{"id":33180,"date":"2026-06-10T13:24:54","date_gmt":"2026-06-10T11:24:54","guid":{"rendered":"https:\/\/rls-wacon.de\/produkt\/caldur-sulfit-t-titrimetrisch\/"},"modified":"2026-06-18T11:26:03","modified_gmt":"2026-06-18T09:26:03","slug":"caldur-sulfit-t-titrimetrisch","status":"publish","type":"product","link":"https:\/\/rls-wacon.de\/en\/produkt\/caldur-sulfit-t-titrimetrisch\/","title":{"rendered":"Caldur\u00ae Sulfite T &#8211; Titrimetric"},"content":{"rendered":"<h2>CALDUR\u00ae Sulfite Test Set T &#8211; Titrimetric<\/h2>\n<h3>What is sulfite measured for?<\/h3>\n<p>Sulfite (SO\u2083\u00b2\u207b) is used in water treatment as an oxygen scavenger to prevent corrosion in steam boilers, heating systems and closed cooling systems. As a reducing agent, sulfite reacts with dissolved oxygen and thus protects pipes and plant components from oxygen corrosion.<\/p>\n<p><strong>The optimal sulfite concentration in boiler water is 20-30 mg\/l SO\u2083\u00b2\u207b<\/strong>. Regular monitoring is essential, as values that are too low do not provide sufficient corrosion protection, while concentrations that are too high are uneconomical and promote the formation of sulfate.<\/p>\n<p>In the food industry, sulfite is also used as a preservative and antioxidant. Monitoring the sulfite concentration is therefore of great importance in various industrial sectors.<\/p>\n<h3>How does the test set work?<\/h3>\n<p>The CALDUR\u00ae Sulfite Test Set T works according to the proven iodometric titration method. After preparing the water sample with two reagents, a titration solution is added drop by drop until a clear colour change occurs.<\/p>\n<p>The measured value results from the number of drops used \u2013 each drop corresponds to 5 mg\/l SO\u2083\u00b2\u207b. This method is particularly fast (just 1 minute) and is excellently suited for routine monitoring in boiler plants.<\/p>\n<h3>Benefits of the CALDUR\u00ae test set<\/h3>\n<ul class=\"feature-list\">\n<li>Very fast analysis in just 1 minute\n<p style=\"text-indent: 30px;font-style: italic\">Fastest CALDUR\u00ae method for sulfite \u2013 ideal for frequent checks in shift operation<\/p>\n<\/li>\n<li>Simple drop counting without complex evaluation\n<p style=\"text-indent: 30px;font-style: italic\">Each drop = 5 mg\/l \u2013 very easy calculation directly on site<\/p>\n<\/li>\n<li>Precise titration method based on the iodometric principle\n<p style=\"text-indent: 30px;font-style: italic\">Proven procedure with high reproducibility and reliability<\/p>\n<\/li>\n<li>100 determinations per set\n<p style=\"text-indent: 30px;font-style: italic\">Sufficient for regular checks in boiler plants and heating stations<\/p>\n<\/li>\n<li>Flexible measuring range through drop counting\n<p style=\"text-indent: 30px;font-style: italic\">From 5 mg\/l to over 100 mg\/l \u2013 measurable by simply continuing to add drops<\/p>\n<\/li>\n<li>No special instruments required\n<p style=\"text-indent: 30px;font-style: italic\">Just a dropper bottle and test tube \u2013 perfect for mobile use<\/p>\n<\/li>\n<li>Robust, waterproof plastic housing with hinged lid\n<p style=\"text-indent: 30px;font-style: italic\">Safe transport and protection of the reagents \u2013 durable even under harsh conditions<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>CALDUR\u00ae Sulfite Test Set T &#8211; Titrimetric What is sulfite measured for? Sulfite (SO\u2083\u00b2\u207b) is used in water treatment as an oxygen scavenger to prevent corrosion in steam boilers, heating systems and closed cooling systems. As a reducing agent, sulfite reacts with dissolved oxygen and thus protects pipes and plant components from oxygen corrosion. The [&hellip;]<\/p>\n","protected":false},"featured_media":6026,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[740,633,641],"product_tag":[],"class_list":["post-33180","product","type-product","status-publish","has-post-thumbnail","product_cat-sulfite","product_cat-testsets-caldur-en","product_cat-titration-method","first","instock","shipping-taxable","purchasable","product-type-variable"],"exclude_global_add_ons":[],"addons":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.8 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Caldur\u00ae Sulfite T - Titrimetric - RLS Wacon