| 1. Citric Acid Monohydrate, Fine Grade |
| Characteristics |
Colorless Crystals or White, Crystalline Powder |
| Chemical Formula |
C6H8O7.H2O |
| Molecular Weight |
210.14 g/mol |
| Identification |
in accordance with the tests of the British pharmacopoeia 2005 |
| Clearness and color of Solution: |
20% solution is clear and colorless |
| Oxalic Acid |
<350 ppm |
| Assay |
99.5-100.5% |
| Sulphated Ash |
Not more than 0.05% |
| Heavy Metal |
<1 ppm |
| Iron |
<1 ppm |
| Manganes |
<1 ppm |
| Lead |
<0.5 ppm |
| Arsenic |
<0.5 ppm |
| Sulphate |
<150 ppm |
| Chloride |
<5 ppm |
| Readily carbonizable substaces |
in accordance with the tests of the British pharmacopoeia 2005 |
| Water |
<8.8% |
| Fine Granulation (US-Standard Sieves) |
| >Sieve USS 28 (0.6 mm) |
max. 5 % |
| <Sieve USS 100 (0.15 mm) |
max. 10 % |
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| 2. Citric Acid Monohydrate, Normal Grade |
| Characteristics |
Colorless Crystals or White, Crystalline Powder |
| Chemical Formula |
C6H8O7.H2O |
| Molecular Weight |
210.14 g/mol |
| Identification |
in accordance with the tests of the British pharmacopoeia 2005 |
| Clearness and color of Solution: |
20% solution is clear and colorless |
| Oxalic Acid |
<350 ppm |
| Assay |
99.5-100.5% |
| Sulphated Ash |
Not more than 0.05% |
| Heavy Metal |
<1 ppm |
| Iron |
<1 ppm |
| Manganes |
<1 ppm |
| Lead |
<0.5 ppm |
| Arsenic |
<0.5 ppm |
| Sulphate |
<150 ppm |
| Chloride |
<5 ppm |
| Readily carbonizable substaces |
in accordance with the tests of the British pharmacopoeia 2005 |
| Water |
<8.8% |
| Granulation (US-Standard Sieves) |
| >Sieve USS 28 (1.19 mm) |
max. 5 % |
| <Sieve USS 100 (0.177 mm) |
max. 10 % |
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3. Citric Acid Anhydrous, Fine Grade
|
| Characteristics |
Colorless Crystals or White, Crystalline Powder |
| Chemical Formula |
C6H8O7 |
| Molecular Weight |
192.13 g/mol |
| Identification |
in accordance with the tests of the British pharmacopoeia 2005 |
| Clearness and color of Solution: |
20% solution is clear and colorless |
| Oxalic Acid |
<350 ppm |
| Assay |
99.5-100.5% |
| Sulphated Ash |
Not more than 0.05% |
| Heavy Metal |
<1 ppm |
| Iron |
<1 ppm |
| Manganes |
<1 ppm |
| Lead |
<0.5 ppm |
| Arsenic |
<0.5 ppm |
| Sulphate |
<150 ppm |
| Chloride |
<5 ppm |
| Readily carbonizable substaces |
in accordance with the tests of the British pharmacopoeia 2005 |
| Water |
<0.5% |
| |
|
| Fine Granulation (US-Standard Sieves) |
| >Sieve USS 28 (0.6 mm) |
max. 5 % |
| <Sieve USS 100 (0.15 mm) |
max. 10 % |
| |
|
| |
|
| 4. Citric Acid Anhydrous, Normal Grade |
| Characteristics |
Colorless Crystals or White, Crystalline Powder |
| Chemical Formula |
C6H8O7 |
| Molecular Weight |
192.13 g/mol |
| Identification |
in accordance with the tests of the British pharmacopoeia 2005 |
| Clearness and color of Solution: |
20% solution is clear and colorless |
| Oxalic Acid |
<350 ppm |
| Assay |
99.5-100.5% |
| Sulphated Ash |
Not more than 0.05% |
| Heavy Metal |
<1 ppm |
| Iron |
<1 ppm |
| Manganes |
<1 ppm |
| Lead |
<0.5 ppm |
| Arsenic |
<0.5 ppm |
| Sulphate |
<150 ppm |
| Chloride |
<5 ppm |
| Readily carbonizable substaces |
in accordance with the tests of the British pharmacopoeia 2005 |
| Water |
<0.5% |
| |
|
| Granulation (US-Standard Sieves) |
|
| >Sieve USS 28 (1.19 mm) |
max. 5 % |
| <Sieve USS 100 (0.177 mm) |
max. 10 % |
