碳酸氢钠中的化学品

Sodium bicarbonate Molecular formula :CHNaO3 Molecular weight:84.01 EINECS:205-633-8 Use:It is mainly used in food, medicine, movie-making, tanning, dressing, metallurgy, textile fiber, rubber, detergent, fire-extinguishing,hametz and so on. Weight:25kg/bags .50kg/bags . Technical parameter Standard number:GB1887-1998 Sodium bicarbonate specifications: Total alkali(NaHCO3)99min Drying loss 0.20 max PH 910g/L 8.6 max Arsenic (As)0.0001 max Heavy metal(Pb) 0.0005 max Propetties: Appearance:white crystal powder Odor:odorless Melting Point :270°C Decomposition Temperature:50°C MIN Solubility:9g/100ml in water(@20°C) Handling: Use with adequate ventilation. Minimize dust generation and accumulation. Avoid prolonged or repeated contact with skin. Avoid breathing vapors from heated material. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Do not allow contact with water. Keep from contact with moist air and steam. Storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture Our manufacture sep as follows : Analysis ItemStandardAnalysis resultsDescripitionWhite powerwhite powerNaHCO3 content99.0%-100.5%99.88Heavy Metal(AsPb)≤0.0005%0.0005%As Content≤0.0001%0.0001%PH Content≤8.58.26Desiccation Vector≤0.20%0.010Ammonium saltPassed textPassed textDefacated degreePassed textPassed textNAXL Content≤0.400.15