توضیحات

پتاسيم دي هيدروژن اورتو فسفات 1 كيلوگرم كمپاني سیگما آلدریچ

Potassium dihydrogen phosphate

for analysis AnalaR

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

• Analysis Note

  Assay (alkalimetric): ≥ 99.0 %
  Assay (alkalimetric, calculated on dried substance): 98.0 – 100.5 %
  Assay (alkalimetric; dried substance): ≥ 99.5 %
  Identity: passes test
  Appearance of solution: passes test
  Insoluble matter: ≤ 0.01 %
  pH-value (5 %; water, 25 °C): 4.3 – 4.4
  Chloride (Cl): ≤ 0.0005 %
  Sulfate (SO₄): ≤ 0.003 %
  Total nitrogen (N): ≤ 0.001 %
  Heavy metals (as Pb): ≤ 0.0010 %
  Heavy metals (ACS): ≤ 0.001 %
  As (Arsenic): ≤ 0.0002 %
  Fe (Iron): ≤ 0.0010 %
  Na (Sodium): ≤ 0.005 %
  Reducing substances: passes test
  Loss on drying (130 °C): ≤ 0.2 %
  Corresponds to ACS,ISO,Reag. Ph Eur