Zinc sulphate heptahydrate 99.0-103.0%, crystals, BAKER ANALYZED® ACS, J.T. Baker®

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4382-01EA 9488 INR
4382-04 4382-01 4382-R 4382-19
Zinc sulphate heptahydrate 99.0-103.0%, crystals, BAKER ANALYZED® ACS, J.T. Baker®
Zinc sulphate heptahydrate
Formula: ZnSO₄·7H₂O
MW: 287,56 g/mol
Melting Pt: 100 °C
Density: 1,97 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00149894
CAS Number: 7446-20-0
EINECS: 231-793-3
UN: 3077
ADR: 9,III
Merck Index: 12,10293

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Specification Test Results

Meets ACS Reagent Chemical Requirements
For Laboratory,Research,or Manufacturing Use
ACS - Assay (ZnSO₄7H₂O) 99.0 - 103.0 %
ACS - Insoluble Matter ≤ 0.005 %
ACS - pH of 5% Solution at 25°C 4.4 - 6.0
ACS - Nitrate (NO₃) ≤ 0.002 %
ACS - Ammonium (NH₄) ≤ 0.001 %
ACS - Calcium (Ca) ≤ 0.005 %
ACS - Lead (Pb) ≤ 0.003 %
ACS - Magnesium (Mg) ≤ 0.005 %
ACS - Potassium (K) ≤ 0.01 %
ACS - Sodium (Na) ≤ 0.05 %
Chloride (Cl) ≤ 5 ppm
Trace Impurities - Iron (Fe) ≤ 5 ppm
Trace Impurities - Manganese (Mn) ≤ 2.000 ppm

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