EPA Method 8090 - Analytes Mix #1

alpha alpha alpha (20R,24R)-24-Methylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 50897-35-3

Tm/Ts Mixture Tm – 0615,27 17alpha(H)-22,29,30-Trisnorhopane Ts – 2635,27 18alpha(H)-22,29,30-Trisnorneohopane With a spesific ratio between the two peaks based on a SIM spectra of ion m/z = 191

9,10-Diphenylanthracene