{"id":32193,"date":"2026-03-12T11:35:42","date_gmt":"2026-03-12T10:35:42","guid":{"rendered":"https:\/\/rls-wacon.de\/produkt\/caldur-silicate-colorimetric\/"},"modified":"2026-03-12T11:35:42","modified_gmt":"2026-03-12T10:35:42","slug":"caldur-silicate-colorimetric","status":"publish","type":"product","link":"https:\/\/rls-wacon.de\/en\/produkt\/caldur-silicate-colorimetric\/","title":{"rendered":"Caldur\u00ae Silicate &#8211; Colorimetric"},"content":{"rendered":"<h2>CALDUR\u00ae Silicate Test Set &#8211; Colorimetric<\/h2>\n<h3>What is silicate measured for?<\/h3>\n<p>Silicate (SiO\u2082) enters the water naturally through the leaching of rocks and soils. Silicate control is particularly critical <strong>in boiler water and steam generator treatment<\/strong>: even low concentrations can lead to glass-like deposits on turbine blades and heat exchangers. <\/p>\n<p>In cooling water systems, silicate in combination with calcium and magnesium promotes the formation of deposits that are difficult to dissolve. Regular checks help to avoid costly malfunctions. <\/p>\n<p>Silicate plays a subordinate role in drinking water treatment, but can lead to blockages in membrane filtration processes (reverse osmosis) if the concentration is too high.<\/p>\n<h3>How does the test set work?<\/h3>\n<p>The CALDUR\u00ae silicate test set is based on the silicomolybdate blue method. Silicate reacts with molybdate in an acidic solution to form yellow silicomolybdate, which is then reduced to a blue complex. The blue coloration is proportional to the silicate concentration.  <\/p>\n<p>The measured value is determined by direct color comparison with a 6-stage color chart supplied.<\/p>\n<h3>Advantages of the CALDUR\u00ae test set<\/h3>\n<ul class=\"feature-list\">\n<li>Measuring range 0.25 &#8211; 10 mg\/l SiO\u2082\n<p style=\"text-indent: 30px; font-style: italic;\">Covers the practical range for boiler water and industry<\/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>Quick analysis in just 1 minute\n<p style=\"text-indent: 30px; font-style: italic;\">Immediate results on site<\/p>\n<\/li>\n<li>Easy handling with 3 reagents\n<p style=\"text-indent: 30px; font-style: italic;\">No measuring devices required<\/p>\n<\/li>\n<li>Robust plastic housing with hinged lid\n<p style=\"text-indent: 30px; font-style: italic;\">Safe transportation and protection of reagents<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>CALDUR\u00ae Silicate Test Set &#8211; Colorimetric What is silicate measured for? Silicate (SiO\u2082) enters the water naturally through the leaching of rocks and soils. Silicate control is particularly critical in boiler water and steam generator treatment: even low concentrations can lead to glass-like deposits on turbine blades and heat exchangers. In cooling water systems, silicate [&hellip;]<\/p>\n","protected":false},"featured_media":32194,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[637,2809,633],"product_tag":[],"class_list":{"0":"post-32193","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-colorimetric-method","7":"product_cat-silicate","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 Silicate Test Set - Colorimetric<\/title>\n<meta name=\"description\" content=\"Measure silicate in water with CALDUR\u00ae test set. 0.25-10 mg\/l SiO\u2082, 100 determinations. 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