{"id":30781,"date":"2026-05-17T12:09:45","date_gmt":"2026-05-17T04:09:45","guid":{"rendered":"https:\/\/chimaytech.net\/fluorescence-vs-polarography-dissolved-oxygen-sens\/"},"modified":"2026-05-17T12:09:45","modified_gmt":"2026-05-17T04:09:45","slug":"fluorescence-vs-polarography-dissolved-oxygen-sens","status":"publish","type":"post","link":"https:\/\/chimaytech.net\/th\/fluorescence-vs-polarography-dissolved-oxygen-sens\/","title":{"rendered":"Fluorescence vs. Polarography: Dissolved Oxygen Sensor Technology Comparison for Industrial Applications"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_50 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/chimaytech.net\/th\/fluorescence-vs-polarography-dissolved-oxygen-sens\/#Key_Takeaways\" title=\"Key Takeaways\">Key Takeaways<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/chimaytech.net\/th\/fluorescence-vs-polarography-dissolved-oxygen-sens\/#Introduction\" title=\"Introduction\">Introduction<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/chimaytech.net\/th\/fluorescence-vs-polarography-dissolved-oxygen-sens\/#Polarographic_Measurement_Technology\" title=\"Polarographic Measurement Technology\">Polarographic Measurement Technology<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/chimaytech.net\/th\/fluorescence-vs-polarography-dissolved-oxygen-sens\/#Electrochemical_Measurement_Principles\" title=\"Electrochemical Measurement Principles\">Electrochemical Measurement Principles<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/chimaytech.net\/th\/fluorescence-vs-polarography-dissolved-oxygen-sens\/#Advantages_of_Polarographic_Technology\" title=\"Advantages of Polarographic Technology\">Advantages of Polarographic Technology<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/chimaytech.net\/th\/fluorescence-vs-polarography-dissolved-oxygen-sens\/#Limitations_and_Maintenance_Requirements\" title=\"Limitations and Maintenance Requirements\">Limitations and Maintenance Requirements<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/chimaytech.net\/th\/fluorescence-vs-polarography-dissolved-oxygen-sens\/#Fluorescence_Optical_Technology\" title=\"Fluorescence Optical Technology\">Fluorescence Optical Technology<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/chimaytech.net\/th\/fluorescence-vs-polarography-dissolved-oxygen-sens\/#Optical_Measurement_Principles\" title=\"Optical Measurement Principles\">Optical Measurement Principles<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/chimaytech.net\/th\/fluorescence-vs-polarography-dissolved-oxygen-sens\/#Advantages_of_Fluorescence_Technology\" title=\"Advantages of Fluorescence Technology\">Advantages of Fluorescence Technology<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/chimaytech.net\/th\/fluorescence-vs-polarography-dissolved-oxygen-sens\/#Limitations_and_Considerations\" title=\"Limitations and Considerations\">Limitations and Considerations<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/chimaytech.net\/th\/fluorescence-vs-polarography-dissolved-oxygen-sens\/#Application-Specific_Technology_Selection\" title=\"Application-Specific Technology Selection\">Application-Specific Technology Selection<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/chimaytech.net\/th\/fluorescence-vs-polarography-dissolved-oxygen-sens\/#Wastewater_Treatment_Aeration_Control\" title=\"Wastewater Treatment Aeration Control\">Wastewater Treatment Aeration Control<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/chimaytech.net\/th\/fluorescence-vs-polarography-dissolved-oxygen-sens\/#Aquaculture_and_Environmental_Monitoring\" title=\"Aquaculture and Environmental Monitoring\">Aquaculture and Environmental Monitoring<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/chimaytech.net\/th\/fluorescence-vs-polarography-dissolved-oxygen-sens\/#Semiconductor_and_Pharmaceutical_Water_Systems\" title=\"Semiconductor and Pharmaceutical Water Systems\">Semiconductor and Pharmaceutical Water Systems<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/chimaytech.net\/th\/fluorescence-vs-polarography-dissolved-oxygen-sens\/#Comparative_Analysis\" title=\"Comparative Analysis\">Comparative Analysis<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/chimaytech.net\/th\/fluorescence-vs-polarography-dissolved-oxygen-sens\/#Measurement_Performance\" title=\"Measurement Performance\">Measurement Performance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/chimaytech.net\/th\/fluorescence-vs-polarography-dissolved-oxygen-sens\/#Total_Cost_Comparison\" title=\"Total Cost Comparison\">Total Cost Comparison<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/chimaytech.net\/th\/fluorescence-vs-polarography-dissolved-oxygen-sens\/#Operational_Considerations\" title=\"Operational Considerations\">Operational Considerations<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/chimaytech.net\/th\/fluorescence-vs-polarography-dissolved-oxygen-sens\/#Conclusion\" title=\"Conclusion\">Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Key_Takeaways\"><\/span>Key Takeaways<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Optical <a href=\"\/tag\/dissolved-oxygen-sensors\" target=\"_blank\"><strong>dissolved oxygen sensors<\/strong><\/a> deliver <strong>99.5%<\/strong> measurement stability over 12-month calibration intervals<\/li>\n<li>Polarographic sensors require electrolyte replacement every <strong>3-6 months<\/strong> in