{"id":31551,"date":"2026-03-12T11:36:11","date_gmt":"2026-03-12T10:36:11","guid":{"rendered":"https:\/\/rls-wacon.de\/produkt\/caldur-sulfate-20-mg-titrimetrique\/"},"modified":"2026-05-29T11:19:54","modified_gmt":"2026-05-29T09:19:54","slug":"caldur-sulfate-20-mg-titrimetrique","status":"publish","type":"product","link":"https:\/\/rls-wacon.de\/fr\/produkt\/caldur-sulfate-20-mg-titrimetrique\/","title":{"rendered":"Caldur\u00ae Sulfate 20 mg &#8211; Titrim\u00e9trique"},"content":{"rendered":"<h2>CALDUR\u00ae Sulfate 20 mg Kit de test &#8211; Titrim\u00e9trique<\/h2>\n<h3>A quoi sert la mesure du sulfate ?<\/h3>\n<p>Le sulfate (SO\u2084\u00b2-) est un anion naturellement pr\u00e9sent dans de nombreuses eaux et provient principalement de l&rsquo;alt\u00e9ration de min\u00e9raux contenant des sulfates tels que le gypse (CaSO\u2084) et l&rsquo;anhydrite. Dans les processus industriels, le sulfate est \u00e9galement introduit dans l&rsquo;eau par les eaux us\u00e9es, les tours de refroidissement et les processus de production chimique. <\/p>\n<p><strong>La valeur limite pour les sulfates dans l&rsquo;eau potable est de 250 mg\/l<\/strong> (r\u00e8glement sur l&rsquo;eau potable). Des concentrations \u00e9lev\u00e9es de sulfate peuvent avoir un effet d\u00e9presseur et alt\u00e9rer le go\u00fbt de l&rsquo;eau. Dans l&rsquo;industrie, le contr\u00f4le des sulfates est particuli\u00e8rement important car des concentrations \u00e9lev\u00e9es peuvent entra\u00eener la corrosion des structures en b\u00e9ton et des canalisations.  <\/p>\n<p>Ce kit de test avec une r\u00e9solution de 20 mg\/l SO\u2084\u00b2- par goutte est optimis\u00e9 pour des concentrations plus \u00e9lev\u00e9es et permet une d\u00e9termination rapide dans des \u00e9chantillons avec une teneur \u00e9lev\u00e9e en sulfate.<\/p>\n<h3>Comment fonctionne le kit de test ?<\/h3>\n<p>Le kit de test CALDUR\u00ae Sulfate 20 mg fonctionne selon le principe du titrage par pr\u00e9cipitation. L&rsquo;\u00e9chantillon d&rsquo;eau est d&rsquo;abord m\u00e9lang\u00e9 avec un r\u00e9actif. Ensuite, la solution de titrage est ajout\u00e9e goutte \u00e0 goutte jusqu&rsquo;\u00e0 ce qu&rsquo;un changement de couleur indique le point final.  <\/p>\n<p><strong>Principe de mesure :<\/strong> les ions baryum de la solution de titrage r\u00e9agissent avec les ions sulfate pour former du sulfate de baryum peu soluble. Le point final est indiqu\u00e9 par un indicateur. Chaque goutte correspond \u00e0 20 mg\/l de SO\u2084\u00b2-.  <\/p>\n<p><strong>Calcul :<\/strong> nombre de gouttes \u00d7 20 = concentration de sulfate en mg\/l.<\/p>\n<h3>Avantages du kit de test CALDUR<\/h3>\n<ul class=\"feature-list\">\n<li>Analyse rapide en seulement 2 minutes\n<p style=\"text-indent: 30px; font-style: italic;\">D\u00e9termination efficace sur site sans \u00e9quipement de laboratoire<\/p>\n<\/li>\n<li>Valeur mesur\u00e9e 20 mg\/l SO\u2084\u00b2- par goutte\n<p style=\"text-indent: 30px; font-style: italic;\">Plage de mesure plus large pour des concentrations plus \u00e9lev\u00e9es<\/p>\n<\/li>\n<li>30 dispositions par ensemble\n<p style=\"text-indent: 30px; font-style: italic;\">\u00c9conomique pour la surveillance r\u00e9guli\u00e8re<\/p>\n<\/li>\n<li>Un titrage de pr\u00e9cipitation \u00e9prouv\u00e9\n<p style=\"text-indent: 30px; font-style: italic;\">R\u00e9sultats fiables et reproductibles<\/p>\n<\/li>\n<li>Titrage plus rapide \u00e0 des concentrations \u00e9lev\u00e9es\n<p style=\"text-indent: 30px; font-style: italic;\">Moins de gouttes n\u00e9cessaires qu&rsquo;avec le kit de test 10 mg<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>CALDUR\u00ae Sulfate 20 mg Kit de test &#8211; Titrim\u00e9trique A quoi sert la mesure du sulfate ? Le sulfate (SO\u2084\u00b2-) est un anion naturellement pr\u00e9sent dans de nombreuses eaux et provient principalement de l&rsquo;alt\u00e9ration de min\u00e9raux contenant des sulfates tels que le gypse (CaSO\u2084) et l&rsquo;anhydrite. Dans les processus industriels, le sulfate est \u00e9galement introduit [&hellip;]<\/p>\n","protected":false},"featured_media":31552,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[1023,1000,1037],"product_tag":[],"class_list":{"0":"post-31551","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-kits-de-test-caldur","7":"product_cat-methode-de-titrage","8":"product_cat-sulfate","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 Sulfate 20 mg Kit de test - Titrim\u00e9trique<\/title>\n<meta name=\"description\" content=\"Mesure des sulfates dans l&#039;eau par titrage par pr\u00e9cipitation. 20 mg\/l par goutte, 30 d\u00e9terminations. 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