{"id":30745,"date":"2026-05-13T12:10:59","date_gmt":"2026-05-13T04:10:59","guid":{"rendered":"https:\/\/chimaytech.net\/electrochemical-principles-of-residual-chlorine-se\/"},"modified":"2026-05-13T12:10:59","modified_gmt":"2026-05-13T04:10:59","slug":"electrochemical-principles-of-residual-chlorine-se","status":"publish","type":"post","link":"https:\/\/chimaytech.net\/ja\/electrochemical-principles-of-residual-chlorine-se\/","title":{"rendered":"Electrochemical Principles of Residual Chlorine Sensors for Drinking Water Protection"},"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\/ja\/electrochemical-principles-of-residual-chlorine-se\/#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\/ja\/electrochemical-principles-of-residual-chlorine-se\/#Fundamentals_of_Chlorine_Disinfection\" title=\"Fundamentals of Chlorine Disinfection\">Fundamentals of Chlorine Disinfection<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/chimaytech.net\/ja\/electrochemical-principles-of-residual-chlorine-se\/#Chemistry_of_Chlorine_in_Water\" title=\"Chemistry of Chlorine in Water\">Chemistry of Chlorine in Water<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/chimaytech.net\/ja\/electrochemical-principles-of-residual-chlorine-se\/#Disinfection_Effectiveness\" title=\"Disinfection Effectiveness\">Disinfection Effectiveness<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/chimaytech.net\/ja\/electrochemical-principles-of-residual-chlorine-se\/#Electrochemical_Detection_Technologies\" title=\"Electrochemical Detection Technologies\">Electrochemical Detection Technologies<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/chimaytech.net\/ja\/electrochemical-principles-of-residual-chlorine-se\/#Amperometric_Sensors\" title=\"Amperometric Sensors\">Amperometric Sensors<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/chimaytech.net\/ja\/electrochemical-principles-of-residual-chlorine-se\/#Membrane-Covered_Sensors\" title=\"Membrane-Covered Sensors\">Membrane-Covered Sensors<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/chimaytech.net\/ja\/electrochemical-principles-of-residual-chlorine-se\/#Free_vs_Total_Chlorine_Measurement\" title=\"Free vs. Total Chlorine Measurement\">Free vs. Total Chlorine Measurement<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/chimaytech.net\/ja\/electrochemical-principles-of-residual-chlorine-se\/#Performance_Specifications\" title=\"Performance Specifications\">Performance Specifications<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/chimaytech.net\/ja\/electrochemical-principles-of-residual-chlorine-se\/#Measurement_Characteristics\" title=\"Measurement Characteristics\">Measurement Characteristics<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/chimaytech.net\/ja\/electrochemical-principles-of-residual-chlorine-se\/#Interference_Factors\" title=\"Interference Factors\">Interference Factors<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/chimaytech.net\/ja\/electrochemical-principles-of-residual-chlorine-se\/#Calibration_and_Maintenance\" title=\"Calibration and Maintenance\">Calibration and Maintenance<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/chimaytech.net\/ja\/electrochemical-principles-of-residual-chlorine-se\/#Calibration_Procedures\" title=\"Calibration Procedures\">Calibration Procedures<\/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\/ja\/electrochemical-principles-of-residual-chlorine-se\/#Maintenance_Requirements\" title=\"Maintenance Requirements\">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-15\" href=\"https:\/\/chimaytech.net\/ja\/electrochemical-principles-of-residual-chlorine-se\/#Economic_Value_of_Online_Monitoring\" title=\"Economic Value of Online Monitoring\">Economic Value of Online Monitoring<\/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\/ja\/electrochemical-principles-of-residual-chlorine-se\/#Chemical_Optimization\" title=\"Chemical Optimization\">Chemical Optimization<\/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\/ja\/electrochemical-principles-of-residual-chlorine-se\/#Public_Health_Protection\" title=\"Public Health Protection\">Public Health Protection<\/a><\/li><\/ul><\/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>Residual chlorine monitoring ensures <strong>99.9%<\/strong> protection against waterborne pathogen transmission when maintained at recommended levels of <strong>0.2-0.5 mg\/L<\/strong> throughout distribution systems<\/li>\n<li>Electrochemical residual chlorine sensors achieve measurement precision of <strong>\u00b10.02 