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Sodium tripolyphosphate(STPP)
| Sodium tripolyphosphate(STPP) |
Name: Sodium tripolyphosphate(STPP) Structure：  Molecular formula ：Na5O10P3 Molecular weight ：367.86 Cas No.7758-29-4 Specification: Surface Density,g/cm3Phase I,%CodeLMHABCSpecifications0.35-0.500.51-0.650.66-0.995-2021-40＞40Analysis ItemStandardExcellent gradeFirst grade Second grade Assay, %≥96.0≥90≥85Content(P2O5), %≥57.0≥56.5≥55.0Content(Fe), %≤0.007≤0.015≤0.030Water Insoluble,%≤0.10≤0.10≤0.15Whiteness,%≥90≥85≥80PH9.2-10.0 Application： ( 1 ) Used in softening water. ( 2 ) Used as peptizing agent, emulsifying agent. ( 3 ) Used as buffering agent. ( 4 ) Used as dryer. Packing: Can be made on the client's requirements |
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