Application:
Pharmaceutical ingredient
Food pigment, widely used in cake, beverage, sweet, etc.
raw material of Daily-use chemical, ie. green toothpaste and cosmetics.
Item |
Specification |
Appearance |
Dark green fine powder |
E1%1cm405nm Absorptance |
≥568 |
Assay |
≥100% |
Extinction Ratio |
3.0-3.9 |
Content of total copper |
≥4.25% |
Content of chelated copper |
≥4.0% |
Content of sodium |
5%-7% on dried basis |
Nitrogen determination |
≥4.0% |
Limited of ionic copper |
≤0.25% on dried basis |
Residue on ignition |
≤30% on dried basis |
Total Plate Count |
≤1000 cfu/g |
Yeast |
≤100 cfu/g |
Mould |
≤100 cfu/g |
Salmonella |
Negative |
E.Coli |
Negative |
PH |
9.5-10.7(in a solution 1 in 100) |
Loss Drying % |
≤5.0% (at 105℃ for 2 hours) |
Test of fluorescence |
No fluorescence is visible |
Residual solvent |
≤200PPM |