Ammonia vs. Ammonium – what is the difference between these
Dec 1, 2022 · 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 …
Chemistry Explained: Hardness - Hach
Jul 15, 2024 · 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 …
Technical datasheet EZ4000 Series Ammonium - support.hach.com
Technical data - Drawings - Service packages - Order informationArticle Number
CSI Specifications: AMTAX sc Ammonium Analyzer - Hach
Complete engineering CSI specifications makes including the Amtax sc in your project easy. Includes editable Word and PDF format.
What does the Amtax sc analyzer actually measure? - Hach
Sep 27, 2022 · 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 …
What are the possible interferences with the Hydrogen Peroxide ... - Hach
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 down, which is …
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 …
Chemistry Explained: Chemical Oxygen Demand (COD) - Hach
Oct 26, 2022 · The final amount of dichromate is most commonly determined by direct titration using ferrous ammonium sulfate as the titrant and “ferroin” (1,10-phenanthroline ferrous sulfate) as the …
User Manual Amtax sc - Hach
Sep 26, 2022 · Amtax sc user manuals are available in the following languages: Bulgarian, Croatian, Czech, Danish, Dutch, English UK, French, German, Greek, Hungarian, Italian ...
User Manual NH6000sc
May 6, 2025 · User-Manual-NH6000scEZ Series Nutrients Nutrients Manuals Process Ammonium