Benzo[a]pyrene-d12,400µg/mL,cyclohexane,1mL,

1-Hydroxyibuprofen, 10mg

Benzyldimethyltetradecylammonium Chloride, >98%, 5g

PCB Mixture 1 7 Analytes, each 10µg/mL in acetonitrile; unit: 10x1mL Prod.no. Compound Description CAS No. 1999.12 2,4,4’-Trichlorobiphenyl PCB 28 [7012-37-5] 2000.12 2,2’5,5’-Tetrachlorobiphenyl PCB 52 [35693-99-3] 20001.12 2,2’4,5,5’-Pentachlorobi