{"id":22165,"date":"2026-02-17T18:04:42","date_gmt":"2026-02-17T18:04:42","guid":{"rendered":"https:\/\/alpha-measure.com\/?page_id=22165"},"modified":"2026-02-26T10:13:57","modified_gmt":"2026-02-26T10:13:57","slug":"optical-brighteners-in-research-education","status":"publish","type":"page","link":"https:\/\/alpha-measure.com\/zh\/optical-brighteners-in-research-education\/","title":{"rendered":"Optical Brighteners in Research &#038; Education"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"22165\" class=\"elementor elementor-22165\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-09fc19d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"09fc19d\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d36a4a7\" data-id=\"d36a4a7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f93c124 inner-main-title ph-page-title elementor-widget elementor-widget-heading\" data-id=\"f93c124\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">AlpHa \u6d4b\u91cf\u89e3\u51b3\u65b9\u6848<br><span> Optical Brighteners in Research &amp; Education<\/span><\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9821cbe inn-head elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9821cbe\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8ca74cf\" data-id=\"8ca74cf\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-d3a6cb8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d3a6cb8\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-72df405\" data-id=\"72df405\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9f51007 mbl-d elementor-widget elementor-widget-heading\" data-id=\"9f51007\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-medium\">Optical Brighteners in Research &amp; Education<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a368949 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"a368949\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-06df547 elementor-widget elementor-widget-text-editor\" data-id=\"06df547\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div><p><span data-teams=\"true\">Optical brightener monitoring provides a practical and highly visual tool for research institutions and educational programs studying water quality, pollution pathways, and human environmental impact. Because fluorescent whitening agents are directly linked to household wastewater, they serve as an effective tracer for demonstrating real-world contamination dynamics in both laboratory and field settings.<\/span><\/p><p>AlpHa\u2019s XC-OBS sensor utilizes patent pending optical technology with the following unique features:<\/p><ul><li>Industry leading minimum detection limit at 0.08 ppb<\/li><li>Automatic temperature compensation<\/li><li>Analog (0 \u2013 3 V) or digital (RS-485 MODBUS RTU) output formats<\/li><li>Options for custom OEM sonde multiparameter and stand-alone configurations<\/li><\/ul><\/div><p><span style=\"font-size: 13.5pt; font-family: Montserrat; color: #525252;\">        <div class=\"rmwr-wrapper\" \n             data-id=\"rmwr-6a4ed7f949c94\"\n             data-mode=\"normal\"\n             data-animation=\"fade\"\n             data-duration=\"300\"\n             data-smooth-scroll=\"true\"\n             data-scroll-offset=\"0\">\n            <button \n                type=\"button\"\n                class=\"read-link\" \n                id=\"readlinkrmwr-6a4ed7f949c94\"\n                data-open-text=\"Read More\"\n                data-close-text=\"Read Less\"\n                aria-expanded=\"false\"\n                aria-controls=\"readrmwr-6a4ed7f949c94\"\n                aria-label=\"\u66f4\u591a\u4fe1\u606f\"\n            >\n                <span class=\"rmwr-text\">\u66f4\u591a\u4fe1\u606f<\/span>\n            <\/button>\n            <div \n                class=\"read_div\" \n                id=\"readrmwr-6a4ed7f949c94\"\n                aria-hidden=\"true\"\n                data-animation=\"fade\"\n                data-duration=\"300\"\n                style=\"display: none;\"\n            >\n                \u00a0 \u00a0 \u00a0<\/span><\/p><div><p>The measurement of optical brighteners i<span data-teams=\"true\">s essential in research and education for the following reasons<\/span>:<\/p><ul><li>Evaluating <strong>septic system<\/strong> performance and infrastructure leakage as part of environmental engineering and hydrology research.<\/li><li>Demonstrating <strong data-start=\"958\" data-end=\"972\">tracer dye<\/strong> principles in environmental science courses through real-time fluorescence monitoring.