UOP 981:
UOP 981 is the test method for determination of Nitrogen in Liquid Hydrocarbons by Oxidative Combustion with Chemiluminescence Detection
To comply with UOP 981 method, TSHR offers the NEXIS TN, NEXIS VP TN and TN 6000/7000 series and combined instrument configurations such as TN/TS with syringe liquids module and/or boat module. For fully automated analysis the AS120 and HR 7000 models liquids autosampler configurations supported with temperature controlled sample trays can be applied.
