... baking powder and sodium pyrophosphate. In food industry, it is used as quality improver, emulsifier, and nourish-supplement agent, fermentation ... : In double layer bags of net weight of 25 Kg or 50 Kg, store at a cool, ... 3 Sulfate, as SO4 %≤ 0.7 0.25 4 Heavy metals, as Pb %≤ 0.001 0.001 5 Arsenic, as As %≤ 0 ... .0003 0.0003 6 Fluoride, as F ...