- Plant Extract[1]
- Feed Additives[1]
- Food Additives[4]
- Organic Intermediate[2]
- Healthcare Supplement[2]
- Pharmaceutical[10]
- Contact Person : Ms. Yu Jacqueline
- Company Name : Ningbo Yuanfa Bioengineering Co., Ltd.
- Tel : 0086-574-88073367,13586894335
- Fax : 0086-574-88073568
- Address : Zhejiang,NINGBO,FANSHIDU VILLAGE, JIANGSHAN ,YINZHOU DISTRICT ,NINGBO 315100 CHINA
- Country/Region : China
- Zip : 315100
L-Serine
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Product Name:L-Serine ,pharmaceutical grade | Quantity: 1000Kgs | Batch No:20101016 |
Producing date: 2010.10.16 | Sampling date: 2010.10.16 | Send out date: 2010.10.16 |
Reference standard: usp28 | Packing: 25Kgs/Drum | Expiry date: 2012.10.15 |
Item |
Specifications |
Results |
description |
White crystals or crystalline powder |
White crystalline powder |
Assay ,% | 98.5% ~ 101.0% | 99.8% |
specific l rotation [a]D20° | Meets the requirements +14.0o ~ +15.6o | Meets the requirements +14.5o |
State of Solution | ≥98.0% | 99.3% |
Heavy metals ,%(as Pb) | ≤10PPM | <10PPM |
Loss on drying,% | ≤0.20% | 0.10% |
Residue on ignition,% | ≤0.1% | 0.04% |
Sulfate(SO4),%(as SO4) | ≤0.02% | <0.02% |
Ammonium(NH4) | ≤0.02% | <0.02% |
Iron(as Fe),% | ≤10PPM | <10PPM |
Chloride,% | ≤0.02% | <0.02% |
Other Amino acids | No Spot | conforms |
Conclusion: This product conforms to requirement of usp28 standard. | ||
L-Serine