mg\/L<\/strong>, enabling precise disinfection control that reduces chemical costs by <strong>15-25%<\/strong><\/li>\n<li>Continuous online monitoring provides <strong>50-70%<\/strong> faster response to disinfection events compared to laboratory sampling programs, protecting public health during contamination incidents<\/li>\n<li>ChiMay&#39;s residual chlorine transmitters combine amperometric detection with advanced signal processing, delivering the reliability required for drinking water compliance monitoring<\/li>\n<\/ul>\n<p>Disinfection represents the most critical barrier preventing waterborne disease transmission in municipal drinking water systems. Residual chlorine maintains this protection throughout distribution networks, from treatment plant to consumer tap. Accurate online monitoring of residual chlorine ensures protection while optimizing chemical consumption and preventing overexposure that affects water taste and potentially forms disinfection byproducts.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Fundamentals_of_Chlorine_Disinfection\"><\/span>Fundamentals of Chlorine Disinfection<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Chemistry_of_Chlorine_in_Water\"><\/span>Chemistry of Chlorine in Water<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Chlorine Species Distribution<\/strong><\/p>\n<p>When chlorine is added to water, several reactions occur:<\/p>\n<p><strong>Primary Reaction<\/strong><\/p>\n<ul>\n<li>HOCl (hypochlorous acid) forms when chlorine dissolves in water<\/li>\n<li>HOCl dissociates to OCl\u207b (hypochlorite ion) at higher pH<\/li>\n<li>Distribution depends on pH and temperature<\/li>\n<\/ul>\n<p><strong>Equilibrium Distribution<\/strong><\/p>\n<table border=\"1\" cellpadding=\"5\" cellspacing=\"0\">\n<thead>\n<tr>\n<th>pH<\/th>\n<th>HOCl (%)<\/th>\n<th>OCl\u207b (%)<\/th>\n<th>Relative Disinfection Efficiency<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>6.0<\/td>\n<td>96%<\/td>\n<td>4%<\/td>\n<td>100%<\/td>\n<\/tr>\n<tr>\n<td>7.0<\/td>\n<td>75%<\/td>\n<td>25%<\/td>\n<td>78%<\/td>\n<\/tr>\n<tr>\n<td>7.5<\/td>\n<td>52%<\/td>\n<td>48%<\/td>\n<td>54%<\/td>\n<\/tr>\n<tr>\n<td>8.0<\/td>\n<td>23%<\/td>\n<td>77%<\/td>\n<td>24%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The <strong>World Health Organization<\/strong> notes that hypochlorous acid (HOCl) provides <strong>80-100 times<\/strong> more effective disinfection than hypochlorite ion (OCl\u207b), making pH management critical for disinfection efficiency.<\/p>\n<p><strong>Breakpoint Chlorination<\/strong><\/p>\n<p>Complete chlorine demand satisfaction requires dosing to breakpoint:<\/p>\n<ul>\n<li>Initial chlorine addition reacts with reducing compounds (iron, manganese, organic matter)<\/li>\n<li>Chloramine formation occurs after initial demand satisfied<\/li>\n<li>Free chlorine appears after breakpoint<\/li>\n<li>Total chlorine = free chlorine + combined chlorine (chloramines)<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Disinfection_Effectiveness\"><\/span>Disinfection Effectiveness<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>CT Concept<\/strong><\/p>\n<p>Disinfection dosage depends on concentration (C) and contact time (T):<\/p>\n<ul>\n<li>CT value = Concentration (mg\/L) \u00d7 Time (minutes)<\/li>\n<li>Required CT varies by pathogen and temperature<\/li>\n<li>Log inactivation targets determine required values<\/li>\n<\/ul>\n<p><strong>Pathogen Inactivation Requirements<\/strong><\/p>\n<table border=\"1\" cellpadding=\"5\" cellspacing=\"0\">\n<thead>\n<tr>\n<th>Pathogen<\/th>\n<th>Log Reduction<\/th>\n<th>CT Required (mg\u00b7min\/L) at pH 7, 20\u00b0C<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>E. coli<\/td>\n<td>4-log<\/td>\n<td>3.5<\/td>\n<\/tr>\n<tr>\n<td>Giardia<\/td>\n<td>3-log<\/td>\n<td>145<\/td>\n<\/tr>\n<tr>\n<td>Viruses<\/td>\n<td>4-log<\/td>\n<td>12<\/td>\n<\/tr>\n<tr>\n<td>Cryptosporidium<\/td>\n<td>3-log<\/td>\n<td>12,600<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The <strong>EPA Surface Water Treatment Rules<\/strong> mandate specific CT values for surface water sources, requiring continuous monitoring of both chlorine residual and flow rate for contact time calculation.