L-亮氨酸

供货厂家
四川同晟氨基酸有限公司
报价
电议
联系人
赵 佳(先生)
电话
0838-2274206
手机
13981077607
询价邮件
amino@vip.sina.com
发布日期
2011-02-25 12:01
编号
542168
发布IP
220.166.0.150
区域
四川食品添加剂
地址
四川德阳市天山北路19号1-11座
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详细介绍
Specifications:
Item Standard Analysis data
Appearance White crystals or crystalline powder Conforms
Specific rotation[α]20/D
(C=4 in 6N HCl) +14.9 to +16.0° 14.90°
State of solution
(Transmittance) Clear and colorless
Not less than 98.0% Clear
98.0%
Chloride (Cl) Not more than 0.020% 0.02%
Ammonium (NH4) Not more than 0.02% 0.01%
Sulfate (SO4) Not more than 0.020% 0.008%
Iron (Fe) Not more than 10ppm 9ppm
Heavy metal(Pb) Not more than 10ppm 6ppm
Arsenic(As2O3) Not more than 1ppm conforms
Other amino acids Chromatographically
Not detectable Conforms
Loss on drying Not more than 0.20% 0.19%
Residue on ignition(sulfated) Not more than 0.10% 0.045%
Assay 98.5 to101.0% 98.9%
pH 5.5 to 6.5 6.06

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