1,1-Diphenylurea, 98%,neat,neat,10mg,

2,3-Dimethylbutane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 79-29-8

Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane

1-Methylpyridinium iodide, 100mg