... paper industry, chemical industry, inorganic chemical raw materials and sulfate removal agent, coagulant of sodium alginate and control of wheat ... and other sodium.Usage:It is mainly used in producing anhydrous sodium carbonate,sodium hydrate,sodium metal, glauber salt, synthetic ... K) /%≤0.020.02 magnesium (Mg) /%≤0.002≤0.001 Barium(Ba) /%≤0.001ConformMagnesium and alkali /%--Heavy metal (Pb) /%≤0. ...