Type: | Ferrous Fumarate |
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Appearance: | Powder |
Grade Standard: | Medicine Grade |
Character: | Orange Red or Reddish Brown Powder |
CAS No.: | 141-01-5 |
Molecular Weight: | 169.90 |
Samples: |
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Customization: |
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Item | Limit |
Characters | Orange red or reddish brown powder. |
Identification | The IR absorption of a potassium bromide dispersion of the dried precipitate exhibits maxima only at the same wavelengths as that of a similar preparation of USP Fumaric Acid RS. |
IDENTIFICATION TESTS-GENERAL, Iron:A portion of the filtrate obtained in Identification test A meets the requirements. | |
Sulfate | Not more than 0.2%: Each mg of residue is equivalent to 0.412mg of sulfate(SO4) |
Arsenic | Not more than 3ppm |
Ferric iron | Not more than 2.0% |
Lead | Not more than 10ppm: The absorbance of the Sample solution does not exceed that of the Standard solution. |
Mercury | Not more than 3μg/g: The color developed by the Sample solution is not more intense than that developed by the Control solution. |
Loss on drying | Not more than 1.5% |
Zine | Not more than 0.05% |
Cobalt | Not more than 0.002% |
Nickel | Not more than 0.05% |
Chromium | Not more than 0.02% |
Plumbum | Not more than 0.002% |
Assay | 97.0% to 101.0% on the dried basis |
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