TOC Calibration Standard

9-trans,12-trans-Octadecadienoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 506-21-8

DWSD Mix

Mono-ethyl phthalate (ring-1,2-13C2,99%, dicarboxyl-13C2,99%) 100 µg/mL in MTBE