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Trisodium Phosphate

Trisodium Phosphate
Trisodium Phosphate
Offer Type: Sell
Offer Post Time: 2009-05-26
Expiration Date: 2010-05-26
Details: Sodium phosphate
Chemical Name: Sodium phosphate
Molecular Formula: Na3PO4.12H2O
Molecular Weight: 380.12
Properties: Colorless acicular 60, 000 crystal system crystallization. May dissolve in the water, does not dissolve in not machine the solvent; Relative density 1.62(20 Centigrade); Melting point 73.3-76.7Centigrade (decomposition); Makes decent in the dry air, 100Centigrade when namely loses 12 crystal water to become the anhydrous substance (Na3PO4). The water-soluble fluid assumes the alkalinity, has certain corrosive nature to the skin.
Quality Standard: HG/T2517-93

Specifications:
Item Details
Best quality First quality Qualifier
Sodium phosphate(Na3PO4@12H2O)Assay %¡Ý 98.5 98.0 95.0
Sulphates(SO42-) %¡Ü 0.50 0.50 0.80
Chlorides CI-) %¡Ü 0.30 0.40 0.50
Insol. In waterAssay %¡Ü 0.05 0.10 0.30
The methyl orange alkalinity (Na2O) 16.5~19.0 16.0~19.0 15.5~19.0
Fe %¡Ü 0.01 - -
As %¡Ü 0.005 - -

Use: In the metallurgy, the chemical industry, the spinning and weaving, the printing, the papermaking, mechanical and electrical and so on in the industries serve as the water the softener, the boiler pipe clean and the detergent; The metal rust-preventing agent, the dye intermediate drying agent, makes the sugar syrup the scavenger, the photography developing agent, the fabric silken luster of mercerized cotton cloth intensifier, the rubber latex peptizer, the dentistry binding agent; Also has certain application in the medicine preparation aspect.

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