{"id":33205,"date":"2026-03-12T11:33:44","date_gmt":"2026-03-12T10:33:44","guid":{"rendered":"https:\/\/rls-wacon.de\/produkt\/mn-nitrat-nitrit-teststaebchen\/"},"modified":"2026-06-18T11:19:15","modified_gmt":"2026-06-18T09:19:15","slug":"mn-nitrat-nitrit-teststaebchen","status":"publish","type":"product","link":"https:\/\/rls-wacon.de\/fr\/produkt\/mn-nitrat-nitrit-teststaebchen\/","title":{"rendered":"Bandelettes nitrate\/nitrite MN"},"content":{"rendered":"

Bandelettes nitrate\/nitrite MN<\/h2>\n

\u00c0 quoi servent les mesures de nitrate et de nitrite ?<\/h3>\n

Le nitrate (NO\u2083\u207b) et le nitrite (NO\u2082\u207b) sont d’importants compos\u00e9s azot\u00e9s en analyse de l’eau. La valeur limite du nitrate dans l’eau potable est de 50 mg\/l<\/strong>, celle du nitrite de 0,5 mg\/l (r\u00e8glement allemand sur l’eau potable). Les deux param\u00e8tres doivent \u00eatre surveill\u00e9s r\u00e9guli\u00e8rement.<\/p>\n

Le nitrate<\/strong> parvient dans les eaux souterraines et de surface principalement par la fertilisation agricole et les eaux us\u00e9es. Des concentrations \u00e9lev\u00e9es de nitrate peuvent \u00eatre nocives pour les nourrissons (m\u00e9th\u00e9moglobin\u00e9mie) et indiquent une contamination du bassin versant.<\/p>\n

Le nitrite<\/strong> se forme comme produit interm\u00e9diaire lors de la transformation bact\u00e9rienne de l’ammonium en nitrate (nitrification) et est plus toxique que le nitrate. Dans les conduites d’eau potable, le nitrite peut se former par stagnation et activit\u00e9 bact\u00e9rienne.<\/p>\n

Les bandelettes nitrate\/nitrite MN d\u00e9terminent les deux param\u00e8tres simultan\u00e9ment en une seule mesure \u2013 id\u00e9al pour un test d’orientation rapide.<\/p>\n

Comment fonctionnent les bandelettes ?<\/h3>\n

Les bandelettes poss\u00e8dent deux zones de r\u00e9action distinctes : une pour le nitrate et une pour le nitrite. Les deux zones changent de couleur lors de l’immersion dans l’\u00e9chantillon selon la concentration respective. Par comparaison de couleur avec l’\u00e9chelle imprim\u00e9e, les deux valeurs sont lues simultan\u00e9ment.<\/p>\n

Lecture du nitrate :<\/strong> \u00e9chelle colorim\u00e9trique avec paliers 0 \/ 10 \/ 25 \/ 50 \/ 100 \/ 250 \/ 500 mg\/l NO\u2083\u207b.
\nLecture du nitrite :<\/strong> \u00e9chelle colorim\u00e9trique avec paliers 0 \/ 1 \/ 5 \/ 10 \/ 20 \/ 40 \/ 80 mg\/l NO\u2082\u207b.<\/p>\n

Avantages des bandelettes MN<\/h3>\n
    \n
  • D\u00e9terminer deux param\u00e8tres \u00e0 la fois\n

    Nitrate ET nitrite en une seule mesure \u2013 gain de temps et pratique<\/p>\n<\/li>\n

  • Mesure rapide en env. 1 minute\n

    R\u00e9sultats imm\u00e9diats sans r\u00e9actifs ni appareils<\/p>\n<\/li>\n

  • 100 d\u00e9terminations par bo\u00eete\n

    Particuli\u00e8rement \u00e9conomique pour des contr\u00f4les r\u00e9guliers<\/p>\n<\/li>\n

  • Large plage de mesure\n

    Nitrate 0-500 mg\/l, nitrite 0-80 mg\/l \u2013 couvre toutes les plages pertinentes en pratique<\/p>\n<\/li>\n

  • Aucun r\u00e9actif n\u00e9cessaire\n

    Pas de m\u00e9lange, pas de gouttes, pas de d\u00e9chets<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

    Bandelettes nitrate\/nitrite MN \u00c0 quoi servent les mesures de nitrate et de nitrite ? Le nitrate (NO\u2083\u207b) et le nitrite (NO\u2082\u207b) sont d’importants compos\u00e9s azot\u00e9s en analyse de l’eau. La valeur limite du nitrate dans l’eau potable est de 50 mg\/l, celle du nitrite de 0,5 mg\/l (r\u00e8glement allemand sur l’eau potable). Les deux param\u00e8tres […]<\/p>\n","protected":false},"featured_media":33233,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[1023,948,949,2838],"product_tag":[],"class_list":["post-33205","product","type-product","status-publish","has-post-thumbnail","product_cat-kits-de-test-caldur","product_cat-nitrate-fr","product_cat-nitrites","product_cat-teststaebchen","first","instock","shipping-taxable","purchasable","product-type-simple"],"exclude_global_add_ons":[],"addons":[],"acf":[],"yoast_head":"\nBandelettes nitrate\/nitrite MN<\/title>\n<meta name=\"description\" content=\"Mesurer le nitrate et le nitrite en m\u00eame temps ! Bandelettes combi MN. 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