... sulphide, solid fused and flakes 60%min, Fe 10-1500ppm, packed in 25kg bags or 1000kg bag ... sulphide, solid fused and flakes 60%min, Fe 10-1500ppm, packed in 25kg bags or 1000kg bags ... .1500PPMSodium sulfide Sodium sulfide/Na2S(%)60.0MinFe/Fe(%)0.15MaxSodium carbonate/Na2CO3(%)5.0MaxWater insolubles/ ... (%)0.2Max50PPM/30PPMSodium sulfide/Na2S(%)60.0MinFe/Fe(%)0.005Max/0.003MaxSodium carbonate/Na2CO3(%)2. ...