| ≥1 piece |
Appearance: White powder Molecular formula: C 6 H 10 CaO 6. x H 2 O( x =0 ～ 5)
Statutory No ： CAS CAS 28305-25-1 （ Anhydrous ）
Product specification: Molecular weight: 308.3
|
Item |
Index |
|
|
GB25555-2010 |
USP32 |
|
|
C 6 H 10 CaO 6 % |
98.0 ～ 101.0 |
98.0 ～ 101.0 |
|
Water solution test |
Pass the test |
-- |
|
Loss on drying % |
22.0 ～ 27.0 |
22.0 ～ 27.0 |
|
Free acid |
Meet the requirements |
≤ 0.45% |
|
Free alkali |
Meet the requirements |
-- |
|
Volatile fatty acid |
Meet the requirements |
Meet the requirements |
|
Arsenic ≤ |
0.0002% |
-- |
|
Heavy Metals ≤ |
-- |
0.002% |
|
Magnesium and alkali salts ≤ |
1.0% |
1.0% |
|
Lead （ Pb ） ≤ |
0.0002% |
-- |
|
Iron ≤ |
0.005% |
-- |
|
Chloride ≤ |
0.05% |
-- |
|
Sulfate ≤ |
0.075% |
-- |
|
Fluoride (F ) ， w /% ≤ |
0.0015% |
-- |
1. barium
Packaging and storage:
25kg/complex paper bag, or according to order. Keep airtight in a dry, clean, cool and ventilative place, away from light.