4,4'-Diamino-3,3'-dimethyldiphenylmethane, 100mg

Mass-Labelled PCB Extraction Standards, 1.2ml, nonane

2-Methyladamantane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 700-56-1

Mg, 1000 µg/mL in 2% HNO3, 100ml