<\/li><li>Investigating <strong data-start=\"1182\" data-end=\"1203\">stormwater runoff<\/strong> impacts in urban ecology and sustainability programs.<\/li><li>Studying <strong data-start=\"689\" data-end=\"713\">wastewater transport<\/strong> pathways in surface water and groundwater systems to better understand contamination movement<div>\u00a0<\/div><\/li><\/ul><p>AlpHa&#8217;s optical brighteners fluorometer offers a powerful sensor for education and discovery, helping to inspire the next generation of environmental scientists.<\/p><\/div><p>            <\/div>\n        <\/div>\n        <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-dee9722\" data-id=\"dee9722\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-59e08a9 elementor-widget elementor-widget-image\" data-id=\"59e08a9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/alpha-measure.com\/wp-content\/uploads\/2026\/02\/Optical-Brighteners-Research-and-Education-1024x1024.png\" class=\"attachment-large size-large wp-image-22222\" alt=\"\" srcset=\"https:\/\/alpha-measure.com\/wp-content\/uploads\/2026\/02\/Optical-Brighteners-Research-and-Education-1024x1024.png 1024w, https:\/\/alpha-measure.com\/wp-content\/uploads\/2026\/02\/Optical-Brighteners-Research-and-Education-300x300.png 300w, https:\/\/alpha-measure.com\/wp-content\/uploads\/2026\/02\/Optical-Brighteners-Research-and-Education-150x150.png 150w, https:\/\/alpha-measure.com\/wp-content\/uploads\/2026\/02\/Optical-Brighteners-Research-and-Education-768x768.png 768w, https:\/\/alpha-measure.com\/wp-content\/uploads\/2026\/02\/Optical-Brighteners-Research-and-Education-12x12.png 12w, https:\/\/alpha-measure.com\/wp-content\/uploads\/2026\/02\/Optical-Brighteners-Research-and-Education.png 1080w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7cfc836 inner-page-btn-row elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7cfc836\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-64f3bb7\" data-id=\"64f3bb7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f840f7c ph-cutsom-tabs elementor-widget elementor-widget-move-advanced-tab\" data-id=\"f840f7c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"move-advanced-tab.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t                \n            <div class=\"htmove-advance-tab htmove-advance-tab-three\" >\n\n                <!-- Tab List Start -->\n                <ul class=\"htmove-tab-list\">\n                    <li><a href=\"#htmove-advance-tab-1f840f7c\">\u80fd\u529b<\/a><\/li><li><a href=\"#htmove-advance-tab-2f840f7c\">\u914d\u7f6e\u9009\u9879<\/a><\/li><li><a href=\"#htmove-advance-tab-3f840f7c\">\u6c9f\u901a\u4e0e\u8054\u7cfb<\/a><\/li>                <\/ul>\n                <!-- Tab List End -->\n\n                <div class=\"htmove-tab-container\">\n                    <div id=\"htmove-advance-tab-1f840f7c\" class=\"htmove-tab-pane\">        <div class=\"htmove-tab-body\">\n            <div class=\"htmove-tab-content\"><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Minimum Detection Limit: &lt; 0.08 ppb<\/span><\/li><li><span style=\"font-weight: 400\">Linearity: R<sup>2<\/sup> &gt; 0.99<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Chlorophyll a Range: 0 to 300 ppb (\u00b5g \/ L)<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Chlorophyll a Response Time:<\/span><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Sonde: T100 ~2 seconds<\/span><\/li><li><span style=\"font-weight: 400\">Stand-alone: ~2 seconds<\/span><\/li><\/ul><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u6e29\u5ea6\u8303\u56f4\uff1a0 \u81f3 50\u00b0C<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Max Pressure: 375 m\u00a0<\/span><\/li><li><span style=\"font-weight: 400\">LED Center Wavelength: 365 nm<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Emission Wavelength: 445 \/ 21 nm<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Input Power:<\/span><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Sonde: 5 \u2013 36 VDC<\/span><\/li><li><span style=\"font-weight: 400\">Stand-alone: 6 \u2013 36 VDC<\/span><\/li><\/ul><\/li><li><span style=\"font-weight: 400\">Power Consumption:<\/span><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Sonde: 280 mW at 5 V<\/span><\/li><li><span style=\"font-weight: 400\">Stand-alone: 670 mW at 6 V<\/span><\/li><li><span style=\"font-weight: 400\">\u53ef\u63d0\u4f9b\u5b9a\u5236\u9009\u9879<\/span><\/li><\/ul><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u4fdd\u4fee\uff1a12 \u4e2a\u6708<\/span><\/li><\/ul><\/div>        <\/div>\n        <\/div><div id=\"htmove-advance-tab-2f840f7c\" class=\"htmove-tab-pane\">        <div class=\"htmove-tab-body\">\n            <div class=\"htmove-tab-content\"><ul><li style=\"font-weight: 400\"><strong>\u5916\u5f62\u5c3a\u5bf8<\/strong><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u72ec\u7acb\u5f0f<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Sonde \/ Cartridge<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u53ef\u63d0\u4f9b\u5b9a\u5236\u9009\u9879<\/span><\/li><\/ul><\/li><li style=\"font-weight: 400\"><strong>\u5916\u58f3\u6750\u6599\u9009\u62e9<\/strong><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u949b<\/span><\/li><li><span style=\"font-weight: 400\">\u53ef\u63d0\u4f9b\u5b9a\u5236\u9009\u9879<\/span><\/li><\/ul><\/li><li style=\"font-weight: 400\"><strong>\u70ed\u654f\u7535\u963b\u9009\u9879<\/strong><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u96c6\u6210\u6e29\u5ea6\u8865\u507f<\/span><\/li><\/ul><\/li><li style=\"font-weight: 400\"><strong>\u7efc\u5408\u63d2\u5165<\/strong><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u53ef\u63d0\u4f9b\u5b9a\u5236\u9009\u9879<\/span><\/li><\/ul><\/li><\/ul><\/div>        <\/div>\n        <\/div><div id=\"htmove-advance-tab-3f840f7c\" class=\"htmove-tab-pane\">        <div class=\"htmove-tab-body\">\n            <div class=\"htmove-tab-content\"><ul><li style=\"font-weight: 400\"><strong>\u6a21\u62df<\/strong><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">0 \u2013 3 V with UART-MODBUS<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u53ef\u63d0\u4f9b\u5b9a\u5236\u9009\u9879<\/span><\/li><\/ul><\/li><li style=\"font-weight: 400\"><strong>\u6570\u5b57<\/strong><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">RS-485 Modbus RTU<\/span><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u53ef\u63d0\u4f9b\u5b9a\u5236\u9009\u9879\u00a0<\/span><\/li><\/ul><\/li><li style=\"font-weight: 400\"><strong>\u8fde\u63a5\u5668<\/strong><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u96c6\u6210\u8fde\u63a5\u5668\uff08\u53ef\u62c6\u5378\u6216\u65e0\u7535\u7f06\uff09<\/span><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u53ef\u63d0\u4f9b\u5b9a\u5236\u9009\u9879\u00a0<\/span><\/li><\/ul><\/li><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u5e26\u7535\u7f06\u7684\u8fde\u63a5\u5668\uff08\u5305\u62ec\u6e29\u5ea6\uff09<\/span><ul><li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u4efb\u4f55\u5e02\u552e\u8fde\u63a5\u5668\u548c\u5b9a\u5236\u9009\u4ef6<\/span><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/div>        <\/div>\n        <\/div>                <\/div>\n\n            <\/div>\n        \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-89640fa elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"89640fa\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2f5bdff\" data-id=\"2f5bdff\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0a9bc6d elementor-widget elementor-widget-move-dual-button\" data-id=\"0a9bc6d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"move-dual-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t                \n        <div class=\"htmove-dual-buttons\" >\n            <div class=\"htmove-button-area htmove-button-one\"><a href=\"https:\/\/alpha-measure.com\/zh\/contact-us\/\"><button class=\"htmove-btn htmove-btn-primary htmove-btn-sm\"> <span class=\"htmove-btn-text\">\u5b9a\u5236\u4f20\u611f\u5668<\/span>  <\/button><\/a><\/div>            <div class=\"htmove-button-area htmove-button-two\"><a href=\"https:\/\/alpha-measure.com\/zh\/find-a-distributor\/\"><button class=\"htmove-btn htmove-btn-primary htmove-btn-sm\"> <span class=\"htmove-btn-text\">\u8d2d\u4e70\u5e93\u5b58\u4ea7\u54c1<\/span>  <\/button><\/a><\/div>        <\/div>\n        \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Alpha\u2019s XC-CHLA, which measures chlorophyll-a at a market-leading minimum detection of 0.01 ppb, is ideal for research &#038; education.<\/p>","protected":false},"author":3,"featured_media":18596,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"inline_featured_image":false,"_predictive_search_focuskw":"","_ps_exclude_item":"","footnotes":""},"class_list":["post-22165","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Optical Brighteners in Research &amp; Education - AlpHa 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