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PASP for Water Treatment Chemical1
FertilizerPASPPolyaspartic Acid
Shandong Yurun Chemical Co., Ltd.
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Product Description PASP for Water Treatment Chemical Product Description Product Name Poly-L-aspartic acid 99%CAS No. 25608-40-6Purity 99%Appearance Powder/LiquidMolecular Formula C4H7NO4EINECS No. /PASP is a water soluble polymer, has good scale inhibition on calcium carbonate, calcium sulfate, barium sulfate, calcium phosphate, etc. Its scale inhibition rate for calcium carbonate is 100%. Moreover, PASP has dispersion and corrosion inhibition properties to metal equipment.PASP is an alternative of phosphor-containing Water Treatment Chemicals, avoiding water system eutrophication and second pollution. Product Specification Polyaspartic Acid Sodium Salt Solid/PowderPolyaspartic Acid Sodium Salt Liquid/SolutionSpecificationItemStandardTest ResultsIdentificationA.H-NMR:Comply with the structureComplies B.LC-MS:Comply with the structureComplies C.The IR spectrum of sample should be identical with that of reference standard;Complies D.HPLC-ESI-MSThe retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.CompliesCrystallinitymeets the requirements.CompliesLoss on drying≤2.0%0.19%Heavy metals≤10 ppm<10ppmWater≤1.0%0.1%Sulphated ash≤0.5%, determined on 1.0 g.0.009%Related substancesUnspecified impurities: for each impurity≤0.10%<0.10% Total Impurity≤0.5%0.18%Purity≥99.0%99.7%Assay99.0%~101.0% (anhydrous substance).99.8%Microbiological AnalysisTotal plate count≤1000cfu/gCompliesYeast and Moulds≤100cfu/gCompliesE. Coli.AbsentNegativeSalmonellaAbsentNegativeS.aureusAbsentNegativeStoragePreserve in well-closed, light-resistant and airtight containers.Complies Packaging & Shipping In 25kgs or 250kgs drum Contact Detalis Vanessa ZhaoSenior Business ManagerSHANDONG YURUN CHEMICAL CO.,LTDAdd: Yurun Building,Weifang City,Shandong Province,P.R.China.
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