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  1. Ammonia vs. Ammonium – what is the difference between these

    Ammonia and ammonium are different forms of nitrogen. The major factor that determines the proportion of ammonia to ammonium in water is pH. The activity of the ammonia is also influenced by ionic …

  2. Ammoniac / Ammonium : quelle est la différence entre ces deux ... - Hach

    L'ammoniac et l'ammonium sont des formes d'azote différentes. Le pH est le principal facteur qui détermine la proportion d'ammoniac par rapport à l'ammonium dans l'eau. L'activité de l'ammoniac …

  3. MyHach - Customer Service

    MyHach - Customer Service Loading × Sorry to interrupt CSS Error Refresh

  4. Chemistry Explained: Hardness - Hach

    Traditionally, either murexide indicator (ammonium purpurate) or Eriochrome Blue-Black R indicator is followed by titration with EDTA. CalVer 2 Calcium Indicator has been developed by Hach to replace …

  5. Where can I find information on how to determine ammonium using …

    Ammonium ions react with hypochlorite ions and salicylate ions as a catalyst for indophenol blue at pH 12.6 in the presence of sodium nitroprusside. Application:

  6. Chemistry Explained: Silica - Hach

    Some forms of silica (usually polymeric) will not react with ammonium molybdate and must be digested with sodium bicarbonate to be converted to a reactive form. Silicic acid reacts with water and …

  7. CSI Specifications: AMTAX sc Ammonium Analyzer - Hach

    Aug 6, 2022 · Complete engineering CSI specifications makes including the Amtax sc in your project easy. Includes editable Word and PDF format.

  8. In welcher Beziehung steht Ammonium (NH4) zu anderen …

    Stickstoff existiert in der Umgebung in vielen Formen und verändert sich beim Durchlaufen des Stickstoffkreislaufs. Zur Messung der verschiedenen Stickstoffformen gibt es viele Möglichkeiten.

  9. User Manual: AN-ISEsc / AISEsc / NISEsc Sensor (all languages) - Hach

    AN-ISE sc Sensor user manuals are available in the following languages: Bulgarian, Croatian, Czech, Danish, Dutch, English UK, English US, French, French - CA, German ...

  10. Will the Ammonia (Nitrogen) Test Strips, 0-6.0 mg/L detect ... - Hach

    The Ammonia (Nitrogen) Test Strips, 0-6.0 mg/L (Product # 2755325) will not detect quaternary ammonium compounds or residues. The test strips work by raising the pH of the sample to above 10 …