The Total Alkalinity Content( NaHCO3) % 99.0? 100.5 Loss on Dring% d0.20 PH Value( 10g/ 1) Solution d8.6 Arsentic Content% d0.0001 Heavy Metal Content d0.0005 White powder or tiny crystalls, nodorousand salty, easily soluble in water, insoluble in alcohol, presenting slightly alkalinity, decomposed when heating. Decomposed slowly when exposd to moist air. Uses: Used as food fermentation, detergent ingredient, carbondoxide foamer, pharmacy, leather, ore milling and metallurgy, detergent for wool, exting uisher and metal heat-treating, fiber and rubber industry, etc