Avermectin B1b, 100 µg/ml, Acetonitrile, 1ml

9377-2 Quality Control Standard of Mineral Oils A+B , 10000µg/mL in acetone (5000µg/mL of each), 10x1ml

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

PCB Congeners