sodium sulfate anhydrous the making of sodium sulphide, water glass, or used in papermaking, glass, dyeing auxiliary, laxative;detergent Product name: Sodium Sulphate Anhydrous 99% min Package: in 50/1000kg bags Specification: Assay: ≥99% Water insoluble matter: ≤ 0.05% Calcium & magnesium (as Mg) : ≤0.15% Chloride (as Cl):≤ 0.35% Fe : ≤ 0.002% Moisture: ≤ 0.2% Whiteness(R457) : ≥ 82% Sodium Sulphate Sodium Sulfate Sodium Sulphate 99% Sodium Sulfate first grade Sodium Sulfate 99% Sodium Sulphate Sodium Sulfate Sodium Sulphate 99% Sodium Sulfate first grade Sodium Sulfate 99% Sodium Sulphate Sodium Sulfate Sodium Sulphate 99% Sodium Sulfate first grade Sodium Sulfate 99% Sodium Sulphate Sodium Sulfate Sodium Sulphate 99% Sodium Sulfate first grade Sodium Sulfate 99% Sodium Sulphate Sodium Sulfate Sodium Sulphate 99% Sodium Sulfate first grade Sodium Sulfate 99%