L-肌肽COA丨305-84-0
|
Product name |
L-Carnosine |
Manufacture |
06.22.2021 |
|
Batch number |
LJT210622 |
Analysis |
06.22.2021 |
|
Batch quantity |
500kg |
Expiry |
06.21.2021 |
CERTIFICATE OF ANALYSIS
|
ANALYSIS |
SPECIFICATION |
RUSULT |
|
Assay by (HPLC) |
99% |
99.51% |
|
Characters appearance |
White to a |
Complies |
|
Odor and taste |
Odorless |
Complies |
|
Solubility |
Practically insoluble organic solvents,soluble in water |
Complies |
|
Melting Point |
250.0-265°C |
254.0-259.1°C |
|
Mesh size/sieve analysis |
100%pass 80 mesh |
Complies |
|
Loss on drying |
1%Max |
0.73% |
|
PH(in 2% water） |
7.9-8.5 |
8.2 |
|
Total ash |
1%Max |
0.20% |
|
Residue on ignition |
0.1%Max |
Complies |
|
Specific rotation |
+20—+22° |
+21.2° |
|
Chemical Control Heavy Metals Pesticides Residues |
10ppm Max NMT 1ppm |
Complies Complies |
|
Microbiologcal Control Total Plate Count Fungi Salmonella Coli |
1000 cfu/g Max <100/g Negative Negative |
79 cfu/g Negative Negative Negative |
