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siarczan żelaza (II) heptahydrat 98.0-105.0% Ph. Eur.

Dostawca: VWR Chemicals
Uwaga

24246.295EA 426 PLN
24246.295 24246.460
siarczan żelaza (II) heptahydrat 98.0-105.0% Ph. Eur.
siarczan żelaza (II) heptahydrat

Appearance: Light green, crystalline powder or bluish-green crystals, efflorescent in air.


Uwaga: Not for use as Active Pharmaceutical Ingredient (API)

Formuła: FeSO₄·7H₂O
MW: 278,02 g/mol
Temp. topnienia: 64 °C
Gęstość: 1,9 g/cm³ (20 °C)
Temperatura przechowywania: Temperatura otoczenia
Numer MDL: MFCD00149719
Numer CAS: 7782-63-0
Numer WE (dawny EINECS): 231-753-5
Klasyfikacja Merck : 13,04091

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Wyniki testów specyfikacyjnych

Assay 98.0 - 105.0 %
Appearance Conforms (see CoA/CoS)
Identification (SO₄) Passes test
Identification (Fe) Passes test
Solution S Passes test
pH (5 %) 3.0 - 4.0
Cl (Chloride) ≤ 200 ppm
Elemental impurities (Cr) ≤ 50 ppm
Elemental impurities (Co) ≤ 25 ppm
Elemental impurities (Cu) ≤ 50 ppm
Elemental impurities (Ni) ≤ 50 ppm
Ferric ions ≤ 0.3 %
Mn (Manganese) ≤ 0.1 %
Zn (Zinc) ≤ 50 ppm
Residual solvents Unlikely by manuf.process
Residual metal catalysts (skip lot): Max. 20 ppm
As (Arsenic) ≤ 2 ppm
Cd (Cadmium) ≤ 20 ppm
Hg (Mercury) ≤ 2 ppm
Pb (Lead) ≤ 5 ppm
V (Vanadium) ≤ 2 ppm
Conforms to Ph.Eur. Passes test

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