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Specification of Sodium Copper Chlorophyllin
English name: Sodium copper chlorophyllin
Molecular Fomula: C34H29CuN4Na3O6
Product Categories: Antioxidant;Biochemistry;Classes of metal Compounds;Cu (Copper) Compounds;
Porphyrins;Transition metal Compounds;Food & Flavor Additives
Item | Specifications | Results |
Characteristics | Dark green fine powder | Conforms |
Identification |
| |
Absorptance | 568min | 575.5 |
Assay | 100%min | 101.3% |
Ratio | 3.0-3.9 | 3.55 |
Other components |
| |
Content of total copper | Not less than 4.25% | 4.54% |
Content of chelated copper | Not less than 4.0% | 4.52% |
Content of sodium | 5%-7%on dried basis | 6.1% |
Nitrogen determination | Not less than 4.0% | 4.7% |
Impurities |
| |
Limit of ionic copper | Not more than 0.25% on dried basis | 0.02% |
Residue on ignition | Not more than 30% on dried basis | 27.5% |
Arsenic | Not more than 3ppm | 0ppm |
Lead | Not more than 10ppm | 4.2ppm |
Iron | Not more than 0.50% | 0.23% |
Specific tests |
| |
Total plate count | NMT 1000cfu/g | 0 |
Yeast | NMT 100cfu/g | 0 |
Mould | NMT 100cfu/g | 15 |
Salmonella | Negative | Conforms |
E.Coli | Negative | conforms |
PH | 9.5-10.7(in a solution 1 in100) | 10.57 |
Loss on drying | Not more than 5%(at 105℃ for 2 hours) | 3.25% |
Test for fluorescence | No fluorescence is visible | conforms |
Conclusion | The results conforms with USP35 |
Sodium Copper Chlorophyllin