... 9-11 and 6-8 Sodium Sulphate Anhydrous 99% min for detergent1. Specification:Chemical name: Sodium sulfate, anhydrousMolecular formula: Na2SO4Purity: ... water and glycerin, insolubled in ethanol.2. Usage:Mainly used for making the sodium silicate, glass, ceramic glaze, pulp, ... the national standard GB/T6009-2003, FIRST GRADEitemgradeNa2SO4 % ≥99.5%Ca Mg % ≤N/ACl % ≤0.19Whiteness ≥884. Package:N.W ...