Mass-Labelled PCB Sampling Standard, 1.2ml, nonane

Atrazine D5, 100 µg/mL in Acetone, 1ml

Perdeuterated Internal Standard PAH-Mixture 4 5 analytes, each1000 µg/mL in benzene-d6; units: 1x1mL, 1x5mL 1337.16 Fluoranthene-d10 [93951-69-0] 1348.20 Benzo[b]fluoranthene-d12 [93951-98-5] 1349.20 Benzo[k]fluoranthene

Dimethyl methylphosphonate