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Potassium hexacyanoferrate

Molecular formula

K₄[Fe(CN)₆].3H₂O

Molecular weight

422.39

CAS NO

13943-58-3

Characters

Yellow crystal or grain

Use

Used to test copper, zinc, protein, etc.

Specification

Analytically pure , chemically pure

Executive standard

GB/T 1273-1988.

Technical index

Name	Analytically pure (%)	Chemically pure(%)
Content	≥99.5	≥98.5
Water undissolved substance	≤0.005	≤0.01
Chloride(Cl)	≤0.005	≤0.02
Sulfate(SO₄)	≤0.005	≤0.01
Natrium(Na)	≤0.02	—

Packing

500kg for bottle packing, 40kg for pail packing, 25kg for paper plastic packing.

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