Description
Ammonium Di-hydrogen Phosphate, also known as ammonium biphosphate or monoammonium phosphate (NH₄H₂PO₄), is a high-purity laboratory-grade chemical ideal for analytical and research applications. Supplied in a 500g pack, this reagent meets EMSURE® ACS standards, ensuring suitability for high-precision lab work.
This versatile compound is widely used in buffer solutions, fertilizers, flame retardants, and crystal growth experiments. Its low levels of impurities make it an excellent choice for chemical analysis and advanced research.
Key Specifications:
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Purity (Assay, acidimetric): ≥ 99.0%
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Insoluble Matter: ≤ 0.005%
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pH (5% solution at 25°C): 3.8 – 4.4
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pH (2.3% solution): approx. 4.2
Trace Impurity Limits:
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Chloride (Cl⁻): ≤ 0.0005%
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Nitrate (NO₃⁻): ≤ 0.001%
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Sulphate (SO₄²⁻): ≤ 0.005%
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Heavy Metals (as Pb): ≤ 0.0005%
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Calcium (Ca): ≤ 0.001%
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Iron (Fe): ≤ 0.001%
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Potassium (K): ≤ 0.005%
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Magnesium (Mg): ≤ 0.0005%
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Sodium (Na): ≤ 0.005%
This laboratory-grade Ammonium Di-hydrogen Phosphate is ideal for laboratories demanding precision and purity.

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