Chromium(III) potassium sulfate dodecahydrate, black crystals ACS

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Chromium(III) potassium sulfate dodecahydrate, black crystals ACS

Chromium (III) potassium sulphate dodecahydrate

Chromium potassium sulfate is the potassium double sulfate of chromium.

Grade : ACS
Assay : 98.0 - 102.0%
Key Applications : Tanning of leather; Used in gelatine emulsions in photographic film as hardener
Application Areas : tanning of leather, used in gelatine emulsions in photographic film as hardener
Product Type : Inorganics
Presentation :Black Crystals
Heavy Metals : <0.01% (as Pb)
Insoluble Matter : <0.01%
NOTES : Chloride (Cl) <0.002%, Aluminum (Al) <0.02%, Iron (Fe) <0.01%, Ammonium (NH4) <0.01%
Solubility : Soluble in water.

Formula: CrK(SO₄)₂·12H₂O
MW: 499.4 g/mol
Melting Pt: 89 (lit.)
Density: 1.89 g/cm³ ((20 °C))
Storage Temperature: Ambient

MDL Number: MFCD00149917
CAS Number: 7788-99-0
Merck Index: 13,02250

Specification Test Results

Assay	98.0 - 102.0%
Insoluble Matter	0.01%
Chloride (Cl)	0.002%
Aluminum (Al)	0.02%
Iron (Fe)	0.01%
Ammonium (NH4)	0.01%

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