Síran železnatý heptahydrát 98.0-105.0% Ph. Eur.
Dodávateľ: VWR Chemicals
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Varování
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Synonymá:
Iron vitriol, Ferrous sulphate heptahydrate
24246.295EA
83.72
EUR
24246.295
24246.460
Síran železnatý heptahydrát 98.0-105.0% Ph. Eur.
Síran železnatý heptahydrát
Appearance: Light green, crystalline powder or bluish-green crystals, efflorescent in air.
Pozor: Not for use as Active Pharmaceutical Ingredient (API)
Vzorec:
FeSO₄·7H₂O Mw: 278.02 Teplota tavenia: 64 Hustota: 1.9 g/cm³ (20 °C) Skladovacia teplota: Ambient |
Číslo MDL:
MFCD00149719 Číslo CAS: 7782-63-0 EINECS: 231-753-5 Merck Index: 13,04091 |
Výsledky špecifikačného testu
Assay | 98.0 - 105.0 % |
Appearance | Conforms (see CoA/CoS) |
Identification (SO₄) | Passes test |
Identification (Fe) | 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): | |
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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