... 1% maxIron0.001% max0.001% max0.003% maxInsoluble matter in water0.02% max0.04% max0.05% maxBurnt Loss0.6% max0.8 ... and scouring of cotton cloth and wool's degreasing. Used in manufacture of printing ink, photograph-drug, polyester, explosives, ... electroplating, tanning, ceramic, building materials, crystals and medicine. StorageStore in dry and ventilated house away from moisture. Don't store ...