Matrix Spiking Solution, 1.2ml, nonane

Cholest-4-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16732-86-8

2,6-Dimethylaniline,100 µg/mL,acetonitrile,1mL,

2,4-Dichlorophenol, 10µg/mL in MeOH, 10ml