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Eisen(II)sulfat Heptahydrat, EMSURE® ACS, ISO, Reag. Ph. Eur. zur Analyse, Supelco®
Eisen(II)sulfat Heptahydrat, EMSURE® ACS, ISO, Reag. Ph. Eur. zur Analyse, Supelco®
Supplier:  Merck
Certificates
Eisen(II)sulfat Heptahydrat, EMSURE® ACS, ISO, Reag. Ph. Eur. zur Analyse, Supelco®
Supplier:  Merck
Certificates

Specification Test Results

  • Assay (manganometric):
    99.5 - 102.0 %
  • Identity:
    passes test
  • Appearance of solution:
    passes test
  • Insoluble matter:
    ≤ 0.01 %
  • pH-value (5 %; water):
    3.0 - 4.0
  • Chloride (Cl):
    ≤ 0.0005 %
  • Phosphate (PO₄):
    ≤ 0.001 %
  • Total nitrogen (N):
    ≤ 0.001 %
  • Heavy metals as Pb:
    ≤ 0.005 %
  • As (Arsenic):
    ≤ 0.0002 %
  • Ca (Calcium):
    ≤ 0.005 %
  • Cr (Chromium):
    ≤ 0.0050 %
  • Cu (Copper):
    ≤ 0.001 %
  • Fe III (Iron III):
    ≤ 0.02 %
  • K (Potassium):
    ≤ 0.002 %
  • Mg (Magnesium):
    ≤ 0.002 %
  • Mn (Manganese):
    ≤ 0.05 %
  • Na (Sodium):
    ≤ 0.02 %
  • Ni (Nickel):
    ≤ 0.0050 %
  • Pb (Lead):
    ≤ 0.0005 %
  • Zn (Zinc):
    ≤ 0.0050 %
  • Co (Cobalt):
    ≤ 0.0025 %

Specification Test Results

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