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Trace Nitrogen Applications in Catalytic Naphtha And Feed Stocks By Combustion and Chemiluminescence Analysis Poster

The total nitrogen in naphtha range samples and other trace nitrogen containing liquid hydrocarbons can be determined by four different ASTM standard methods: ASTM D4629, D5762, D6069 and D7184.

D4629 and D5762 are performed at atmospheric pressure. ASTM D6069 and D7184 are performed under reduced pressure and, as such, require a trace nitrogen kit comprised of a vacuum pump, a needle valve for pressure control and a restrictor to regulate the ozone concentration in the reaction chamber that would affect the sensitivity of the measurement. This application utilizes the Standard Addition Method.

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