| ≥1 piece |
Sodium Acetate occurs as colorless,transparent crystals or as a granular,crystalline or white powder.The anhydrous form is hygroscopic;the trihydrate effloresces in warm,dry air.One gram of the anhydrous form dissolves in about 2mL of water;1 g of the trihydrate dissolves in about 0.8mL of water and in about 19mL of alcohol.
|
Name of index |
FCC V |
E262(i) |
|
Identification |
Pass test |
Pass test |
|
Assay( C 2 H 3 NaO 2 ,on dried basis %) |
99.0-101 |
≥ 98.5 |
|
Alkalinity, % |
≤ 0.2 anhydrous ≤ 0.05 trihydrate |
--- |
|
Lead, mg/kg |
≤ 2 |
≤ 2 |
|
Loss on drying, % |
≤ 1.0 anhydrous 36.0-41.0 trihydrate |
≤ 2.0 anhydrous (120 ℃， 4hours) 36.0-42.0 trihydrate (120 ℃， 4hours) |
|
Potassium Compounds % |
Pass test |
|
|
PH(1% aqueous solution) |
--- |
8.0-9.5 |
|
Arsenic mg/kg |
--- |
≤ 3 |
|
Mercury |
--- |
≤ 1 |
|
Formic acid,formats and other oxidisable substances mg/kg |
--- |
≤ 1000 |