u0e19\u0e35\u0e49<a href=\"https:\/\/sci.rmutp.ac.th\/woravith\/wp-content\/uploads\/2021\/04\/L11.png\"><img fetchpriority=\"high\" fetchpriority=\"high\" decoding=\"async\" class=\" wp-image-8220 aligncenter\" src=\"https:\/\/sci.rmutp.ac.th\/woravith\/wp-content\/uploads\/2021\/04\/L11.png\" alt=\"\" width=\"585\" height=\"146\" srcset=\"https:\/\/sci.rmutp.ac.th\/woravith\/wp-content\/uploads\/2021\/04\/L11.png 976w, https:\/\/sci.rmutp.ac.th\/woravith\/wp-content\/uploads\/2021\/04\/L11-300x75.png 300w, https:\/\/sci.rmutp.ac.th\/woravith\/wp-content\/uploads\/2021\/04\/L11-768x192.png 768w\" sizes=\"(max-width: 585px) 100vw, 585px\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><strong>\u0e20\u0e32\u0e1e\u0e17\u0e35\u0e48 <\/strong><strong>11 .1<\/strong> \u0e0a\u0e48\u0e27\u0e07 pH \u0e02\u0e2d\u0e07\u0e2a\u0e32\u0e23\u0e25\u0e30\u0e25\u0e32\u0e22\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07<\/p>\n<p>\u0e0a\u0e48\u0e27\u0e07 pH \u0e19\u0e35\u0e49\u0e2a\u0e35\u0e17\u0e35\u0e48\u0e1b\u0e23\u0e32\u0e01\u0e0f\u0e40\u0e1b\u0e47\u0e19\u0e08\u0e23\u0e34\u0e07\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e17\u0e38\u0e01\u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c \u0e08\u0e30\u0e40\u0e2b\u0e47\u0e19\u0e27\u0e48\u0e32\u0e21\u0e35\u0e0a\u0e48\u0e27\u0e07 pH \u0e17\u0e35\u0e48\u0e0b\u0e49\u0e2d\u0e19\u0e17\u0e31\u0e1a\u0e01\u0e31\u0e19\u0e02\u0e2d\u0e07\u0e17\u0e38\u0e01\u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c \u0e2a\u0e23\u0e38\u0e1b\u0e44\u0e14\u0e49\u0e27\u0e48\u0e32\u0e0a\u0e48\u0e27\u0e07 pH \u0e02\u0e2d\u0e07\u0e2a\u0e32\u0e23\u0e25\u0e30\u0e25\u0e32\u0e22\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e21\u0e35\u0e04\u0e48\u0e32\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07 6.0-6.2<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><div id=\"pg-gb930-6a4623ce64e99-3\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-gb930-6a4623ce64e99-3-0\"  class=\"panel-grid-cell\" ><div id=\"panel-gb930-6a4623ce64e99-3-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"7\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t><h3 class=\"widget-title\">\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e41\u0e25\u0e30\u0e2a\u0e32\u0e23\u0e40\u0e04\u0e21\u0e35<\/h3>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<\/div>\n<\/div><\/div><\/div><div id=\"pgc-gb930-6a4623ce64e99-3-1\"  class=\"panel-grid-cell\" ><div id=\"panel-gb930-6a4623ce64e99-3-1-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"8\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p><strong>\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c<\/strong><\/p>\n<ol>\n<li>\u0e2b\u0e25\u0e2d\u0e14\u0e17\u0e14\u0e25\u0e2d\u0e07<\/li>\n<li>\u0e2b\u0e25\u0e2d\u0e14\u0e2b\u0e22\u0e14<\/li>\n<li>\u0e01\u0e23\u0e30\u0e14\u0e32\u0e29\u0e27\u0e31\u0e14 