|
 |
 |
L-Cystine |
| Molecular formula: |
C6H12N2O4S2 |
| Structural formula: |
 |
| Certificate of analysis |
|
Product name |
L-Cystine |
|
Batch No. |
YN011118 |
Quantity |
1000KG |
|
Delivered date |
2001.11.21 |
Examined date |
2001.11.18 |
|
Analysis Results |
|
Identification |
IR-spectrum corresponds to reference |
|
Appearance |
colorless crystal |
(FE) Iron |
10ppm |
|
Assay |
99.00% |
(Zn) Zinc |
|
|
Specific rotation |
-217.43 |
(Pb) heavy metals |
10ppm |
|
App of solution |
clear and colorless |
Ammonium |
180ppn |
|
Clarity |
98.00% |
Other amino acid |
Not detectable |
|
Chloride |
0.02% |
Loss on drying |
0.20% |
|
Sulfate |
200ppm |
Residue on ignition |
0.08% |
|
Arsenic |
1ppm |
other substance |
not detectable |
|
(HG) Mercury |
|
PH |
|
|
Remark |
|
|
Conclusion |
In complies with the specification of exporting AJI92 | | |
|
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