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GB12493-90 (16.206) ; INS 327 ; EEC No. E 327 ; E 327 ; CAS 813-80 -2
C 6 H 10 CaO 6 .5H 2 O 308.0
Appearances:
White powder
| Item |
Index |
| GB6226-86 |
USP27 |
BP |
CP2000 |
| C 6 H 10 CaO 6 % |
≥ 98.0 |
98.0-101.0 |
98.0-102.0 |
98.0-103.0 |
| Water solution test |
Pass the test |
-- |
-- -- |
-- |
| Loss on drying % |
Meet the requirements |
22.0-27.0 |
22.0-27.0 |
Pass the test |
| Free acid |
≤ 0.45 % |
-- |
Meet the requirements |
-- |
| Free alkali |
Meet the requirements |
-- |
Meet the requirements |
-- |
| Volatile fatty acid |
Meet the requirements |
Meet the requirements |
Meet the requirements |
-- |
| Arsenic ≤ |
0.0003% |
-- |
-- |
0.0002% |
| Heavy metals ≤ |
0.002% |
0.002% |
20ppm |
10ppm |
| Magnesium and alkali salts ≤ % |
1.0 |
1.0 |
1.0 |
-- |
| Clarity and color of solution |
-- |
-- |
Meet the requirements |
-- |
| Barium |
-- |
-- |
Meet the requirements |
-- |
| Iron ≤ |
-- |
-- |
50ppm |
0.005% |
| Chloride ≤ |
-- |
-- |
200ppm |
0.05% |
| Sulfate ≤ |
-- |
-- |
400ppm |
0.075% |
| Organic volatile impurities |
-- |
Meet the requirements |
-- |
-- |
| L(+)Stereochemical purity ≥ |
97.0% |
-- |
-- |
-- |
Packaging and storage:
Preserve in well-closed container, store in cool, dry place.25 kg / paper plastic complex bag, or according to order.
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