Customization: | Available |
---|---|
Type: | Cysteine |
Chemical Character: | Acidity |
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Item | Specification |
Characters | White crystals or crystalline powder |
Identification | Infrared Absorption |
Specific rotation [α]D20 | +21.3 to +27.0° |
State of solution (Transmittance) | Clear and colorless Not less than 98.0% |
Chloride(Cl) | Not more than 0.04% |
Ammonium(NH4) | Not more than 0.02% |
Sulfate(SO4) | Not more than 0.030% |
Iron(Fe) | Not more than 10ppm |
Heavy metals(Pb) | Not more than 10ppm |
Lead | Not more than 3ppm |
As2o3) | Not more than 1ppm |
Cad. | Not more than 1ppm |
Mer. | Not more than 0. 1ppm |
Other amino acids | Chromatographically Not detectable |
Loss on Drying | Not more than 0.5% |
Residue on ignition(sulfated) | Not more than 0.20% |
Assay | 98.5 to 101.0 % |
pH | 2.0 to 2.8 |
Total plate count | Less than 1000 cfu/g |
Yeast & molds | Less than 100 cfu/g |
Enterobacteriaceae | Negative |
E Coli | Negative |
Salmonella | Negative |
Staphylococcus | Negative |
25KG/DRUM