CLP Semi-Volatile Base/Neutral Surrogate Std

2-Methylnaphthalene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 91-57-6

Genite, certified, 0.25g

2,2',3,3',4,5,5'-Heptachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene