Product Detail

L-Glutamic acid	AJI97	EP6.0
Description	White crystals or crystalline powder	A white or almost white, crystalline powder or colourless crystals.
Solubility	/	Freely soluble in boiling water, slightly soluble in cold water, practically insoluble in acetic acid, in acetone and in alcohol
Identification	Conform	Conforms
Appearance of solution	/	Clarity of solution:10% water solution should be clear
		Colour of solution:10% water solution should be colourless
Assay	98.5%~100.5%	98.5~100.5%
pH	3.0~3.5	/
Transmittance	≥98.0%	/
Loss on drying	≤0.10%	≤0.5%
Residue on ignition	≤0.10%	≤0.1%
Chloride	≤0.020%	≤200ppm
Heavy Metals	≤10ppm	≤10ppm
Iron	≤10ppm	≤10ppm
Sulfate	≤0.020%	≤300ppm
Arsenic	≤1ppm	/
Ammonium	≤0.02%	≤200ppm
Other amino acids	Conforms	/
Pyrogen	Conforms	/
Ninhydrin-positive substances (TLC)	/	Conforms
Specific Rotation	+31.5°~ +32.4°	+30.5° to +32.5°