ammonium chloride /ammonium chloride 99.5%min. 1) Specification:\ Item 1st grade Nh4CL content (on dry basis),%≥ 99.5 Moisture content,%≤ 0.7 Remnant of combustion%≤ 0.4 Iron(Fe),% ≤ 0.001 Heavy metal (as Ph) content,% 0.0005 Sulphate content,% ≤ 0.02 PH Value(200g/L,25) 4.0-5.8 2) Property: white powdered crystals, specific gravity 1.532(17), easily absorbs moisture, and forming a cake, soluble in water, and the solubility varies as the temperature increases, sublimes 340. It appears strong corrosiveness. Uses: used in cell, oil refining, electroplate, ore dressing precision casting, tanning pharmaceutics industries, etc Packing: with outer polypropylene woven bag, lined with plastic film bag, net weight: 25kg/bag