... white crystalline powder FOB WUHAN : 90USD PER TON sodium sulfate,anhydrous Na2SO4 99%white crystalline powderFOB WUHAN : 90USD PER TONSodium ... GB/T6009-2003 Item Company standard 2003 Product QualitySodium sulfate(%)≥99.099.18Water-incompatible solution(%)≤0.050.03Calcium,magnesium(count ... car, with covering matter, avoid rain SSA23 sodium sulfate,anhydrous Na2SO4 99% CAS NO 7756-82-8