Trichloroacetic acid, 100 µg/ml, Acetonitrile, 1

4-n-Octylphenol-mono-ethoxylate, 10.0 µg/ml, Acet

Lenacil,100 µg/mL,MeOH,1mL,

2-Ethylhexyldiphenyl phosphate,1000 µg/mL,isooctane,1mL