Theophylline,1000 µg/mL,MeOH,1mL,

4,4´-DDT, 10µg/mL in Cyclohexane, 10ml

PAH Mixture H 5 Analytes, each 100µg/mL in toluene; units: 1x1mL, 1x5mL Prod.no. Compound CAS.No. 0259.17 11H-Benzo[a]fluorene [238-84-6] 0218.17 11H-Benzo[b]fluorene [243-17-4] 0244.24 Dibenzo[a,e

1,3-Dimethylnaphthalene, 10mg