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Amino Acids

L-Glutamic Acid

Description

Treat chronic hepatitis, hepatic coma, neurasthenia, epilepsy, gastric acid deficiency and other diseases; long-term use can improve the intelligence of children with neurological defects and reduce the effects of ammonia poisoning in the blood.

Details

Specification

L-Glutamic AcidCP2020EP11USP43
Assay≥98.5%98.5-100.5%98.5-100.5%
PH///
Specific rotation[a]D20+31.5°-+32.5°+30.5°-+32.5°+31.5°-+32.5°
Specific rotation[a]D25///
Transmittance(T430)≥98.0%//
Appearance of solution/clear & colorless/
Chloride(Cl)≤0.02%≤0.02%≤0.02%
Ammonium(NH4)≤0.02%≤0.02%/
Sulfate(SO4)≤0.02%≤0.03%≤0.02%
Iron(Fe)≤5PPM≤10PPM≤10PPM
Heavy metals(Pb)≤10PPM/≤15PPM
Arsenic≤1PPM//
Other amino acids≤0.50%/Individual impurities≤0.5%
Total impurities≤2.0%
Ninhydrin-positive substances/conform/
Loss on drying≤0.50%≤0.50%≤0.10%
Residue on ignition≤0.10%≤0.10%≤0.10%
Total plate count/≤ 1000 CFU/g/
Moulds & Yeasts/≤ 100 CFU/g/