CASR |
: | 7757-82-6 |
Molecular Formula |
: | Na2SO4 |
Molecular Weight |
: | 142.04 |
Specifications | |
---|---|
Appearance: | White solid |
Aqueous solubility: | 20 g in 100 ml at 20° C |
Assay: | Min. 99.0% Na2SO4 |
pH of a 5% solution at 25.0°c: | 5.2 - 9.2 |
Insoluble matter: | 0.01% Max. |
Loss on ignition: | 0.5% Max. |
Chloride(Cl): | 0.001% Max. |
Nitrogen compounds(N): | 5 ppm Max. |
Phosphate(PO4): | 0.001% Max. |
Heavy metal(as Pb): | 5 ppm Max. |
Iron(Fe): | 0.001% Max. |
Calcium(Ca): | 0.01% Max. |
Magnesium(Mg): | 0.005% Max. |
Potassium(K): | 0.01% Max. |
Particle size: | Not more than 5% pass through 60 mesh and not more than 5% retain through 30mesh |