ICP-MS Calibration Standard #4

1,2-Dichlorobenzene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 95-50-1

Phenylparaben, see "Parabens", 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 17696-62-7

Ibuprofen carboxylic acid, 10mg