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5 Kilogram |
Negotiable |
L-Glutamic acid Glutamic L-Glutamic
AJI/USP standard
L-Glutamic Acid
Appearance |
White crystal or crystalline powder |
Specific optical rotation |
+31.5°~ +32.5° |
Chloride |
≤0.02% |
Ammonium (NH4) |
≤0.02% |
Sulfate(SO4) |
≤0.02% |
Iron(Fe) |
≤10ppm |
Heavy metal(Pb) |
≤10ppm |
Arsenic(AS2O3) |
≤1.0ppm |
Other amino acids |
Chromatographically not detected |
Loss on drying |
≤0.2% |
Residue on ignition |
≤0.1% |
PH |
3.0~3.5 |
Assay(On dry basis) |
99.0~105.0% |
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