ICP-MS Mix

alphaßß (20S,24RS)-24-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Mono-n-butyl phthalate (ring-1,2-13C2, dicarboxyl-13C2, 99%) 100 µg/mL in MTBE, 1,2ml

3,4-Dimethylthiophenol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 18800-53-8