Sample Type:Serum,plasma and other biological fluids.Intended Use:CLIA Kit for Arginine (Arg)Range:156.25-40,000ng/mlSpecificity:GeneralStorage and Stability:Store powder at 4°C liquid at -20°C. Store other components at 4°C. Stable for at least 6 months For maximum recovery of product,centrifuge the original vial after thawing and prior to removing the cap.