ICP MS Tuning Solution #4

n-Perfluoropentanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2706-90-3

PIONA Mix 1 - Aromatics 37 Aromatics with varying Wt.% as listed below; units: 0.1mL, 0.5mL neat Chiron No. Name: Wt.% Chiron No. Name: Wt.% 1300.6 Benzene 3.1 1268.8 Ethylbenzene

Thiophene/2-Methylthiophene (2:1) in isooctane/Toluene(3:1); Units: 5x1mL ampoules, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4056-0 Blank 0 S-4056-5 5