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 …
Ammoniac / Ammonium : quelle est la différence entre ces deux ... - Hach
Dec 1, 2022 · 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 (NH3) et l’ammonium (NH4+) sont-ils des substances …
L’ammoniac (NH3) et l’ammonium (NH4) sont en équilibre lorsqu’ils sont dissous dans l’eau. La proportion de NH3 et de NH4+ dans l’échantillon variera en fonction de la pression, de la …
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What does the Amtax sc analyzer actually measure? - Hach
The Amtax sc analyzer adds Sodium Hydroxide (NaOH) to adjust the pH and convert ammonium ions (NH4+) to gaseous Ammonia (NH3) which passes through an Ammonia gas selective membrane …
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 …
Chemistry Explained: Alkalinity - Hach
Aug 6, 2022 · Introduction: Alkalinity is a measure of the capacity of water to neutralize acids. Alkalinity of water is due primarily to the presence of bicarbonate, carbonate, and hydroxide ions. Salts of …
What are the possible interferences with the Hydrogen Peroxide ... - Hach
Aug 6, 2022 · Method information: The first reagent is the ammonium molybdate solution. It consists of molybdate and sulfuric acid. The molybdate is a catalyst for the reaction, and the acid brings the pH …
Chemistry Explained: Silica - Hach
Aug 6, 2022 · 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 …
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Nutrients Featured Ammonium Articles What does the Amtax sc analyzer actually measure? For the Amtax sc and Phosphax sc what amount of reagents, standards, and electrodes are required …