L-Glutamic Acid 99.0%-100.5%

1) Content: 98.5%
2) ISO 9001: 2000 certified
3) Supply Ability: 50000MT/ Year
4) Reliable Service

L-Glutamic acid is white crystal or crystal powder, odorless and have special taste and acid. It is insoluble in water. It can be used to medicine and food additive.

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Item	Standard
Appearance	White crystals or crystalline powder
Specific rotation[α ]20/D (C=10 in 2N HCl)	+31.5 to +32.4°
State of solution (Transmittance)	Clear and colorless not less than 98.0%
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 0.10%
Residue on ignition(sulfated)	Not more than 0.10%
Assay	99.0% to 100.5%
pH	3.0 to 3.5