WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml

2,4'-Difluorodiphenyl ether, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 863315-03-1

Triethylphosphate-d15, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 135942-11-9

Sodium tetraethylborate, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 15523-24-7