pH<\/li>\n<li>\u0e01\u0e23\u0e30\u0e14\u0e32\u0e29\u0e25\u0e34\u0e15\u0e21\u0e31\u0e2a<\/li>\n<\/ol>\n<p><strong>\u0e2a\u0e32\u0e23\u0e40\u0e04\u0e21\u0e35<\/strong><\/p>\n<ol>\n<li>\u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c (\u0e2b\u0e49\u0e2d\u0e07\u0e1b\u0e0f\u0e34\u0e1a\u0e31\u0e15\u0e34\u0e01\u0e32\u0e23\u0e40\u0e15\u0e23\u0e35\u0e22\u0e21)<\/li>\n<\/ol>\n<\/div>\n<\/div><\/div><\/div><\/div><div id=\"pg-gb930-6a4623ce64e99-4\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-gb930-6a4623ce64e99-4-0\"  class=\"panel-grid-cell\" ><div id=\"panel-gb930-6a4623ce64e99-4-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"9\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t><h3 class=\"widget-title\">\u0e27\u0e34\u0e18\u0e35\u0e01\u0e32\u0e23\u0e17\u0e14\u0e25\u0e2d\u0e07<\/h3>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<\/div>\n<\/div><\/div><\/div><div id=\"pgc-gb930-6a4623ce64e99-4-1\"  class=\"panel-grid-cell\" ><div id=\"panel-gb930-6a4623ce64e99-4-1-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"10\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p><strong>\u0e15\u0e2d\u0e19\u0e17\u0e35\u0e48 <\/strong><strong>1<\/strong> \u0e01\u0e32\u0e23\u0e2b\u0e32 pH \u0e02\u0e2d\u0e07\u0e2a\u0e32\u0e23\u0e25\u0e30\u0e25\u0e32\u0e22\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e42\u0e14\u0e22\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c<\/p>\n<ol>\n<li>\u0e23\u0e31\u0e1a\u0e2a\u0e32\u0e23\u0e25\u0e30\u0e25\u0e32\u0e22\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07 \u0e08\u0e14\u0e2b\u0e21\u0e32\u0e22\u0e40\u0e25\u0e02\u0e41\u0e25\u0e30\u0e23\u0e32\u0e22\u0e25\u0e30\u0e40\u0e2d\u0e35\u0e22\u0e14 \u0e17\u0e14\u0e2a\u0e2d\u0e1a\u0e14\u0e49\u0e27\u0e22\u0e01\u0e23\u0e30\u0e14\u0e32\u0e29\u0e25\u0e34\u0e15\u0e21\u0e31\u0e2a<\/li>\n<li>\u0e41\u0e1a\u0e48\u0e07\u0e43\u0e2a\u0e48\u0e2b\u0e25\u0e2d\u0e14\u0e17\u0e14\u0e25\u0e2d\u0e07 4 \u0e2b\u0e25\u0e2d\u0e14 \u0e46 \u0e25\u0e30\u0e1b\u0e23\u0e30\u0e21\u0e32\u0e13 2 mL (40 \u0e2b\u0e22\u0e14) \u0e2b\u0e22\u0e14\u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c 3 \u0e2b\u0e22\u0e14 \u0e25\u0e07\u0e44\u0e1b\u0e14\u0e31\u0e07\u0e19\u0e35\u0e49<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<table style=\"height: 145px;\" width=\"545\">\n<tbody>\n<tr>\n<td width=\"270\"><strong>\u0e2a\u0e32\u0e23\u0e25\u0e30\u0e25\u0e32\u0e22\u0e40\u0e1b\u0e47\u0e19\u0e01\u0e23\u0e14<\/strong><\/td>\n<td width=\"270\"><strong>\u0e2a\u0e32\u0e23\u0e25\u0e30\u0e25\u0e32\u0e22\u0e40\u0e1b\u0e47\u0e19\u0e40\u0e1a\u0e2a<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"270\">\u0e2b\u0e25\u0e2d\u0e14\u0e17\u0e35\u0e48 1 \u0e2b\u0e22\u0e14 thymol blue<\/td>\n<td width=\"270\">\u0e2b\u0e25\u0e2d\u0e14\u0e17\u0e35\u0e48 1 \u0e2b\u0e22\u0e14 bromothymol blue<\/td>\n<\/tr>\n<tr>\n<td