Grade
|
pharmaceutical
|
FOOD
|
Technical
|
Sodium Acetate(on the anhydrous basis)
|
98.0-101.0
|
98.0-101.0
|
58.0-60.0
|
pH of a 5% solution at 20℃
|
7.5-9.0
|
7.5-9.0
|
7.5-9.0
|
Water(loss on drying,120℃,240min)%≦
|
38.0-41.0
|
36.0-41.0
|
36.0-41.0
|
Insoluble matter%≦
|
0.05
|
|
0.05
|
Heavy metals(as Pb)%≦
|
0.001
|
0.001
|
|
Free alikali(as Na2CH3)%≦
|
|
0.05
|
|
Arsenic(As)ppm≦
|
|
0.0003
|
|
Chloride(Cl)%≦
|
0.035
|
|
0.5
|
Sulfate(SO4)%≦
|
0.005
|
|
0.1
|
Iron(Fe)%≦
|
|
|
0.001
|
Calcium(Ca)%≦
|
To pass test
|
|
|
Magnesium(Mg)%≦
|
To pass test
|
|
|
Potassium(K)%≦
|
To pass test
|
To pass test
|
|
Phosphate(PO4)%≦
|
|
|
|
Organic volatile impurities
|
To pass test
|
|
|
Potassium permanganate insolubles
|
To pass test
|
|
|
Hg
|
|
1ppm
|
|
Lead
|
|
5ppm
|
|
Reducing Substance(formic acid)%≦
|
|
0.1%
|
|
Packing:25 kgs Craft Bag or 1000kgs Container Bag.
Application: Sodium Acetate Trihydrate is used in the pharmaceutical industry,as a buffer in the photographic industry and as a supplement for animal feeds to increase the milk fat production of dairy cattle.It is also used in the production of dye stuffs,as a polymerization catalyst,as a polymer stabilizer,as a flavouring agent,and in the manufacture of hydroxyl oximes,which are uesd as extractants in hydrometallurgy.