Supplemental Calibration Solution, 500ul, nonane

3,3’,4,4’-Tetrabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 77102-82-0

Tilmicosin, 100 µg/ml, Methanol, 1ml

Methyl viologen-d8 dichloride (rings-d8), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 347841-45-6