Product Certification&
Enterprise Certification
Country: China (Mainland)
Business Type:Trading Company
Tel: 86-571-87750367
Mobile: 86-18268089214
Tel: 86-571-87750367
Fax:
URL: http://www.clakebiotech.com
Province/state: zhejiang
City: hangzhou
Street: RUIBO INTERNATIONAL ,HANGZHOU ,CHINA
MaxCard:
1. GMP AVALIABLE ;
2. IN STOCK
3. FAST REPLY
QUALIFED ; EFFICIENCY; RESPONSIBLE
产品名称:L-色氨酸 Product Name: L-tryptophan |
数量: Quantity:1000kg |
批号: BatchNo:210424019 |
生产日期: Producing date: 2021.04.24 |
取样日期: Sampling date: 2021.04.25 |
报告日期: Send out date: 2021.04.26 |
参照标准:USP36 Reference standard: USP36 |
包装: Package: 25kg/drum |
有效期: Expiry date: 2023.04.23 |
项 目 Item |
规 格 Specifications |
分 析 结 果 Results |
外观 Appearance |
白色结晶或结晶性粉末 White crystals or crystalline powder |
白色结晶性粉末 Conforms |
含量 ,% ≥ Assay ,% min |
98.5~101.5 |
99.5 |
Ph值 Ph value |
5.5-7.0 |
5.9 |
比旋度 Specific rotation |
-29.4°~ -32.8° |
-30.8° |
干燥失重,% ≤ Loss on drying,% max |
0.3 |
0.11 |
炽灼残渣,% ≤ Residue on ignition,% max |
0.10 |
0.05 |
氯化物(以Cl计),% ≤ Chloride (as Cl),% max |
0.05 |
<0.05 |
硫酸盐(以SO4计),% ≤ Sulphate(as SO4),% max |
0.03 |
<0.03 |
铁盐(以Fe计),% ≤ Iron (as Fe) , % max |
0.003 |
<0.003 |
重金属 (以Pb计),% ≤ Heavy metals (as Pb),% max |
0.0015 |
<0.0015 |
结 论:本品经检验符合USP36规定 Conclusion: This product conforms to requirements of USP36 grade standard. |