{"id":31805,"date":"2026-03-12T11:29:40","date_gmt":"2026-03-12T10:29:40","guid":{"rendered":"https:\/\/rls-wacon.de\/produkt\/caldur-aluminium-colorimetric\/"},"modified":"2026-03-12T11:29:40","modified_gmt":"2026-03-12T10:29:40","slug":"caldur-aluminium-colorimetric","status":"publish","type":"product","link":"https:\/\/rls-wacon.de\/en\/produkt\/caldur-aluminium-colorimetric\/","title":{"rendered":"Caldur\u00ae Aluminium &#8211; Colorimetric"},"content":{"rendered":"<h2>CALDUR\u00ae Aluminum Test Set &#8211; Colorimetric<\/h2>\n<h3>What is aluminum measured for?<\/h3>\n<p>Aluminum (Al) enters drinking water primarily via aluminum-based flocculants (e.g. aluminum sulfate, polyaluminum chloride). These agents are used in water treatment to remove impurities. <strong>The limit value for drinking water is 0.2 mg\/l Al<\/strong> (Drinking Water Ordinance). <\/p>\n<p>Elevated aluminum concentrations can lead to turbidity and are an indication of insufficient flocculation or filtration. In acidic waters (pH &lt; 5), natural aluminum can be dissolved from the soil and reach concentrations that are toxic to fish. <\/p>\n<p>Regular monitoring of the aluminum concentration is particularly important in waterworks, in industrial treatment and in environmental analysis.<\/p>\n<h3>How does the test set work?<\/h3>\n<p>The CALDUR\u00ae Aluminium Test Set &#8211; Colorimetric is based on a colorimetric color card method. After adding three reagents to the water sample, a characteristic coloration develops within 8 minutes, the intensity of which is proportional to the aluminum concentration. <\/p>\n<p>The measured value is determined by direct color comparison with a supplied color chart.<\/p>\n<h3>Advantages of the CALDUR\u00ae test set<\/h3>\n<ul class=\"feature-list\">\n<li>Sensitive measuring range 0.05 &#8211; 2 mg\/l Al\n<p style=\"text-indent: 30px; font-style: italic;\">Covers the drinking water limit and above<\/p>\n<\/li>\n<li>150 provisions per set\n<p style=\"text-indent: 30px; font-style: italic;\">Cost-efficient for continuous use in waterworks<\/p>\n<\/li>\n<li>Easy handling with color card\n<p style=\"text-indent: 30px; font-style: italic;\">Fast on-site determination without measuring devices<\/p>\n<\/li>\n<li>Proven colorimetric method\n<p style=\"text-indent: 30px; font-style: italic;\">Reliable and reproducible results<\/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 Aluminum Test Set &#8211; Colorimetric What is aluminum measured for? Aluminum (Al) enters drinking water primarily via aluminum-based flocculants (e.g. aluminum sulfate, polyaluminum chloride). These agents are used in water treatment to remove impurities. The limit value for drinking water is 0.2 mg\/l Al (Drinking Water Ordinance). Elevated aluminum concentrations can lead to turbidity [&hellip;]<\/p>\n","protected":false},"featured_media":31806,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[776,637,633],"product_tag":[],"class_list":{"0":"post-31805","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-aluminum","7":"product_cat-colorimetric-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 Aluminum Test Set - Colorimetric<\/title>\n<meta name=\"description\" content=\"Measure aluminum in water with the CALDUR\u00ae test set. Colorimetric color chart, 0.05-2 mg\/l Al, 150 determinations. 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