ammonium chloride tech grade 99.5% white granular/

GB/T2946-2008 (2009 Nian 8 1st) started, the product is divided into industrial and agricultural use ammonium chloride, ammonium chloride two categories, in which first-class product quality standards for industrial ammonium chloride are as follows: 1) Appearance: white crystal 2) ammonium chloride content (dry basis) "99.5% 3) The moisture content of "0.7% 4) Residue on ignition "0.4% 5) The iron content, "0.001% 6) The heavy metal content (Pb) "0.0005% 7) Sulfate (as SO42-meter) "0.05% 8) PH Value :4.0-5.8 Type salt http://jnkhhg.preview.alibaba.com/?refresh=all