Phthalic acid, bis-2-ethylhexyl ester, certified, 0.5g

Sodium p-perfluorous nonenoxybenzenesulfonate, 50µg/ml in MeOH, 1,2ml

Anion Mix #2

1,2,3,4,5-Pentachloro[13C6]benzene, 1.2ml x 100ug/ml, isooctane