Järn(II)sulfat, heptahydrat, EMSURE® ACS, ISO, Reag. Ph. Eur. for analysis, Supelco®
: Merck
:7782-63-0
:
:FeSO₄·7H₂O
:MFCD00149719
:278.02 g/mol
:13,04091
:64 °C
:1,9 g/cm³ (20 °C)
:M-Clarity™ quality level = MQ300
:231-753-5
:GHS07
:Omgivande
- 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 %