Acids Calibration Level 3

2-Ethylthiophene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 872-55-9

Paraoxon-methyl, 10 µg/ml, Acetonitrile, 10ml

Di-iso-nonyl phthalate (C9-alkyl ester isomer mix, mainly one isomer), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 28553-12-0