typical applications<\/li>\n<li>Fluorescence technology eliminates oxygen consumption during measurement, preserving accuracy in low-DO applications<\/li>\n<li>The <a href=\"\/tag\/dissolved-oxygen-sensor\" target=\"_blank\"><strong>dissolved oxygen sensor<\/strong><\/a> market grows at <strong>7.2% CAGR<\/strong>, driven by industrial process optimization demand<\/li>\n<li>ChiMay&#39;s dissolved oxygen transmitters offer both measurement technologies to match application requirements<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Introduction\"><\/span>Introduction<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Dissolved oxygen measurement serves critical functions across water treatment, environmental monitoring, and industrial process control applications. From municipal wastewater treatment aeration basin control to semiconductor manufacturing UPW monitoring, accurate dissolved oxygen data enables process optimization, quality control, and regulatory compliance.<\/p>\n<p>Two primary measurement technologies dominate the dissolved oxygen sensor market: polarographic (also called amperometric) and optical fluorescence-based sensors. Each technology offers distinct advantages and limitations that influence suitability for specific applications. Understanding these differences enables informed sensor selection that optimizes measurement performance against cost and maintenance requirements.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Polarographic_Measurement_Technology\"><\/span>Polarographic Measurement Technology<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Electrochemical_Measurement_Principles\"><\/span>Electrochemical Measurement Principles<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Polarographic dissolved oxygen sensors employ electrochemical cells where oxygen molecules diffuse through a membrane and undergo reduction at a cathode surface. This electrochemical reaction generates a current proportional to oxygen concentration\u2014enabling quantitative measurement through current measurement.<\/p>\n<p>The sensor construction includes a noble metal cathode, a reference anode (typically silver\/silver chloride), and an electrolyte solution contained within a gas-permeable membrane. Oxygen diffusion through the membrane creates the measurement signal while the electrolyte maintains ionic conduction between electrodes.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Advantages_of_Polarographic_Technology\"><\/span>Advantages of Polarographic Technology<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Polarographic sensors offer proven technology with over <strong>50 years<\/strong> of industrial application history. The mature technology provides reliable measurement across a broad concentration range, from parts-per-billion levels in high-purity water to saturation levels in wastewater treatment.<\/p>\n<p>The measurement response is inherently temperature-compensated through the oxygen diffusion rate, though modern sensors incorporate additional temperature compensation for enhanced accuracy. The electrochemical signal generation provides excellent sensitivity at low concentrations\u2014critical for applications like aquaculture where dissolved oxygen levels directly affect organism survival.<\/p>\n<p>Polarographic sensors typically cost less than optical alternatives, making them attractive for applications where multiple measurement points strain budget constraints. The established technology base ensures broad availability of compatible instrumentation and replacement components.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Limitations_and_Maintenance_Requirements\"><\/span>Limitations and Maintenance Requirements<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Polarographic sensors consume oxygen during measurement\u2014a characteristic that creates measurement error in low-concentration applications where oxygen diffusion cannot maintain equilibrium. This consumption effect becomes significant below approximately <strong>0.5 mg\/L<\/strong> dissolved oxygen.<\/p>\n<p>The electrochemical reaction gradually depletes the electrolyte and consumes electrode materials, requiring regular maintenance to preserve measurement accuracy. The <strong>American Society for Testing and Materials (ASTM)<\/strong> recommends electrolyte replacement at intervals of <strong>3-6 months<\/strong> depending on measurement frequency and operating conditions.<\/p>\n<p>Membrane integrity critically affects polarographic sensor performance. Membrane damage or fouling impedes oxygen diffusion, creating measurement drift and response degradation. Regular membrane inspection and replacement maintains measurement reliability.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Fluorescence_Optical_Technology\"><\/span>Fluorescence Optical Technology<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Optical_Measurement_Principles\"><\/span>Optical Measurement Principles<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Fluorescence-based dissolved oxygen sensors employ luminescent indicators that emit light proportional to oxygen concentration. A blue LED excites a ruthenium-based fluorophore coating the sensor tip; the fluorophore returns to ground state by emitting red-orange fluorescence. Oxygen molecules quench this fluorescence through collisional energy transfer\u2014the more oxygen present, the less fluorescence emission.