Specifications:

1) Powder grade: (GB1887-1998)

2) Total alkali content: 99% min

3) PH value: 8.6 max

4) Heavy metal content (as Pb): 0.0005% max

5) Arsenic content (as As): 0.0001% max

6) Loss in drying: 0.2% max

7) Clearness: pass

8) Ammonium salt : pass

9) Iron content: 0.001% max

10) Chloride (as Cl-): 0.1% max

Outer packing: 25kgs or 50kgs plastic woven bags lined with layer polythene bag.