求购硫酸铝

17%GRANULAR, COMMERCIAL, GRADE TO PASS 10 S ON , 24S MESH. FOR WATER TREATMENT, IN (50 KG. 6 PLAY PAPER BAG) AL2O3 17% TOTAL SO3 39.15% TOTAL IRON AS FE2O3 0.8-MAX0.9% FERRIC IRON AS FE2O3 0.9% BASIC SO3 1.7% ARSENIC (AS) 10P.P.M INSOLUBLE 0.14%

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