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Electrochemical_Detection_Technologies\"><\/span>Electrochemical Detection Technologies<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Amperometric_Sensors\"><\/span>Amperometric Sensors<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Amperometric sensors measure chlorine through electrochemical reaction:<\/p>\n<p><strong>Two-Electrode System<\/strong><\/p>\n<ul>\n<li><strong>Working electrode<\/strong>: Platinum or gold surface<\/li>\n<li><strong>Reference electrode<\/strong>: Silver\/silver chloride (Ag\/AgCl) in KCl electrolyte<\/li>\n<li>Applied voltage drives chlorine reaction<\/li>\n<li>Current proportional to chlorine concentration<\/li>\n<\/ul>\n<p><strong>Reaction Chemistry<\/strong><\/p>\n<p>At the working electrode:<\/p>\n<ul>\n<li>HOCl + 2e\u207b \u2192 Cl\u207b + OH\u207b (reduction reaction)<\/li>\n<li>Current magnitude relates directly to HOCl concentration<\/li>\n<\/ul>\n<p>The <strong>American Water Works Association (AWWA)<\/strong> recognizes amperometric sensors as the standard technology for continuous free chlorine monitoring in drinking water applications.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Membrane-Covered_Sensors\"><\/span>Membrane-Covered Sensors<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Design Architecture<\/strong><\/p>\n<p>Membrane technology protects electrodes while allowing analyte diffusion:<\/p>\n<p><strong>Components<\/strong><\/p>\n<ul>\n<li>PTFE membrane: Permeable to HOCl, excludes interfering species<\/li>\n<li>Electrolyte layer: Potassium hydrogen phthalate solution<\/li>\n<li>Working electrode: Gold or platinum<\/li>\n<li>Counter electrode: Silver<\/li>\n<li>Reference electrode: Silver\/silver chloride<\/li>\n<\/ul>\n<p><strong>Advantages<\/strong><\/p>\n<ul>\n<li>Selective HOCl measurement excluding OCl\u207b<\/li>\n<li>Reduced interference from temperature, flow rate<\/li>\n<li>Extended calibration intervals (2-4 weeks)<\/li>\n<li>Suitable for low-chlorine applications (0.05-5 mg\/L)<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Free_vs_Total_Chlorine_Measurement\"><\/span>Free vs. Total Chlorine Measurement<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Free Chlorine Sensors<\/strong><\/p>\n<ul>\n<li>Measure only HOCl and OCl\u207b<\/li>\n<li>Response time: <strong>30-90 seconds<\/strong><\/li>\n<li>Maintenance: Weekly inspection, 2-4 week calibration<\/li>\n<li>Membrane life: 3-6 months depending on water quality<\/li>\n<\/ul>\n<p><strong>Total Chlorine Sensors<\/strong><\/p>\n<ul>\n<li>Measure free chlorine + chloramines<\/li>\n<li>Require additional chemistry (iodometric method)<\/li>\n<li>Response time: <strong>60-180 seconds<\/strong><\/li>\n<li>Higher maintenance requirements due to reagent addition<\/li>\n<\/ul>\n<table border=\"1\" cellpadding=\"5\" cellspacing=\"0\">\n<thead>\n<tr>\n<th>Parameter<\/th>\n<th>Free Chlorine<\/th>\n<th>Total Chlorine<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Measurement<\/td>\n<td>HOCl + OCl\u207b<\/td>\n<td>HOCl + OCl\u207b + chloramines<\/td>\n<\/tr>\n<tr>\n<td>Interference<\/td>\n<td>Low<\/td>\n<td>pH-sensitive<\/td>\n<\/tr>\n<tr>\n<td>Maintenance<\/td>\n<td>Moderate<\/td>\n<td>Higher (reagent replacement)<\/td>\n<\/tr>\n<tr>\n<td>Application<\/td>\n<td>Disinfection control<\/td>\n<td>Compliance reporting<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Performance_Specifications\"><\/span>Performance Specifications<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Measurement_Characteristics\"><\/span>Measurement Characteristics<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Detection Parameters<\/strong><\/p>\n<table border=\"1\" cellpadding=\"5\" cellspacing=\"0\">\n<thead>\n<tr>\n<th>Specification<\/th>\n<th>Free Chlorine<\/th>\n<th>Total Chlorine<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Range<\/td>\n<td>0.02-20 mg\/L<\/td>\n<td>0.02-10 mg\/L<\/td>\n<\/tr>\n<tr>\n<td>Resolution<\/td>\n<td>0.01 mg\/L<\/td>\n<td>0.01 mg\/L<\/td>\n<\/tr>\n<tr>\n<td>Accuracy<\/td>\n<td>\u00b10.02 mg\/L or \u00b15%<\/td>\n<td>\u00b10.05 mg\/L or \u00b110%<\/td>\n<\/tr>\n<tr>\n<td>Response time<\/td>\n<td>&lt; 60 seconds<\/td>\n<td>&lt; 120 seconds<\/td>\n<\/tr>\n<tr>\n<td>Drift<\/td>\n<td>&lt; 2% per week<\/td>\n<td>&lt; 3% per week<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"Interference_Factors\"><\/span>Interference Factors<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Water Quality Effects<\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Calibration_and_Maintenance\"><\/span>Calibration and Maintenance<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Calibration_Procedures\"><\/span>Calibration Procedures<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Standard Solution Method<\/strong><\/p>\n<ul>\n<li>Prepare free chlorine standard (0.5-2.0 mg\/L using sodium hypochlorite)<\/li>\n<li>Verify concentration