<\/p>\n<p>The measurement optics detect the fluorescence lifetime or intensity, converting this data to oxygen concentration through calibration algorithms. This optical approach fundamentally differs from polarographic technology, with distinct performance characteristics.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Advantages_of_Fluorescence_Technology\"><\/span>Advantages of Fluorescence Technology<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Fluorescence sensors do not consume oxygen during measurement\u2014a critical advantage in low-concentration applications where polarographic sensors experience significant error. The non-consumption characteristic enables accurate measurement down to <strong>parts-per-billion<\/strong> levels, appropriate for semiconductor and pharmaceutical water applications.<\/p>\n<p>The absence of electrochemical components eliminates electrolyte depletion and electrode consumption concerns. The <strong>International Society of Automation (ISA)<\/strong> documentation indicates that fluorescence sensors maintain calibration stability for <strong>12-24 months<\/strong> without intervention\u2014compared to the <strong>3-6 month<\/strong> maintenance intervals polarographic sensors require.<\/p>\n<p>Membrane fouling affects fluorescence sensors less severely than polarographic sensors. While heavy biological growth may attenuate excitation and emission light, the sensor remains functional during fouling episodes that would render polarographic sensors inoperative.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Limitations_and_Considerations\"><\/span>Limitations and Considerations<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Fluorescence sensors generally carry higher initial cost than polarographic alternatives\u2014a premium that ongoing maintenance savings may offset over sensor lifetime. The optical components require careful handling to avoid damage during installation and maintenance.<\/p>\n<p>Some fluorescence sensors exhibit sensitivity to flow rate variations at very low oxygen concentrations. The <strong>Water Research Foundation<\/strong> documented flow-dependent response in certain optical sensor designs, though modern sensors incorporate design features that minimize this effect.<\/p>\n<p>Light source degradation over extended operation requires monitoring to ensure continued measurement accuracy. Most fluorescence sensors incorporate reference channels that track light source output, enabling compensation for aging effects.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Application-Specific_Technology_Selection\"><\/span>Application-Specific Technology Selection<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Wastewater_Treatment_Aeration_Control\"><\/span>Wastewater Treatment Aeration Control<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Municipal and industrial wastewater treatment facilities commonly employ dissolved oxygen measurement to control aeration energy consumption. In these applications, dissolved oxygen levels typically range from <strong>0.5-4.0 mg\/L<\/strong>, well within both polarographic and fluorescence sensor capabilities.<\/p>\n<p>The high biological activity in wastewater creates demanding conditions for sensor maintenance. Polarographic sensors experience membrane fouling that requires frequent cleaning, while fluorescence sensors may accumulate biological deposits that attenuate optical signals.<\/p>\n<p>ChiMay&#39;s dissolved oxygen transmitters address wastewater challenges through sensor designs optimized for biological environments. The robust construction withstands harsh conditions while maintaining measurement accuracy essential for aeration optimization.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Aquaculture_and_Environmental_Monitoring\"><\/span>Aquaculture and Environmental Monitoring<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Fish and shellfish cultivation requires precise dissolved oxygen control to maintain organism health and growth rates. Dissolved oxygen levels below <strong>3.0 mg\/L<\/strong> stress most species, while levels below <strong>2.0 mg\/L<\/strong> cause mortality in sensitive species.<\/p>\n<p>Fluorescence sensors offer advantages in aquaculture applications through stable, low-maintenance operation in remote monitoring locations. The extended calibration intervals reduce field service requirements\u2014a significant benefit when sensors operate in ponds, raceways, or natural water bodies.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Semiconductor_and_Pharmaceutical_Water_Systems\"><\/span>Semiconductor and Pharmaceutical Water Systems<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>High-purity water applications demand dissolved oxygen measurement at parts-per-billion sensitivity. Polarographic sensors consume oxygen during measurement, creating systematic error that prevents accurate low-level determination.<\/p>\n<p>Fluorescence sensors eliminate this consumption error, enabling the low-level measurement precision these applications require. The non-consumption characteristic proves essential for semiconductor manufacturing where dissolved oxygen in UPW directly affects process yield.