Cations Std. Level 5

4-Hydroxy-11H-indolo[2,3-f]naphthalene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 23682-01-1

2,4,6-Tribromoanisole [20 ng/mL]

Demeton-S-methyl sulfoxide, 10µg/mL in Acetonitrile, 1ml