with DPD colorimetric method (NIST-traceable)<\/li>\n<li>Install sensor in calibration cell with standard<\/li>\n<li>Allow stabilization (5-10 minutes)<\/li>\n<li>Adjust instrument to match standard value<\/li>\n<\/ul>\n<p><strong>Frequency Guidelines<\/strong><\/p>\n<table border=\"1\" cellpadding=\"5\" cellspacing=\"0\">\n<thead>\n<tr>\n<th>Application<\/th>\n<th>Calibration Interval<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Distribution system<\/td>\n<td>2-4 weeks<\/td>\n<\/tr>\n<tr>\n<td>Treatment plant<\/td>\n<td>1-2 weeks<\/td>\n<\/tr>\n<tr>\n<td>Critical compliance<\/td>\n<td>1 week<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"Maintenance_Requirements\"><\/span>Maintenance Requirements<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table border=\"1\" cellpadding=\"5\" cellspacing=\"0\">\n<thead>\n<tr>\n<th>Task<\/th>\n<th>Frequency<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Visual inspection<\/td>\n<td>Daily<\/td>\n<\/tr>\n<tr>\n<td>Membrane cleaning<\/td>\n<td>Weekly<\/td>\n<\/tr>\n<tr>\n<td>Electrolyte refill<\/td>\n<td>2-4 weeks<\/td>\n<\/tr>\n<tr>\n<td>Membrane replacement<\/td>\n<td>2-4 months<\/td>\n<\/tr>\n<tr>\n<td>Full sensor replacement<\/td>\n<td>12-24 months<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table border=\"1\" cellpadding=\"5\" cellspacing=\"0\">\n<thead>\n<tr>\n<th>Symptom<\/th>\n<th>Probable Cause<\/th>\n<th>Solution<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Low readings<\/td>\n<td>Fouled membrane<\/td>\n<td>Replace membrane<\/td>\n<\/tr>\n<tr>\n<td>High readings<\/td>\n<td>Air bubbles<\/td>\n<td>Remove bubbles<\/td>\n<\/tr>\n<tr>\n<td>Drifting readings<\/td>\n<td>Reference drift<\/td>\n<td>Replace reference<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Economic_Value_of_Online_Monitoring\"><\/span>Economic Value of Online Monitoring<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Chemical_Optimization\"><\/span>Chemical Optimization<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Without continuous monitoring, facilities typically overdose by <strong>20-40%<\/strong>, wasting sodium hypochlorite and increasing disinfection byproduct formation. Continuous monitoring enables precise dosing, achieving <strong>15-25%<\/strong> chemical savings while maintaining compliance.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Public_Health_Protection\"><\/span>Public Health Protection<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The <strong>Centers for Disease Control<\/strong> documents multiple contamination events where online chlorine monitoring provided early warning preventing widespread illness. Online detection time of <strong>5-30 minutes<\/strong> versus <strong>4-24 hours<\/strong> for laboratory sampling can prevent exposure of entire populations to waterborne pathogens.<\/p>\n<p>Electrochemical residual chlorine monitoring provides the essential data for maintaining safe drinking water while optimizing chemical consumption. Selection of appropriate sensor technology, installation in representative locations, and consistent calibration ensure reliable performance that protects public health.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Key Takeaways Residual chlorine monitoring ensures 99.9% protection against waterborne pathogen transmission when maintained at recommended levels of 0.2-0.5 mg\/L throughout distribution systems Electrochemical residual chlorine sensors achieve measurement precision of \u00b10.02 mg\/L, enabling precise disinfection control that reduces chemical costs by 15-25% Continuous online monitoring provides 50-70% faster response to disinfection events compared to&#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":[],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"ja","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\/ja\/wp-json\/wp\/v2\/posts\/30745"}],"collection":[{"href":"https:\/\/chimaytech.net\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chimaytech.net\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/ja\/wp-json\/wp\/v2\/comments?post=30745"}],"version-history":[{"count":0,"href":"https:\/\/chimaytech.net\/ja\/wp-json\/wp\/v2\/posts\/30745\/revisions"}],"wp:attachment":[{"href":"https:\/\/chimaytech.net\/ja\/wp-json\/wp\/v2\/media?parent=30745"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chimaytech.net\/ja\/wp-json\/wp\/v2\/categories?post=30745"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chimaytech.net\/ja\/wp-json\/wp\/v2\/tags?post=30745"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}