Multi-Element Calibration Standard-4

4-n-Butylphenol-2,3,5,6-d4, OD, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 1219795-04-6

1-Chloronaphthalene, 10µg/mL in Acetonitrile, 10ml

1,4-Dimethylnaphthalene, 100 µg/ml, Cyclohexane,