Sodium perfluoro-1-decanesulfonate, 1.2ml x 50ug/ml, methanol

Sodium Dimethyl 5-sulfoisophthalate, 1000mg

GC-IRMS Standards (C11(?13C: -26.11); C15 (?13C: -30.22); C20 (?13C: -33.06)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no.

TOC standard, 200mg/l in H2O, 500ml