... plate, electronic circuits board of mordants, metallurgy industry of chlorinated agent, dyestuff industry of antioxidants and mordant, organic synthesis ... is to produce other physico-chemical process, pigment of materials and used in mining mineral.SpecificationTechnical indexFCS- ... 1.43FeCl2, %≤0.3Non-soluble in water, %≤0.5Free acid (HCl) %≤0.4Cd, %≤0.0001Hg, %≤0.00001Cr, %≤0.0005Pb, %≤0.001 price of ...