Complaint
| Ferrous Fumarate | BP2010 standard | FCCV Standard | USP30 | Results | ||
| Assay | ≥93.0% | 97.0~101.0% | 97.0%~101.0% | 97.85% | ||
| (105ºC) Loss on drying | ≤1.0% | ≤1.5% | ≤1.5% | 0.52% | ||
| Sulfate | ≤0.2% | ≤0.2% | ≤0.2% | <0.2% | ||
| Ferric salt | ≤2.0% | ≤2.0% | ≤2.0% | <2.0% | ||
| Arsenic | ≤5ppm | / | ≤3ppm | <3ppm | ||
| Lead | ≤0.001% | ≤2 mg/kg | ≤10ppm | <0.001% | ||
| Heavy metal | ≤50ppm | / | / | <50ppm | ||
| Mercury | / | ≤3 mg/kg | ≤3ppm | <3 mg/kg | ||
| Organic volatile impurities | qualified | / | Meets the requirements | qualified | ||
