manufacture and sell phosphorous acid 99% from PCL3, 98.5% of by product in bluk at cheap price Specifications:MAIN CONTENT, AS H3PO3 MIN 98.5%P2O5 MIN 80%IRON, AS Fe MAX 0.005%CHLORIDE, AS Cl MAX 0.02%SULPHATE, AS SO4 MAX 0.01%PHOSPHATE, AS PO4 MAX 0.6%As MAX 2mg/kgCd MAX 4mg/kgPb MAX 20mg/kgCr MAX 40mg/kgHg MAX 0.05mg/kgAPPEARANCE PURE WHITHE CRYSTAL WITHOUT ODOR.Application:In industry and ...
