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China, Chinese STPP, Sodium Tripolyphosphate 90% 94%, Food Grade, Industrial Grade, Main Auxiliaries for Synthetic Detergent, Synergist for Soap; Water Softener,1 Industrial Products Supplier Manufacturer Details, price list catalog:
Inorganic SaltSodium Tripolyphosphate 90% 94%Food GradeIndustrial GradeMain Auxiliaries for Synthetic DetergentSynergist for Soap; Water Softener,Sodium TripolyphosphateSTPP
Qingzhou Zhongyuan Chemical Industry Co., Ltd.
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Product Description Our advantage: 1. Factory price, 2. Good Quality, 3. Free sample, 4. ISO Cerficate, 5. A long stable supplier, 6. Good support to you````````````````````````````````````````````````````````````````Specifications1. 94% Sodium Tripolyphosphate2. High quality with competitive price3. Professional manufacturer with 20 years experienceProduct Description: Manufacturer Supply 94% Sodium TripolyphosphateSodium triphosphate (STP, STPP or sodium tripolyphosphate or TPP, ) is an inorganic compound with formula Na5P3O10. It is the sodium salt of the polyphosphate penta-anion, which is the conjugate base of triphosphoric acid. It is produced on a large scale as a component of many domestic and industrial products, especiallyDetergents. Environmental problems associated with eutrophication are attributed to its widespreaduse. Preparation and propertiesSodium tripolyphosphate is produced by heating a stoichiometric mixture of disodium phosphate, Na2HPO4, and monosodium phosphate, NaH2PO4, under carefully controlled conditions. 2 Na2HPO4 + NaH2PO4 Na5P3O10 + 2 H2OIn this way, approximately 2 million tons are produced annually. STPP is a colourless salt, which exists both in anhydrous form and as the hexahydrate. The anion can be described as the pentanionic chain [O3POP(O)2OPO3]5-. Many related di-, tri-, and polyphosphates are known including the cyclic triphosphate P3O93-. It binds strongly to metal cations as both a bidentate and tridentate chelating agent. UsesIn detergentsThe majority of STPP is consumed as a component of commercial detergents. ItServes as a "builder, " industrial jargon for a water softener. In hard water(water that contains high concentrations of Mg2+ and Ca2+), detergents areDeactivated. Being a highly chargedchelating agent, TPP5- binds to dicationsTightly and prevents them from interfering with the sulfonate detergent. Food applicationsSTPP is a preservative for seafood, meats, poultry, and animal feeds. It is commonIn food production as E number E451. In foods, STPP is used as an emulsifier andTo retain moisture. Many governments regulate the quantities allowed in foods, asIt can substantially increase the sale weight of seafood in particular. The UnitedStates Food and Drug Administration lists STPP as "generally recognized as safe. ". Other usesOther uses (hundreds of thousands of tons/year) include "ceramics, leatherTanning(as masking agent and synthetic tanning agent - SYNTAN), anticaking, Setting retarders, flame retardants, paper, anticorrosion pigments, textiles, Rubber manufacture, fermentation, antifreeze. Packaging & DeliveryPackaging Detail: 25Kg double inner plastic and outer knitting bag, customer's demandDelivery Detail: Within 15 days after your advance payments Sodium Tripolyphosphate / STPPIndexesIndustrial GradeFood GradeAssay Na5P3O10 % ≥94.094.0P2O5 % ≥57.057.0Water Insoluble Matter %≤0.150.05Iron(Fe) %≤0.010.01PH value (1% water solution)9.2-10.09.5-10.0Heavy Metal (as Pb) %≤--0.001Arsenic (As) %≤--0.0003Fluoride (F) %≤--0.003Particle SizeThrough 16 mesh sieve %≥Through 35 mesh sieve %≥Trough 100 mesh sieve %≥ 95.090.040.0 95.090.040.0Whiteness %≥90.090.0
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