width=\"270\">\u0e2b\u0e25\u0e2d\u0e14\u0e17\u0e35\u0e48 2 \u0e2b\u0e22\u0e14 methyl orange<\/td>\n<td width=\"270\">\u0e2b\u0e25\u0e2d\u0e14\u0e17\u0e35\u0e48 2 \u0e2b\u0e22\u0e14 cresol purple<\/td>\n<\/tr>\n<tr>\n<td width=\"270\">\u0e2b\u0e25\u0e2d\u0e14\u0e17\u0e35\u0e48 3 \u0e2b\u0e22\u0e14 methyl red<\/td>\n<td width=\"270\">\u0e2b\u0e25\u0e2d\u0e14\u0e17\u0e35\u0e48 3 \u0e2b\u0e22\u0e14 phenolphthalein<\/td>\n<\/tr>\n<tr>\n<td width=\"270\">\u0e2b\u0e25\u0e2d\u0e14\u0e17\u0e35\u0e48 4 \u0e2b\u0e22\u0e14 bromothymol blue<\/td>\n<td width=\"270\">\u0e2b\u0e25\u0e2d\u0e14\u0e17\u0e35\u0e48 4 \u0e2b\u0e22\u0e14 alizarine yellow<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ol start=\"3\">\n<li>\u0e40\u0e02\u0e22\u0e48\u0e32\u0e2b\u0e25\u0e2d\u0e14\u0e17\u0e14\u0e25\u0e2d\u0e07\u0e40\u0e1a\u0e32 \u0e46 \u0e1a\u0e31\u0e19\u0e17\u0e36\u0e01\u0e2a\u0e35\u0e17\u0e35\u0e48\u0e1b\u0e23\u0e32\u0e01\u0e0f\u0e43\u0e19\u0e41\u0e15\u0e48\u0e25\u0e30\u0e2b\u0e25\u0e2d\u0e14<\/li>\n<li>\u0e40\u0e1b\u0e23\u0e35\u0e22\u0e1a\u0e40\u0e17\u0e35\u0e22\u0e1a\u0e42\u0e14\u0e22\u0e19\u0e33\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07 \u0e27\u0e31\u0e14\u0e04\u0e48\u0e32 pH \u0e42\u0e14\u0e22\u0e43\u0e0a\u0e49\u0e01\u0e23\u0e30\u0e14\u0e32\u0e29\u0e27\u0e31\u0e14 pH<\/li>\n<\/ol>\n<\/div>\n<\/div><\/div><\/div><\/div><div id=\"pg-gb930-6a4623ce64e99-5\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-gb930-6a4623ce64e99-5-0\"  class=\"panel-grid-cell\" ><div id=\"panel-gb930-6a4623ce64e99-5-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"11\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p><a href=\"#top\">^Go to Top^<\/a><\/p>\n<\/div>\n<\/div><\/div><\/div><div id=\"pgc-gb930-6a4623ce64e99-5-1\"  class=\"panel-grid-cell\" ><div id=\"panel-gb930-6a4623ce64e99-5-1-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"12\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>\u0e1c\u0e39\u0e49\u0e0a\u0e48\u0e27\u0e22\u0e28\u0e32\u0e2a\u0e15\u0e23\u0e32\u0e08\u0e32\u0e23\u0e22\u0e4c \u0e14\u0e23.\u0e27\u0e23\u0e27\u0e34\u0e17\u0e22\u0e4c \u0e08\u0e31\u0e19\u0e17\u0e23\u0e4c\u0e2a\u0e38\u0e27\u0e23\u0e23\u0e13 \u0e1b\u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e38\u0e07\u0e25\u0e48\u0e32\u0e2a\u0e38\u0e14: 23 \u0e1e\u0e24\u0e29\u0e20\u0e32\u0e04\u0e21 2563 \u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e1d\u0e36\u0e01\u0e17\u0e31\u0e01\u0e29\u0e30\u0e01\u0e32\u0e23\u0e2b\u0e32\u0e04\u0e48\u0e32 pH \u0e02\u0e2d\u0e07\u0e2a\u0e32\u0e23\u0e25\u0e30\u0e25\u0e32\u0e22\u0e42\u0e14\u0e22\u0e43\u0e0a\u0e49\u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c \u0e1a\u0e17\u0e1b\u0e0f\u0e34\u0e1a\u0e31\u0e15\u0e34\u0e01\u0e32\u0e23 [pdf] \u0e23\u0e32\u0e22\u0e07\u0e32\u0e19\u0e01\u0e32\u0e23\u0e17\u0e14\u0e25\u0e2d\u0e07 [pdf]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"templates\/template-full.php","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-930","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u0e01\u0e32\u0e23\u0e17\u0e14\u0e25\u0e2d\u0e07\u0e17\u0e35\u0e48 11 \u0e01\u0e23\u0e14-\u0e40\u0e1a\u0e2a \u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sci.rmutp.ac.th\/woravith\/?page_id=930\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0e01\u0e32\u0e23\u0e17\u0e14\u0e25\u0e2d\u0e07\u0e17\u0e35\u0e48 11 \u0e01\u0e23\u0e14-\u0e40\u0e1a\u0e2a \u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c -\" \/>\n<meta property=\"og:description\" content=\"\u0e1c\u0e39\u0e49\u0e0a\u0e48\u0e27\u0e22\u0e28\u0e32\u0e2a\u0e15\u0e23\u0e32\u0e08\u0e32\u0e23\u0e22\u0e4c \u0e14\u0e23.\u0e27\u0e23\u0e27\u0e34\u0e17\u0e22\u0e4c \u0e08\u0e31\u0e19\u0e17\u0e23\u0e4c\u0e2a\u0e38\u0e27\u0e23\u0e23\u0e13 \u0e1b\u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e38\u0e07\u0e25\u0e48\u0e32\u0e2a\u0e38\u0e14: 23 \u0e1e\u0e24\u0e29\u0e20\u0e32\u0e04\u0e21 2563 \u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e1d\u0e36\u0e01\u0e17\u0e31\u0e01\u0e29\u0e30\u0e01\u0e32\u0e23\u0e2b\u0e32\u0e04\u0e48\u0e32 pH \u0e02\u0e2d\u0e07\u0e2a\u0e32\u0e23\u0e25\u0e30\u0e25\u0e32\u0e22\u0e42\u0e14\u0e22\u0e43\u0e0a\u0e49\u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c \u0e1a\u0e17\u0e1b\u0e0f\u0e34\u0e1a\u0e31\u0e15\u0e34\u0e01\u0e32\u0e23 [pdf] \u0e23\u0e32\u0e22\u0e07\u0e32\u0e19\u0e01\u0e32\u0e23\u0e17\u0e14\u0e25\u0e2d\u0e07 [pdf]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sci.rmutp.ac.th\/woravith\/?page_id=930\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/woravith\" \/>\n<meta property=\"article:modified_time\" content=\"2021-05-08T14:53:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/sci.rmutp.ac.th\/woravith\/wp-content\/uploads\/2021\/04\/L11.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@woravith\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/sci.rmutp.ac.th\\\/woravith\\\/?page_id=930\",\"url\":\"https:\\\/\\\/sci.rmutp.ac.th\\\/woravith\\\/?page_id=930\",\"name\":\"\u0e01\u0e32\u0e23\u0e17\u0e14\u0e25\u0e2d\u0e07\u0e17\u0e35\u0e48 11 \u0e01\u0e23\u0e14-\u0e40\u0e1a\u0e2a \u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c -\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/sci.rmutp.ac.th\\\/woravith\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/sci.rmutp.ac.th\\\/woravith\\\/?page_id=930#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/sci.rmutp.ac.th\\\/woravith\\\/?page_id=930#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/sci.rmutp.ac.th\\\/woravith\\\/wp-content\\\/uploads\\\/2021\\\/04\\\/L11.png\",\"datePublished\":\"2018-05-13T02:45:27+00:00\",\"dateModified\":\"2021-05-08T14:53:15+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/sci.rmutp.ac.th\\\/woravith\\\/?page_id=930#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/sci.rmutp.ac.th\\\/woravith\\\/?page_id=930\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/sci.rmutp.ac.th\\\/woravith\\\/?page_id=930#primaryimage\",\"url\":\"https:\\\/\\\/sci.rmutp.ac.th\\\/woravith\\\/wp-content\\\/uploads\\\/2021\\\/04\\\/L11.png\",\"contentUrl\":\"https:\\\/\\\/sci.rmutp.ac.th\\\/woravith\\\/wp-content\\\/uploads\\\/2021\\\/04\\\/L11.png\",\"width\":976,\"height\":244},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/sci.rmutp.ac.th\\\/woravith\\\/?page_id=930#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/sci.rmutp.ac.th\\\/woravith\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u0e01\u0e32\u0e23\u0e17\u0e14\u0e25\u0e2d\u0e07\u0e17\u0e35\u0e48 11 \u0e01\u0e23\u0e14-\u0e40\u0e1a\u0e2a \u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/sci.rmutp.ac.th\\\/woravith\\\/#website\",\"url\":\"https:\\\/\\\/sci.rmutp.ac.th\\\/woravith\\\/\",\"name\":\"\",\"description\":\"by Dr.Woravith Chansuvarn\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/sci.rmutp.ac.th\\\/woravith\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u0e01\u0e32\u0e23\u0e17\u0e14\u0e25\u0e2d\u0e07\u0e17\u0e35\u0e48 11 \u0e01\u0e23\u0e14-\u0e40\u0e1a\u0e2a \u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c -","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/sci.rmutp.ac.th\/woravith\/?page_id=930","og_locale":"en_US","og_type":"article","og_title":"\u0e01\u0e32\u0e23\u0e17\u0e14\u0e25\u0e2d\u0e07\u0e17\u0e35\u0e48 11 \u0e01\u0e23\u0e14-\u0e40\u0e1a\u0e2a \u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c -","og_description":"\u0e1c\u0e39\u0e49\u0e0a\u0e48\u0e27\u0e22\u0e28\u0e32\u0e2a\u0e15\u0e23\u0e32\u0e08\u0e32\u0e23\u0e22\u0e4c \u0e14\u0e23.\u0e27\u0e23\u0e27\u0e34\u0e17\u0e22\u0e4c \u0e08\u0e31\u0e19\u0e17\u0e23\u0e4c\u0e2a\u0e38\u0e27\u0e23\u0e23\u0e13 \u0e1b\u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e38\u0e07\u0e25\u0e48\u0e32\u0e2a\u0e38\u0e14: 23 \u0e1e\u0e24\u0e29\u0e20\u0e32\u0e04\u0e21 2563 \u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e1d\u0e36\u0e01\u0e17\u0e31\u0e01\u0e29\u0e30\u0e01\u0e32\u0e23\u0e2b\u0e32\u0e04\u0e48\u0e32 pH \u0e02\u0e2d\u0e07\u0e2a\u0e32\u0e23\u0e25\u0e30\u0e25\u0e32\u0e22\u0e42\u0e14\u0e22\u0e43\u0e0a\u0e49\u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c \u0e1a\u0e17\u0e1b\u0e0f\u0e34\u0e1a\u0e31\u0e15\u0e34\u0e01\u0e32\u0e23 [pdf] \u0e23\u0e32\u0e22\u0e07\u0e32\u0e19\u0e01\u0e32\u0e23\u0e17\u0e14\u0e25\u0e2d\u0e07 [pdf]","og_url":"https:\/\/sci.rmutp.ac.th\/woravith\/?page_id=930","article_publisher":"https:\/\/www.facebook.com\/woravith","article_modified_time":"2021-05-08T14:53:15+00:00","og_image":[{"url":"https:\/\/sci.rmutp.ac.th\/woravith\/wp-content\/uploads\/2021\/04\/L11.png","type":"","width":"","height":""}],"twitter_card":"summary_large_image","twitter_site":"@woravith","twitter_misc":{"Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/sci.rmutp.ac.th\/woravith\/?page_id=930","url":"https:\/\/sci.rmutp.ac.th\/woravith\/?page_id=930","name":"\u0e01\u0e32\u0e23\u0e17\u0e14\u0e25\u0e2d\u0e07\u0e17\u0e35\u0e48 11 \u0e01\u0e23\u0e14-\u0e40\u0e1a\u0e2a \u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c -","isPartOf":{"@id":"https:\/\/sci.rmutp.ac.th\/woravith\/#website"},"primaryImageOfPage":{"@id":"https:\/\/sci.rmutp.ac.th\/woravith\/?page_id=930#primaryimage"},"image":{"@id":"https:\/\/sci.rmutp.ac.th\/woravith\/?page_id=930#primaryimage"},"thumbnailUrl":"https:\/\/sci.rmutp.ac.th\/woravith\/wp-content\/uploads\/2021\/04\/L11.png","datePublished":"2018-05-13T02:45:27+00:00","dateModified":"2021-05-08T14:53:15+00:00","breadcrumb":{"@id":"https:\/\/sci.rmutp.ac.th\/woravith\/?page_id=930#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/sci.rmutp.ac.th\/woravith\/?page_id=930"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/sci.rmutp.ac.th\/woravith\/?page_id=930#primaryimage","url":"https:\/\/sci.rmutp.ac.th\/woravith\/wp-content\/uploads\/2021\/04\/L11.png","contentUrl":"https:\/\/sci.rmutp.ac.th\/woravith\/wp-content\/uploads\/2021\/04\/L11.png","width":976,"height":244},{"@type":"BreadcrumbList","@id":"https:\/\/sci.rmutp.ac.th\/woravith\/?page_id=930#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/sci.rmutp.ac.th\/woravith\/"},{"@type":"ListItem","position":2,"name":"\u0e01\u0e32\u0e23\u0e17\u0e14\u0e25\u0e2d\u0e07\u0e17\u0e35\u0e48 11 \u0e01\u0e23\u0e14-\u0e40\u0e1a\u0e2a \u0e2d\u0e34\u0e19\u0e14\u0e34\u0e40\u0e04\u0e40\u0e15\u0e2d\u0e23\u0e4c"}]},{"@type":"WebSite","@id":"https:\/\/sci.rmutp.ac.th\/woravith\/#website","url":"https:\/\/sci.rmutp.ac.th\/woravith\/","name":"","description":"by Dr.Woravith Chansuvarn","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/sci.rmutp.ac.th\/woravith\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/sci.rmutp.ac.th\/woravith\/index.php?rest_route=\/wp\/v2\/pages\/930","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sci.rmutp.ac.th\/woravith\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sci.rmutp.ac.th\/woravith\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sci.rmutp.ac.th\/woravith\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sci.rmutp.ac.th\/woravith\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=930"}],"version-history":[{"count":0,"href":"https:\/\/sci.rmutp.ac.th\/woravith\/index.php?rest_route=\/wp\/v2\/pages\/930\/revisions"}],"wp:attachment":[{"href":"https:\/\/sci.rmutp.ac.th\/woravith\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=930"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}