Aroclor 1242 in Transformer Oil

2-Methyl-2,5(6)-(furfurylthio)pyrazine, isomer mix, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 65530-53-2

Pyruvic aldehyde, 40% solution in water, neat, Solvent-neat, Unit 10mL, # of units-1, Cas.no. 78-98-8

Spiking Standard 3