Total alkalinity (NaHCO3)% 99.0-100.5Min Loss on drying % 0.20Max PH value (10g/l water solution) 8.5 Arsenic (As) % 0.0001Max Heave metals (as Pb)% 0.0005Max Ammonium salt pass test Clarity pass test Chloride (as Cl)% 0.40Max White 85Min Uses: Used as food fermentation, detergent ingredient, carbondoxide foamer, pharmacy, leather, ore milling and metallurgy, detergent for wool, extinguisher and metal heat- treating, fiber and rubber industries. Producing methods: