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

2,6-Naphthalenedicarboxylic acid, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 1141-38-4

Bis(2-ethoxyethyl) phthalate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 605-54-9

4-Phenoxyphenol, 100mg