BTEX Standard

2,2',3,4',5,5',6-Heptachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

Tetra-n-butyltin, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1461-25-2

PCB No. 157, 10µg/ml in Isooctane, 10ml