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Place of Origin
HS-CODE
10-
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Detailed Description
Physico-chemical properties: Sodium sulfate is white or yellow crystalline powder or small crystal, with a strong odor of SO2, the proportion of 1.4, soluble in water, acidic aqueous solution, with the strong acid is released SO2 exposure and generate the corresponding salts, long-home air , then oxidation of Na2S2O4, so the product can not be. Higher than 1500C, that is, decomposition of SO2. Purposes: for printing and dyeing industry, organic synthesis, printing, leather, pharmaceutical and other sectors; in food processing as preservatives, bleaching agents, osteoporosis agent. Packaging and storage: 1, packaging bag (barrel) should be firmly brushing the signs include: product name, class, weight and production plant name; 2, sodium pyrosulfite plastic packaging bags or barrels, lined with plastic bag, net weight 25 or 50kg; 3, the product transportation, storage should be prevented from breakage, moisture, thermal metamorphic event. Is prohibited with oxidants, acid co-existence; 4, the products from the date of production, storage period of 6 months.
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