Mix 31, 10 µg/ml, Methanol, 10ml

alpha alpha alpha (20R,24R)-24-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 62446-14-4

Triphenylene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 17777-56-9

2-Chlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,