We are a leading supplier of sodium bicarbonate in China, our products mainly export in large quantity. I give you detailed specification as follows, 1) Formula: NaHCO3 2) Total alkali (as NaHCO3): 99.0% - 100.5% 3) Cl: 0.4% max. 4) As: 0.0001% max. 5) Pb: 0.0005% max. 6) Loss on drying: 0.20% max. 7) PH value: 8.6 8) White crystal powder, easily dissolved in water and alkali solution, decomposes if heated 9) Packing: 25kgs or 50kgs plastic woven bags lined with one layer polythene bag. 10) Payment: T/T or L/C at sight