{"id":31658,"date":"2026-03-12T11:34:41","date_gmt":"2026-03-12T10:34:41","guid":{"rendered":"https:\/\/rls-wacon.de\/produkt\/caldur-phosphate-hr-photometric\/"},"modified":"2026-03-12T11:34:41","modified_gmt":"2026-03-12T10:34:41","slug":"caldur-phosphate-hr-photometric","status":"publish","type":"product","link":"https:\/\/rls-wacon.de\/en\/produkt\/caldur-phosphate-hr-photometric\/","title":{"rendered":"Caldur\u00ae Phosphate HR &#8211; Photometric"},"content":{"rendered":"<h2>CALDUR\u00ae Phosphate HR Test Set &#8211; Photometric<\/h2>\n<h3>What is phosphate HR measured for?<\/h3>\n<p>In many industrial applications, phosphates are used in significantly higher concentrations than in drinking water. <strong>In boiler water, the typical phosphate target value is 10-30 mg\/l PO\u2084\u00b3-,<\/strong> depending on the operating pressure and type of system. <\/p>\n<p>Phosphate acts as a hardness stabilizer in boiler water &#8211; it binds calcium and magnesium and thus prevents the formation of scale. Too low a dosage leads to deposits, too high a dosage leads to increased sludge formation. <\/p>\n<p>Phosphates are used as corrosion inhibitors in cooling water systems in concentrations of 5-50 mg\/l. Regular monitoring ensures optimum dosing. <\/p>\n<h3>How does the test set work?<\/h3>\n<p>The CALDUR\u00ae Phosphate HR Test Set &#8211; Photometric is based on the molybdate method. After adding a reagent to the water sample, a yellow color complex (phosphorus molybdate) is formed within 1 minute, the concentration of which is precisely determined with the WINLAB Data Line photometer. <\/p>\n<h3>Advantages of the CALDUR\u00ae test set<\/h3>\n<ul class=\"feature-list\">\n<li>Wide measuring range 2.5 &#8211; 100 mg\/l PO\u2084\u00b3-\n<p style=\"text-indent: 30px; font-style: italic;\">Ideal for boiler water and industrial applications<\/p>\n<\/li>\n<li>100 provisions per set\n<p style=\"text-indent: 30px; font-style: italic;\">Economical for regular checks<\/p>\n<\/li>\n<li>Fast response time of just 1 minute\n<p style=\"text-indent: 30px; font-style: italic;\">Immediate results for process control<\/p>\n<\/li>\n<li>Proven molybdate method\n<p style=\"text-indent: 30px; font-style: italic;\">Reliable and specific for orthophosphate<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>CALDUR\u00ae Phosphate HR Test Set &#8211; Photometric What is phosphate HR measured for? In many industrial applications, phosphates are used in significantly higher concentrations than in drinking water. In boiler water, the typical phosphate target value is 10-30 mg\/l PO\u2084\u00b3-, depending on the operating pressure and type of system. Phosphate acts as a hardness stabilizer [&hellip;]<\/p>\n","protected":false},"featured_media":31660,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[750,639,633],"product_tag":[],"class_list":{"0":"post-31658","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-phosphate","7":"product_cat-photometric-method","8":"product_cat-testsets-caldur-en","10":"first","11":"instock","12":"shipping-taxable","13":"purchasable","14":"product-type-variable"},"exclude_global_add_ons":[],"addons":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>CALDUR\u00ae Phosphate HR Test Set - Photometric<\/title>\n<meta name=\"description\" content=\"Precisely measure phosphate in boiler water with the CALDUR\u00ae HR test set. Photometric molybdate method, 2.5-100 mg\/l PO4, 100 determinations. 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