Laboratory performance check

Thiophene in Toluene Units: 5x1mL ampoule, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4053-0 Blank 0 S-4053-K 1 000 0.1000 S-4053-2.5K 2 500 0.2500 S-4053-5K

Potassium Bisnonafluoro-1-butanesulfonimidate, 25mg

Boron trifluoride, 12% in methanol, neat, Solvent-neat, Unit 1mL, # of units-10, Cas.no. 373-57-9