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| Sodium Pyrophosphate(SPP) |
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Chemical formula: Na4P2O7
Molecular weight: 265.9
Standard executed: HG/T2968-1999
Properties: White powder, easily soluble in water, relative density is 2.45, melting point is 890 degree centigrade, its water solution is alkaline, PH value of 1% water solution is 9.9-10.7
Technical Specifications:
1.Industrial grade:
(1)Main content(Min)%:96.5 (2)P2O5(Min)%:51.5 (3)Phosphate:Qualified (4)pH of 1% water solution:9.9-10.7 (5)Water insoluble(Max)%:0.20 (6)Sieve test(Through 60 mesh)(Min)%:90
2.Food grade:
(1)Main content(Min)%:96.5 (2)P2O5(Min)%:51.5 (3)Phosphate:Qualified (4)pH of 1% water solution:9.9-10.7 (5)Water insoluble(Max)%:0.20 (6)Arsenic, as As(Max)%:0.0003 (7)Fluoride, as F(Max)%:0.005 (8)Heavy metal, as Pb(Max)%:0.001 (9)Sieve test(Through 60 mesh)(Min)%:90
Application: Mainly used as detergent in washing, bleach in paper-making, electroplating, etc. For food grade it is mainly used as food additive. Buffering agent, emulsification agent, and nourishment, and modifying agent, etc.
Packing: Plastic-woven sack with polythene inner bag; Net weight:25kg, 50kg or 1000kg; Stored in ventilated and dry place. |
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| 2014/4/26 |
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