... .80 Water insoluble matter,% ≤ 0.01 ≤ 0.03 ≤ 0.03Chloride (as Cl) content,% ≤ 0.15 ≤ 0.20 ≤ 0.30 Sulfate (SO4 ... ) content,%≤ 0.01 ≤ 0.02 ≤ 0.02 Chromate (as CrO4 dollars) content,%≤ 0.01 ≤ 0.02 ≤ 0.02 Iron ... ) content,% ≤ 0.005 ≤ 0.03 ≤ 0.05 Uses: Main use: used as oxidant, and the system of chlorates, herbicides, pharmaceuticals, also used ...