توضیحات
پتاسيم دي هيدروژن فسفات 1 كيلوگرم كد 104873 كمپاني مرك آلمان
1.04873 Supelco
Potassium dihydrogen phosphate
for analysis EMSURE® ISO
Synonym: Monopotassium phosphate, Potassium dihydrogen phosphate, Potassium phosphate monobasic, mono-Potassium orthophosphate, Potassium biphosphate, Potassium phosphate monobasic, prim.-Potassium phosphate
- CAS Number 7778-77-0
- Linear Formula KH2PO4
- Molecular Weight 136.09
- MDL number MFCD00011401
- EC Index Number 231-913-4
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Analysis Note
Assay (alkalimetric, calculated on dried substance): 99.5 – 100.5 %
Assay (alkalimetric; dried substance): ≥ 99.5 %
pH-value (5 %; water): 4.2 – 4.5
Chloride (Cl): ≤ 0.0005 %
Sulfate (SO₄): ≤ 0.003 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0010 %
As (Arsenic): ≤ 0.0002 %
Cu (Copper): ≤ 0.0003 %
Fe (Iron): ≤ 0.0010 %
Na (Sodium): ≤ 0.02 %
Pb (Lead): ≤ 0.001 %
Reducing substances: passes test
Loss on drying (110 °C): ≤ 0.2 %
Loss on drying (130 °C): ≤ 0.2 %
Correspons to ISO
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