12kg poly pail of Sodium Sulfate, Anhydrous, Tracepur* Sodium sulphate Formula: Na2O4S MW: 142.04 g/mol Boiling Pt: 1429°C (1013 hPa) Melting Pt: 888°C Density: 2.7 g/cm³ (20°C) CAS Number: 7757-82-6 EINECS: 231-820-9 Specification Test Results Assay 99.0% min. Calcium 100 ppm max. Chloride 10 ppm max. Heavy metals (as Pb) 5 ppm max. Iron (Fe) 10 ppm max. Magnesium 50 ppm max. Nitrogen (as N) 5 ppm max. Phosphate (PO4) 10 ppm max. Potassium 20 ppm max.
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