Parathion-methyl, 10.0 µg/ml, Acetonitrile, 10ml

Nitrogen Calibration Set-High Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Carbazole Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4141-0 Blank S-4141-03

Mercury (Hg II)

9,10-Anthraquinone,1000 µg/mL,toluene,1mL,