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Dipotassium tetraborate

Molecular formula

K₂B₄O₇.5H₂O

Molecular weight

323.51

CAS NO

12045-78-2

Characters

White crystal

Use

Used as disinfector

Specification

Analytically pure , chemically pure

Executive standard

Enterprise standard

Technical index

Name	Analytically pure (%)	Chemically pure(%)
Content	≥99.5	≥99.0
Water undissolved substance	≤0.005	≤0.01
Chloride(Cl)	≤0.001	≤0.002
Sulfate(SO₄)	≤0.005	≤0.01
Nitrate(NO₃)	≤0.005	≤0.005
Carbonate(CO₃)	qualified	qualified
Calcium(Ca)	≤0.005	≤0.005
Ferrum(Fe)	≤0.0005	≤0.001
Heavy metal(Pb)	≤0.001	≤0.002
Phosphate(PO₄)	≤0.001	≤0.002
Arsenic(As)	≤0.0005	≤0.0005

Packing

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

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