SICHUAN TONGSHENG AMINOACID CO., LTD
Reference Standard
Product Name: H-DL-Glu-OH·HCL
Synonyms: DL-Glutamic Acid Monohydrochloride
Molecular Formula: C 5 H 9 NO 4 ·HCL
Molecular Weight: 183.59
Specifications:
Item |
Standard |
Appearance |
White crystals or crystalline powder |
State of solution (Transmittance) |
Clear and colourless Not less than 98.0% |
Chloride (Cl) |
19.11%to19.5% |
Ammonium(NH 4 +) |
Not more than 0.02 ©‡ |
Sulfate(SO 4 ) |
Not more than 0.02% |
Iron(Fe) |
Not more than 10ppm |
Heavy metal(Pb) |
Not more than 10ppm |
Arsenic(As 2 O 3 ) |
Not more than 1ppm |
Other amino acids |
Chromatographically Not detectable |
Loss on drying |
Not more than 0.50% |
Residue on ignition (sulfated) |
Not more than 0.10% |
Assay |
99.0 to101.0% |
pH |
1.0to2.0 |
Tele No.:0838-2274206