Heptachlor epoxide

N-Acetyl-S-(carbamoylethyl-d4)-L-cysteine , 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 81690-92-8 (unlabelled compound)

ICP-MS Mix

EN 12766/CEN EN 61619 PCB Mix, 10µg/mL in Isooctane, 1ml