White crystal, and easily dissolved in water. Mainly used in battery, electroplate, dye and textile, foundry, hides process, wel Specifications: 1) Powder grade: (GB2946-92)2) NH4Cl (as dry basis): 99.5% min3) Heavy metal (as Pb): 0.0005% max4) Iron content: 0.0005% max5) Moisture: 0.5% max6) Sulphate (as SO4): 0.02% max7) Residue after ignition: 0.4% max8) PH value: 4.0 ~ 5.8Granular grade:1) Nitrogen content (dry basis) 97% min2) Moisture: 0.5% max3) Sodium content(as Na): 1.0% max4) Particle size: a) 4.0-2.0mm 60% min b) 1.0mm 3% maxOuter packing: 25kg / 1000kg