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Product Details
L-Tryptophan
| Packing: | Barrel |
|---|---|
| Model NO.: | AJI97 |
| Standard: | 25kg/Barrel |
| Productivity: | 3000kg/Month |
| Unit Price: | Negotiable |
| Shipment Terms: | CIF |
| Payment Terms: | L/C,T/T |
| Minimum Order: | 5 kg |
| Price Valid Time: | From Apr 20,2012 To Apr 19,2013 |
| Trademark: | Baishixing |
| Origin: | China |
| Packing: | Fiber Drum |
| Quality: | Food Grade |
| Appearance: | Powder |
| Classification: | Amino Acid |
| Export Markets: | North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe |
Product Description
White to yellowish white crystals or crystalline powder; Slightly bitter taste. Freelysoluble in formic acid, slightly soluble in water, very slightly soluble in ethanol, practically insoluble in ether. Dissolves in dilute hydrochloric acid.
| Name of product | L-Tryptophan | Manufactured date | / | ||
| Batch NO | / | Expiry Date | / | ||
| Net Weight | / | Date Of Test | / | ||
| Barrels | / | Quality Specification | USP 24 | ||
| Item | Standard | Analysis result | Item | Standard | Analysis result |
| Specific rotation | -29.4° ~ -32.8° | -31.6° | Transmittance | ||
| Assay | 98.5~101.5% | 99.5% | Sulphate( SO4 2- ) | ≤ 0.03% | < 0.03% |
| Ammonium(NH4 + ) | Iron(Fe) | ≤ 0.003% | < 0 . 003% | ||
| Heavy metal(Pb) | ≤ 0.0015% | < 0.0015% | Arsenic | ||
| Residue on ignition | ≤ 0.1% | 0.07% | Loss on drying | ≤ 0.3% | 0.12% |
| p H | 5 . 5-7.0 | 5 . 8 | Chloride(CL) | ≤ 0.05% | < 0.05% |
| Conclusion | Eligible | Remark | Impurity A | 6PPM | |
| Inspector | Tangfengqiong | Manager | Wanggang | ||
| Inspected company | Chengdu Baishixing Science and Technology Indystry Co., Ltd | ||||