analytics<\/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:\/\/rls-wacon.de\/en\/produkt\/caldur-sulfit-t-titrimetrisch\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Caldur\u00ae Sulfite T - Titrimetric\" \/>\n<meta property=\"og:description\" content=\"CALDUR\u00ae Sulfite Test Set T &#8211; Titrimetric What is sulfite measured for? Sulfite (SO\u2083\u00b2\u207b) is used in water treatment as an oxygen scavenger to prevent corrosion in steam boilers, heating systems and closed cooling systems. As a reducing agent, sulfite reacts with dissolved oxygen and thus protects pipes and plant components from oxygen corrosion. The [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rls-wacon.de\/en\/produkt\/caldur-sulfit-t-titrimetrisch\/\" \/>\n<meta property=\"og:site_name\" content=\"RLS Wacon analytics\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-18T09:26:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/rls-wacon.de\/wp-content\/uploads\/2023\/03\/sulfit.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2067\" \/>\n\t<meta property=\"og:image:height\" content=\"1378\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Availability\" \/>\n\t<meta name=\"twitter:data1\" content=\"In stock\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/rls-wacon.de\\\/en\\\/produkt\\\/caldur-sulfit-t-titrimetrisch\\\/\",\"url\":\"https:\\\/\\\/rls-wacon.de\\\/en\\\/produkt\\\/caldur-sulfit-t-titrimetrisch\\\/\",\"name\":\"Caldur\u00ae Sulfite T - Titrimetric - RLS Wacon analytics\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/rls-wacon.de\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/rls-wacon.de\\\/en\\\/produkt\\\/caldur-sulfit-t-titrimetrisch\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/rls-wacon.de\\\/en\\\/produkt\\\/caldur-sulfit-t-titrimetrisch\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/rls-wacon.de\\\/wp-content\\\/uploads\\\/2023\\\/03\\\/sulfit.jpg\",\"datePublished\":\"2026-06-10T11:24:54+00:00\",\"dateModified\":\"2026-06-18T09:26:03+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/rls-wacon.de\\\/en\\\/produkt\\\/caldur-sulfit-t-titrimetrisch\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/rls-wacon.de\\\/en\\\/produkt\\\/caldur-sulfit-t-titrimetrisch\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/rls-wacon.de\\\/en\\\/produkt\\\/caldur-sulfit-t-titrimetrisch\\\/#primaryimage\",\"url\":\"https:\\\/\\\/rls-wacon.de\\\/wp-content\\\/uploads\\\/2023\\\/03\\\/sulfit.jpg\",\"contentUrl\":\"https:\\\/\\\/rls-wacon.de\\\/wp-content\\\/uploads\\\/2023\\\/03\\\/sulfit.jpg\",\"width\":2067,\"height\":1378,\"caption\":\"sulfite\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/rls-wacon.de\\\/en\\\/produkt\\\/caldur-sulfit-t-titrimetrisch\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Startseite\",\"item\":\"https:\\\/\\\/rls-wacon.de\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\\\/\\\/rls-wacon.de\\\/shop\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Caldur\u00ae Sulfite T &#8211; Titrimetric\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/rls-wacon.de\\\/#website\",\"url\":\"https:\\\/\\\/rls-wacon.de\\\/\",\"name\":\"RLS Wacon analytics GmbH\",\"description\":\"Experts for water monitoring\",\"publisher\":{\"@id\":\"https:\\\/\\\/rls-wacon.de\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/rls-wacon.de\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/rls-wacon.de\\\/#organization\",\"name\":\"RLS Wacon analytics GmbH\",\"url\":\"https:\\\/\\\/rls-wacon.de\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/rls-wacon.de\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/rls-wacon.de\\\/wp-content\\\/uploads\\\/2022\\\/10\\\/RLSWacon-analytics-Logo-BR-RZ-9_17-768x1591.png\",\"contentUrl\":\"https:\\\/\\\/rls-wacon.de\\\/wp-content\\\/uploads\\\/2022\\\/10\\\/RLSWacon-analytics-Logo-BR-RZ-9_17-768x1591.png\",\"width\":768,\"height\":159,\"caption\":\"RLS Wacon analytics GmbH\"},\"image\":{\"@id\":\"https:\\\/\\\/rls-wacon.de\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<meta property=\"product:condition\" content=\"new\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Caldur\u00ae Sulfite T - Titrimetric - RLS Wacon analytics","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:\/\/rls-wacon.de\/en\/produkt\/caldur-sulfit-t-titrimetrisch\/","og_locale":"en_US","og_type":"article","og_title":"Caldur\u00ae Sulfite T - Titrimetric","og_description":"CALDUR\u00ae Sulfite Test Set T &#8211; Titrimetric What is sulfite measured for? Sulfite (SO\u2083\u00b2\u207b) is used in water treatment as an oxygen scavenger to prevent corrosion in steam boilers, heating systems and closed cooling systems. As a reducing agent, sulfite reacts with dissolved oxygen and thus protects pipes and plant components from oxygen corrosion. The [&hellip;]","og_url":"https:\/\/rls-wacon.de\/en\/produkt\/caldur-sulfit-t-titrimetrisch\/","og_site_name":"RLS Wacon analytics","article_modified_time":"2026-06-18T09:26:03+00:00","og_image":[{"width":2067,"height":1378,"url":"https:\/\/rls-wacon.de\/wp-content\/uploads\/2023\/03\/sulfit.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Availability":"In stock"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/rls-wacon.de\/en\/produkt\/caldur-sulfit-t-titrimetrisch\/","url":"https:\/\/rls-wacon.de\/en\/produkt\/caldur-sulfit-t-titrimetrisch\/","name":"Caldur\u00ae Sulfite T - Titrimetric - RLS Wacon analytics","isPartOf":{"@id":"https:\/\/rls-wacon.de\/#website"},"primaryImageOfPage":{"@id":"https:\/\/rls-wacon.de\/en\/produkt\/caldur-sulfit-t-titrimetrisch\/#primaryimage"},"image":{"@id":"https:\/\/rls-wacon.de\/en\/produkt\/caldur-sulfit-t-titrimetrisch\/#primaryimage"},"thumbnailUrl":"https:\/\/rls-wacon.de\/wp-content\/uploads\/2023\/03\/sulfit.jpg","datePublished":"2026-06-10T11:24:54+00:00","dateModified":"2026-06-18T09:26:03+00:00","breadcrumb":{"@id":"https:\/\/rls-wacon.de\/en\/produkt\/caldur-sulfit-t-titrimetrisch\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/rls-wacon.de\/en\/produkt\/caldur-sulfit-t-titrimetrisch\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/rls-wacon.de\/en\/produkt\/caldur-sulfit-t-titrimetrisch\/#primaryimage","url":"https:\/\/rls-wacon.de\/wp-content\/uploads\/2023\/03\/sulfit.jpg","contentUrl":"https:\/\/rls-wacon.de\/wp-content\/uploads\/2023\/03\/sulfit.jpg","width":2067,"height":1378,"caption":"sulfite"},{"@type":"BreadcrumbList","@id":"https:\/\/rls-wacon.de\/en\/produkt\/caldur-sulfit-t-titrimetrisch\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Startseite","item":"https:\/\/rls-wacon.de\/"},{"@type":"ListItem","position":2,"name":"Shop","item":"https:\/\/rls-wacon.de\/shop\/"},{"@type":"ListItem","position":3,"name":"Caldur\u00ae Sulfite T &#8211; Titrimetric"}]},{"@type":"WebSite","@id":"https:\/\/rls-wacon.de\/#website","url":"https:\/\/rls-wacon.de\/","name":"RLS Wacon analytics GmbH","description":"Experts for water monitoring","publisher":{"@id":"https:\/\/rls-wacon.de\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/rls-wacon.de\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/rls-wacon.de\/#organization","name":"RLS Wacon analytics GmbH","url":"https:\/\/rls-wacon.de\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/rls-wacon.de\/#\/schema\/logo\/image\/","url":"https:\/\/rls-wacon.de\/wp-content\/uploads\/2022\/10\/RLSWacon-analytics-Logo-BR-RZ-9_17-768x1591.png","contentUrl":"https:\/\/rls-wacon.de\/wp-content\/uploads\/2022\/10\/RLSWacon-analytics-Logo-BR-RZ-9_17-768x1591.png","width":768,"height":159,"caption":"RLS Wacon analytics GmbH"},"image":{"@id":"https:\/\/rls-wacon.de\/#\/schema\/logo\/image\/"}}]},"product_condition":"new"},"_links":{"self":[{"href":"https:\/\/rls-wacon.de\/en\/wp-json\/wp\/v2\/product\/33180","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rls-wacon.de\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/rls-wacon.de\/en\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":1,"href":"https:\/\/rls-wacon.de\/en\/wp-json\/wp\/v2\/product\/33180\/revisions"}],"predecessor-version":[{"id":33244,"href":"https:\/\/rls-wacon.de\/en\/wp-json\/wp\/v2\/product\/33180\/revisions\/33244"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rls-wacon.de\/en\/wp-json\/wp\/v2\/media\/6026"}],"wp:attachment":[{"href":"https:\/\/rls-wacon.de\/en\/wp-json\/wp\/v2\/media?parent=33180"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/rls-wacon.de\/en\/wp-json\/wp\/v2\/product_brand?post=33180"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/rls-wacon.de\/en\/wp-json\/wp\/v2\/product_cat?post=33180"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/rls-wacon.de\/en\/wp-json\/wp\/v2\/product_tag?post=33180"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}