... ) 99.8%min 1) purity 99.8%min. 2) MF:NaHCO3 3) white powder 4) 25KG/BAG, 50KG/BAG, 1000KG/BA Sodium bicarbonate (baking soda) 99.8%min1 ... standard: (GB1887-2007) itemgradeTotal base(as NaHCO3)%≥ 99.82Moisture content,%≤ 0.15PH value( 10g /L),%≤ 8.28Arsenic(As), %≤ 0.0001Heary metals (as ... woven bag, lined with plastic film. Sodium bicarbonate (baking soda) 99.8%min