Specification: 1)Appearance:white color free flowing crystals 2)Colour in solution:transparent 3)Odor:typical MSG mono sodium glutamate 4)Assay: Monosodium glutamate monohydrate 70% 5)PH:6.7-7.2 (5.0% solution) 6)Specific rotation:+24.8%-+25.3% 7)Loss on drying (105c,5hrs):0.5% max 8)Solubility:74/100ml water at 25 degrees Celsius,105.0g/100ml water at 60 degrees Celsius 9)Sodium Content:12.3% 10)Chloride:0.2% max (as CI) 11)Arsenic:0.5 ppm max (as As) 12)Heavy Metals (as Pb):10ppm max 13)Leads (Pb):10ppm max 14)Sieve Analysis:80-200 mesh 15)Standard plate count:5,000/g max 16)Moulds:100g/max 17)Coliforms:10/g max 18)E.coli: 10/g max Standard: Specifications:FCCIV,GB/T8967-2000,QB,/1500-92 Packaging:25kg/22.68(50LBS)/2.5kg/454g/100g/others