Total Organic Carbon (C)

1,1,1,3,18,20,20,20-Octachloroeicosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Gallium (Ga)

U{13C22}-Roquefortine C, 25µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no.