欢迎来到 登录 未经易推广诚信审核

四川同晟氨基酸有限公司

产品介绍

L-谷氨酸  56-86-0 

价 格:¥电议

型 号:

产品完善度:

生产地:其他访问量:34次

发布日期:2015/3/24 14:39:13

更新日期:2016/4/15 10:33:28

详细内容

 

Item

Standard

Appearance

White crystals or crystalline powder

Specific rotation[α]20/D

(C=10 in 2N HCl)

+31.5 to +32.5°

Chloride (Cl)

Not more than 0.020%

Ammonium (NH4)

Not more than 0.02%

Sulfate (SO4)

Not more than 0.020%

Iron (Fe)

Not more than 10ppm

Heavy metal(Pb)

Not more than 10ppm

Arsenic(As2O3)

Not more than 1ppm

Other Amino Acids

Chromatographically

Not detectable

Loss on drying

Not more than 0.20%

Residue on ignition(sulfated)

Not more than 0.10%

Assay

99.0% to 101.5%

pH

3.0 to 3.5

提交询价

关闭