L-Glutamine
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Product Name: L-Glutamine
Batch No.: LZ******
Quality: USP37
Shelf Life: 2years
| Tests | Limits | Test results |
| Description | White crystals or crystalline powder | crystalline powder |
| Identification (IR) | Concordant with the reference spectrum | Concordant with the reference spectrum |
| A ssay | 98.5 ~ 101.5% | 9 8 .8 % |
| Specific rotation | 6.3 ° ~ 7.3 ° | 6. 8 ° |
| Chloride(Cl) | ≤0. 05 % | < 0.05 % |
| Sulfate(SO 4 ) | ≤0.03% | < 0.03% |
| Iron(Fe) | ≤30ppm | < 30 ppm |
| Heavy metals(Pb) | ≤ 1 5ppm | < 15ppm |
| Loss on drying | ≤0.30% | 0. 18 % |
| Residue on ignition | ≤0. 3 0% | 0.14 % |
| Other amino acids | ≤0. 5 % | < 0.5 % |
Product Name: L-Glutamine
Batch No.: LZ******
Quality: FCC7
Shelf Life: 2years
| Tests | Limits | Test results |
| Description | White crystals or crystalline powder | crystalline powder |
| Identification (IR) | Concordant with the reference spectrum | Concordant with the reference spectrum |
| A ssay | 98.5 ~ 101.5% | 9 8.6 % |
| Specific rotation | 6.3 ° ~ 7.3 ° | 6. 8 ° |
| Color | whitish | whitish |
| Aroma | None | None |
| Flavor | Slightly sweet | Slightly sweet |
| Heavy metals(Pb) | ≤5ppm | ﹤ 5 ppm |
| Loss on drying | ≤0.30% | 0. 18 % |
| Residue on ignition | ≤0.10% | 0.08 % |
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