L-Valine - 72-18-4

Test items Specifications
Appearance White crystals or crystalline powder
Specific rotation +26.7~+29.0C
PH 5.5~7.0
Loss on drying 0.30% max
Residue on ignition 0.10% max
Chloride 0.05% max
Sulfate 0.03% max
Iron 30ppm max
Heavy metals 10ppm max
Arsenic 1.5ppm max
Organic volatile impurities Meet requirement
Assay 98.5%~101.5%