I.Chemical name:TetrasodiumPyrophosphate,Sodium Pyrophosphate
II.Molecular Formula:Na₄P₂O₇
III.Molecular Weight:265.91
IV.Physical properties:White monoclinic crystal powder,soluble in water,insoluble in ethanol.Its water solution is alkalic.It is liable to deliquesce by moisture in the air.
V.Quality standard:GB1886.339-2021,FCC14,E450(ii)
VI.Usage:In food industry,used as quality improver,applied to can,fruit drinks,milk product,bean milk and so on.
VI.Packing:It is packed with polyethylene bag as liner and a paper plastic composite bag,or a compound plastic woven bag as the outer layer.The net weight of each bag is 25kg.
VlI.Storage and transport:It should be stored in a dry,ventilative and clean warehouse;kept away from moisture,heat and stored separately from poisonous substances.Handle with caution,so as to avoid damage to the packing bags.
|
指示名称
|
Index Item |
GB1886.339-2021 |
FCC14 |
E450(iii) |
|
鉴定
|
Identification
|
--
|
--
|
Passes Test
|
|
焦磷酸钠Na4P207,%
|
Tetrasodium Pyrophosphate Na4P207,%
|
96.5-100.5
|
95.0-100.5
|
≥95.0
|
|
P205,%
|
P205,%
|
--
|
--
|
52.5-54.0
|
|
水不溶物，≤%
|
Water Insoluble,≤%
|
0.2
|
0.2
|
0.2
|
|
PH(1%水溶液)
|
PH(1% aqueous solution)
|
9.9-10.7
|
--
|
9.8-10.8
|
|
砷(As),≤%
|
Arsenic(As),≤%
|
0.0003
|
0.0003
|
0.0001
|
|
重金属(以Pb计),≤%
|
Heavy Metals(as Pb),≤%
|
0.001
|
--
|
--
|
|
氟化物(以F计),≤%
|
Fluoride(as F),≤%
|
0.005
|
0.005
|
0.001
|
|
灼烧失重，≤%
|
Loss on Ignition,≤%
|
0.5
|
0.5
|
0.5
|
|
正磷酸盐试验
|
Orthophosphate
|
Passes Test
|
--
|
--
|
|
铅(Pb),≤%
|
Hg,≤%
|
0.0004
|
0.0004
|
0.0001
|
|
镉(Cd),≤%
|
Cd,≤%
|
--
|
--
|
0.0001
|
|
汞(Hg),≤%
|
Pb,≤%
|
--
|
--
|
0.0001
|
|
钠试验
|
Test for sodium
|
--
|
--
|
Passes test
|
|
磷酸试验
|
Test for phosphate
|
--
|
--
|
Passes test
|