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Comparative_Analysis\"><\/span>Comparative Analysis<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Measurement_Performance\"><\/span>Measurement Performance<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Both technologies provide accurate measurement in their optimal application ranges. Polarographic sensors excel in moderate-concentration applications with frequent maintenance support. Fluorescence sensors provide superior performance in low-concentration measurements and applications requiring extended maintenance intervals.<\/p>\n<p>The <strong>Freedonia Group<\/strong> market analysis indicates that fluorescence sensors now capture <strong>45%<\/strong> of new industrial dissolved oxygen measurement installations\u2014reflecting the technology&#39;s maintenance and performance advantages.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Total_Cost_Comparison\"><\/span>Total Cost Comparison<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Lifecycle cost analysis must account for initial acquisition, calibration frequency, replacement parts, and labor for maintenance activities. The <strong>U.S. Department of Energy<\/strong> analysis framework indicates that fluorescence sensors achieve lower total cost over typical <strong>5-year<\/strong> deployment periods despite higher initial cost\u2014primarily through reduced maintenance labor.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Operational_Considerations\"><\/span>Operational Considerations<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Application conditions significantly influence technology suitability. Variables including expected oxygen range, maintenance accessibility, biological fouling potential, and budget constraints should guide technology selection.<\/p>\n<p>ChiMay offers dissolved oxygen transmitters in both polarographic and fluorescence configurations, enabling technology matching to specific application requirements. The product portfolio spans performance levels from general-purpose wastewater monitoring to precision semiconductor applications.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Dissolved oxygen sensor technology selection requires understanding both application requirements and technology capabilities. Neither polarographic nor fluorescence technology universally outperforms the other\u2014optimal selection depends on specific application conditions, maintenance capabilities, and lifecycle cost considerations.<\/p>\n<p>For applications prioritizing low-level accuracy, extended maintenance intervals, and minimal oxygen consumption, fluorescence technology offers compelling advantages. For applications with moderate oxygen requirements, frequent maintenance access, and budget constraints, polarographic sensors provide reliable performance at lower initial cost.<\/p>\n<p>ChiMay&#39;s dissolved oxygen transmitter product line encompasses both technologies, enabling appropriate technology matching across the full range of industrial and environmental applications.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Key Takeaways Optical <a href=\"\/tag\/dissolved-oxygen-sensors\" target=\"_blank\"><strong>dissolved oxygen sensors<\/strong><\/a> deliver 99.5% measurement stability over 12-month calibration intervals Polarographic sensors require electrolyte replacement every 3-6 months in typical applications Fluorescence technology eliminates oxygen consumption during measurement, preserving accuracy in low-DO applications The <a href=\"\/tag\/dissolved-oxygen-sensor\" target=\"_blank\"><strong>dissolved oxygen sensor<\/strong><\/a> market grows at 7.2% CAGR, driven by industrial process optimization demand ChiMay&#39;s dissolved oxygen&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"categories":[1],"tags":[87373,87374,203661],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"th","enabled_languages":["en","es","de","fr","ru","pt","ar","ja","ko","it","id","hi","th","vi","tr"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"es":{"title":false,"content":false,"excerpt":false},"de":{"title":false,"content":false,"excerpt":false},"fr":{"title":false,"content":false,"excerpt":false},"ru":{"title":false,"content":false,"excerpt":false},"pt":{"title":false,"content":false,"excerpt":false},"ar":{"title":false,"content":false,"excerpt":false},"ja":{"title":false,"content":false,"excerpt":false},"ko":{"title":false,"content":false,"excerpt":false},"it":{"title":false,"content":false,"excerpt":false},"id":{"title":false,"content":false,"excerpt":false},"hi":{"title":false,"content":false,"excerpt":false},"th":{"title":false,"content":false,"excerpt":false},"vi":{"title":false,"content":false,"excerpt":false},"tr":{"title":false,"content":false,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/chimaytech.net\/th\/wp-json\/wp\/v2\/posts\/30781"}],"collection":[{"href":"https:\/\/chimaytech.net\/th\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chimaytech.net\/th\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/th\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/th\/wp-json\/wp\/v2\/comments?post=30781"}],"version-history":[{"count":0,"href":"https:\/\/chimaytech.net\/th\/wp-json\/wp\/v2\/posts\/30781\/revisions"}],"wp:attachment":[{"href":"https:\/\/chimaytech.net\/th\/wp-json\/wp\/v2\/media?parent=30781"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chimaytech.net\/th\/wp-json\/wp\/v2\/categories?post=30781"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chimaytech.net\/th\/wp-json\/wp\/v2\/tags?post=30781"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}