Certificates/Standards: | N; |
Monthly Output: | Not provided |
Regional: | - |
Packaging Information: | Not provided |
Mode Of Payment: | Not provided |
Delivery Lead Time: | Not provided |
Main Sales Markets: | North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East,Africa |
Sample Provided: | No |
Sample Policy: | Not provided |
Minimum Quantity: | Not provided |
质量指标 |
Specification |
GB25557-2010 |
含量(以干基计) w/% |
Content(Na4P2O7) |
96.5~100.5 |
水不溶物 ≤w/% |
Water Insolubles |
0.2 |
pH值(10g/L) |
PH Value |
9.9~10.7 |
正磷酸盐 |
Orthophosphate |
Passed |
砷(以As计) ≤mg/kg |
Arsenic (As As) |
3 |
重金属(以Pb计) ≤mg/kg |
Heavy Metal (As Pb) |
10 |
铅 ≤mg/kg |
Lead (as Pb) |
4 |
氟化物(以F计) ≤mg/kg |
Fluoride (As F) |
50 |
灼烧失重 ≤w/% |
Loss on Drying |
0.5 |
1、Chemical Name: SODIUM PYROPHOSPHATE
2、Molecular Formula : Na4P2O7
3、Molecular Weight:265.90
4、CAS: 13472-36-1
5、Character: It’s colorless transparent crystal or white crystalline powder. The relative density is 2.534 and melting point is 880℃. It’s easily soluble in water and insoluble in ethanol. It will weather in dry air and lose crystal water in 100℃. It easily absorbs water to deliquesce in air.
6、Usage: It is used as quality improver, regulator of PH value, chelating agent, emulsifier and binder in food industry. It also can be used in the processing of baking powder and cheese.
7、Packing: It is packed with polythene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
8、Storage and Transport: It should be stored in a dry and ventilate warehouse, kept away from water and moisture during transport, unload with care as to avoid being damaged. Furthermore, it must be stored separately from poisonous substances.