Internal Standard

2,6-Di-tert-butylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 128-39-2

Demeton-S-methyl, 100µg/mL in Acetonitrile, 1ml

Sulfotep, 10.0 µg/ml, Ethyl acetate, 10ml