L-ThioprolineCASNo.:34592-47-7Addtime:2008-1-48:50:06ItemSpecificationAppearanceWhitecrystalsorcrystallinepowderSpecificRotation[α]D20-196°To-205°StateofsolutionClearandcolorlessNotlessthan95.0%Chloride(Cl)Notmorethan0.05%Ammonium(NH4)Notmorethan0.02%Sulfate(SO4)Notmorethan0.030%Iron(Fe)Notmorethan10ppmHe***yMetals(Pb)Notmorethan10ppmAresenic(As2O3)Notmorethan1ppmOtheraminoaicdsChromatographicallynotdetectableLossondryingNotmorethan0.5%ResidueonignitionNotmorethan0.2%Assay98.5%to101.5%)