{"id":31827,"date":"2026-03-12T11:29:45","date_gmt":"2026-03-12T10:29:45","guid":{"rendered":"https:\/\/rls-wacon.de\/produkt\/caldur-ammonium-photometrique\/"},"modified":"2026-03-12T11:29:45","modified_gmt":"2026-03-12T10:29:45","slug":"caldur-ammonium-photometrique","status":"publish","type":"product","link":"https:\/\/rls-wacon.de\/fr\/produkt\/caldur-ammonium-photometrique\/","title":{"rendered":"Caldur\u00ae Ammonium &#8211; Photom\u00e9trique"},"content":{"rendered":"<h2>CALDUR\u00ae Kit d&rsquo;essai d&rsquo;ammonium &#8211; Photom\u00e9trique<\/h2>\n<h3>Pourquoi mesure-t-on l&rsquo;ammonium ?<\/h3>\n<p>L&rsquo;ammonium (NH\u2084\u207a) est un indicateur important de la qualit\u00e9 de l&rsquo;eau. Il est produit par la d\u00e9gradation microbienne de la mati\u00e8re organique ou p\u00e9n\u00e8tre dans l&rsquo;eau par les engrais, les eaux us\u00e9es et les apports agricoles. Une concentration \u00e9lev\u00e9e d&rsquo;ammonium peut indiquer une contamination et doit \u00eatre surveill\u00e9e de mani\u00e8re critique, en particulier dans l&rsquo;eau potable, les aquariums et les piscicultures. <\/p>\n<p><strong>En Allemagne, la valeur limite pour l&rsquo;eau potable est de 0,5 mg\/l de NH\u2084\u207a<\/strong> (ordonnance sur l&rsquo;eau potable). Dans les eaux, l&rsquo;ammonium sert de nutriment pour les algues et les plantes, des concentrations \u00e9lev\u00e9es pouvant entra\u00eener une eutrophisation. L&rsquo;ammonium est toxique pour les poissons &#8211; m\u00eame de faibles quantit\u00e9s peuvent causer des dommages aux branchies.  <\/p>\n<p>En aquariophilie, le contr\u00f4le de l&rsquo;ammonium est essentiel, car dans l&rsquo;\u00e9quilibre biologique de l&rsquo;aquarium, les bact\u00e9ries d\u00e9composent d&rsquo;abord l&rsquo;ammonium en nitrites, puis en nitrates. Une mesure r\u00e9guli\u00e8re prot\u00e8ge les poissons contre les intoxications et donne des informations sur le fonctionnement du filtre biologique. <\/p>\n<h3>Comment fonctionne le kit de test ?<\/h3>\n<p>Le kit d&rsquo;essai CALDUR\u00ae Ammonium &#8211; Photom\u00e9trique est bas\u00e9 sur la m\u00e9thode tr\u00e8s pr\u00e9cise du bleu d&rsquo;indoph\u00e9nol. Apr\u00e8s l&rsquo;ajout de trois r\u00e9actifs \u00e0 l&rsquo;\u00e9chantillon d&rsquo;eau, une coloration bleue-verte caract\u00e9ristique se d\u00e9veloppe en 8 minutes, dont l&rsquo;intensit\u00e9 est proportionnelle \u00e0 la concentration d&rsquo;ammonium. <\/p>\n<p>L&rsquo;\u00e9valuation est effectu\u00e9e par photom\u00e9trie \u00e0 l&rsquo;aide du photom\u00e8tre WINLAB Data Line, ce qui permet une mesure particuli\u00e8rement pr\u00e9cise dans la plage des faibles concentrations. La m\u00e9thode est hautement sp\u00e9cifique \u00e0 l&rsquo;ammonium et ne pr\u00e9sente que peu de r\u00e9actions crois\u00e9es avec d&rsquo;autres compos\u00e9s azot\u00e9s. <\/p>\n<h3>Avantages du kit de test CALDUR<\/h3>\n<ul class=\"feature-list\">\n<li>Analyse rapide en seulement 8 minutes\n<p style=\"text-indent: 30px; font-style: italic;\">Id\u00e9al pour les contr\u00f4les r\u00e9guliers dans les aquariums, les bassins \u00e0 poissons et les stations d&rsquo;\u00e9puration &#8211; r\u00e9sultats imm\u00e9diats<\/p>\n<\/li>\n<li>Plage de mesure pr\u00e9cise de 0,1 \u00e0 3 mg\/l NH\u2084\u207a\n<p style=\"text-indent: 30px; font-style: italic;\">Optimis\u00e9 pour l&rsquo;eau potable et les aquariums avec une pr\u00e9cision maximale<\/p>\n<\/li>\n<li>150 dispositions par ensemble &#8211; \u00e9conomique en utilisation continue\n<p style=\"text-indent: 30px; font-style: italic;\">Rentable pour les contr\u00f4les quotidiens en aquaculture, dans les usines de production d&rsquo;eau et pour les analyses environnementales<\/p>\n<\/li>\n<li>\u00c9valuation photom\u00e9trique pour des mesures de pr\u00e9cision\n<p style=\"text-indent: 30px; font-style: italic;\">R\u00e9sultats de mesure objectifs sans \u00e9valuation subjective des couleurs<\/p>\n<\/li>\n<li>M\u00e9thode hautement sp\u00e9cifique sans interf\u00e9rences\n<p style=\"text-indent: 30px; font-style: italic;\">Des r\u00e9sultats de mesure pr\u00e9cis, m\u00eame pour des matrices d&rsquo;eau complexes<\/p>\n<\/li>\n<li>Emballage robuste en sachet plastique ou en recharge\n<p style=\"text-indent: 30px; font-style: italic;\">Recharge \u00e9conomique pour une utilisation continue<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>CALDUR\u00ae Kit d&rsquo;essai d&rsquo;ammonium &#8211; Photom\u00e9trique Pourquoi mesure-t-on l&rsquo;ammonium ? L&rsquo;ammonium (NH\u2084\u207a) est un indicateur important de la qualit\u00e9 de l&rsquo;eau. Il est produit par la d\u00e9gradation microbienne de la mati\u00e8re organique ou p\u00e9n\u00e8tre dans l&rsquo;eau par les engrais, les eaux us\u00e9es et les apports agricoles. Une concentration \u00e9lev\u00e9e d&rsquo;ammonium peut indiquer une contamination et [&hellip;]<\/p>\n","protected":false},"featured_media":20829,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[1028,1023,955],"product_tag":[],"class_list":{"0":"post-31827","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ammonium-fr","7":"product_cat-kits-de-test-caldur","8":"product_cat-methode-photometrique","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 Kit d&#039;essai d&#039;ammonium - Photom\u00e9trique pour l&#039;eau<\/title>\n<meta name=\"description\" content=\"D\u00e9termination pr\u00e9cise de l&#039;ammonium avec le kit d&#039;essai CALDUR\u00ae Ammonium - Photom\u00e9trique. 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