OLC 3.2 Continuing Calibration Solution

p-n-Nonylphenol Diethoxylate (ring-13C6), 100µg/ml in Nonane, 1,2ml

4-n-Octylphenol, 1000µg/mL in MeOH, 1ml

3,5,3’,5’-Tetraiodo Thyroacetic Acid, 50mg