Product Detail

L-Alanine	AJI92	USP40	EP6.0
Description	White crystals or crystalline powder	/	White or almost white,crystalline powder or colourless crystals
Solubility	/	/	Freely soluble in water,very slightly soluble in alcohol.
Identification	Conforms	Conforms	Conforms
Appearance of solution	/	/	Clarity of solution:5% water solution should be clear
Appearance of solution	/	/	Colour of solution:5% water solution should be not more intensively coloured than reference solution BY6
Assay	99.0%～101.0%	98.5%～101.5%	98.5%～101.5%
pH	5.7~6.7	5.5～7.0	/
Transmittance	≥98.0%	/	/
Loss on drying	≤0.20%	≤0.2%	≤0.5%
Residue on ignition	≤0.10%	≤0. 15%	≤0.1%
Chloride	≤0.020%	≤0.05%	≤200ppm
Heavy Metals	≤10ppm	≤15ppm	≤10ppm
Iron	≤10ppm	≤0.003%	≤10ppm
Sulfate	≤0.020%	≤0.03%	≤300ppm
Arsenic	≤1ppm	/	/
Ammonium	≤0.02%	/	≤200ppm
Other amino acids	Conforms	Conforms	/
Pyrogen	Conforms	/	/
Specific Rotation	+14.3°~+15.2°	﹢13.7°～﹢15.1°	+13.5°～+15.5°