Zinc sulphate heptahydrate 99.5% for analysis
Supplier: Thermo Fisher Scientific
Certificates
About this item
CAS Number:7446-20-0
:
Formula:ZnSO₄·7H₂O
MDL Number:MFCD00149894
Merck Index:12,10293
Melting Pt:100 °C
Density:1,97 g/cm³ (20 °C)
Storage Temperature:Ambient
EINECS:231-793-3
UN:3077
ADR:9,III
:287.54 g/mol
:GHS07
:GHS05
:GHS09
Specifications
- Environmentally Preferable:
Specifications
Specification Test Results
- Appearance:White Crystalline powder or crystals and/or chunks
- Titration Complexometric:≥99.4 %
- pH:4.4 to 6.0 (5 % at 25°C)
- Chloride (Cl):≤5 ppm
- Arsenic (As):≤1 ppm
- Iron (Fe):≤10 ppm
- Lead (Pb):≤10 ppm
- Manganese (Mn):≤3 ppm
- Potassium (K):≤10 ppm
- Sodium (Na):≤10 ppm
- Nitrogen compounds (as N):≤0.002 %
Specification Test Results
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