توضیحات

پتاسيم سولفات 500گرم كد 105153 كمپاني مرك آلمان

1.05153 Supelco

Potassium sulfate

for analysis EMSURE^® ACS,ISO,Reag. Ph Eur

Synonym: Potassium pyrosulfate, Potassium sulfate

• CAS Number 7778-80-5
• Empirical Formula (Hill Notation) K₂O₄S
• Molecular Weight 174.26
•  MDL number MFCD00011388
•  EC Index Number 231-915-5

• Analysis Note

  Assay (alkalimetric): ≥ 99.0 %
  Insoluble matter: ≤ 0.01 %
  pH-value (5 %; water, 25 °C): 5.5 – 7.5
  Chloride (Cl): ≤ 0.0005 %
  Total nitrogen (N): ≤ 0.0005 %
  Heavy metals (as Pb): ≤ 0.0005 %
  As (Arsenic): ≤ 0.0002 %
  Ca (Calcium): ≤ 0.005 %
  Fe (Iron): ≤ 0.0005 %
  Mg (Magnesium): ≤ 0.002 %
  Na (Sodium): ≤ 0.02 %
  Corresponds to ACS,ISO,Reag. Ph Eur

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