System diagram for the data collection system. The system has three major components: 1) the data logging PC; 2) the sound card power meter and 3) the 'RFM EDF Ecomanager' which uses a Nanode to communicate over the air with a set of individual appliance monitors (IAMs) and current ...
Figure 1. Schematic diagram of the extraction, extract cleanup, and concentration method for the analyses of nicotine, nicotelline, TSNA, and PAH. TSNA: Tobacco-specific nitrosamines; PAH: polycyclic aromatic hydrocarbons. Instrumental analyses A ThermoFisher LC-MS/MS system (Quantiva) was used for...