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

Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane

Phenanthrene-d10, 100 µg/mL in toluene, 1mL

2,2',3,4',6'-Pentachlorobiphenyl (= 2,2',3',4,6-),100 µg/mL,isooctane,1mL,