Specifications include, but are not limited to: Nitrogen, Ultra-High Purity (UHP) Grade, 99.999%, 250+ cubic feet per cylinder or approved equal, A size, CGA580. Guaranteed analysis (Molar PPM) must be: Dew Point of 100°F (73°C) O2 less than 4.0 ppm H2 less than 3.5 ppm THC less than 0.5 ppm Carbonaceous gases less than 1 ppm. Nitrogen must be satisfactory for flame ionization and flame photometric gas chromatography. Nitrogen, Ultra-High Purity Grade, 99.999%, 250+ cubic feet per cylinder or approved equal, A size, CGA580. Guaranteed analysis (Molar PPM) must be: Dew Point of 105°F (76°C) O2 less than 1.0 ppm THC less than 0.5 ppm H2O less than 1.0 ppm Nitrogen must be suitable for use in radiochemical analysis.
