Selenium (Se)

1,2,3,5-Tetrachlorobenzene, 100 µg/ml, Methanol,

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

Set of 2 Ampules 524.2