K-ASSAY Transferrin Assay Reagent. R1: 3 x 20mL (liquid), R2: 2 x 10mL (liquid). Assay Range: 45 - 455 mg/dL. The K-ASSAY Transferrin assay is intended for the quantitative determination of human transferrin in human serum by immunoturbidimetric assay. FOR IN VITRO DIAGNOSTIC USE. Required Calibrator: K-ASSAY Multi-Analyte Calibrator (Cat. No. KAI-016C). Recommended Controls: K-ASSAY Liquid ITA Control (Cat. No. K49C-2M or K49C-4M). This assay is intended for use on most popular chemistry analyzers that allow open channel reagents. Please contact KAMIYA BIOMEDICAL COMPANY to check parameter availability for your analyzer.