Utak Normal Human Serum, 500mL
100% Real Normal Human Serum is collected in FDA-licensed facilities within the United States from healthy adult donors. The Normal Human Serum is screened for common drugs of abuse and alcohol. Frozen serum is suitable for all testing methods, including LCMS, LC-MS/MS, GCMS, Time of Flight (TOF), ELISA, EMIT and other immunoassays. This product uses Potassium Oxalate as an anticoagulant and Sodium Fluoride for preservation.