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Specification Sheet

Product Name
Chromium(III) potassium sulfate dodecahydrate purum p.a., ≥98.5% (RT)

Product Number
60152

Product Brand
sigald

CAS Number
7788-99-0

Molecular Weight
499.40

Test

Specification

APPEARANCE (COLOR)Purple to Very Dark Purple
APPEARANCE (FORM)Crystals
REDOX TITRATION98.5 - 101.5 %
REDOXTITRATION (METHOD)IODOMETRIC
HALIDES (AS CHLORIDE)≤ 0.02 %
METAL TRACE ANALYSIS (ICP)CORRESPONDS TO REQUIREMENTS
CALCIUM (ICP)≤ 500 mg/kg
CADMIUM (ICP)≤ 50 mg/kg
COBALT (ICP)≤ 50 mg/kg
COPPER (ICP)≤ 50 mg/kg
IRON (ICP)≤ 200 mg/kg
SODIUM (ICP)≤ 1000 mg/kg
NICKEL (ICP)≤ 50 mg/kg
LEAD (ICP)≤ 50 mg/kg
ZINC (ICP)≤ 50 mg/kg