Monosodium Glutamate By Linghua International H.k. Co.,

Appearance : White or colorless
crystal Assay : 99.0%-99.8%
State of solution
(transmittance) : Clear and colorless not less than 98.0%
chloride (cl) : Not more than 0.7%
Ammonium(NH4) : Not more than0.02%
Sulfate(so4) : Not more than 0.028%
Iron (Fe) : Not more than 30PPM
Heavy metals (pb) : Not more than 10PPM
Arsenic (ASO3) : Not more than 1PPM
Other amino acids : Conforms
Microphyte : Not more than 15000/G
Coliform : Not more than 40/100G
Loss on drying : Not more than 0.50%
specific rotation (a)20 : +24.7 i +25.2
pH : 6.7~7.2