Calibration Standard Mix 4

Benzoin, 100 µg/ml, Acetonitrile, 5ml

5-Methyl-2,2',4,5'-tetrachlorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.

Nitrofurantoin 13C3, 5mg