What are the principles of normal-phase liquid chromatography (NPLC) and how does retention occur?

Once the plate is placed into the eluting solvent, the solvent begins to travel up the plate. When the eluting solvent reaches the sample, the sample mixes in ... An exploratory study of group exercise participants was conducted to link group cohesion theory and perceived effects of social support to the retention of ... Feb 27, 2020 ... Multiple regression analyses revealed that retention factors significantly predict work engagement. The main practical contribution of this ... Feb 16, 2024 ... Factors that support retention and drive attrition in the veterinary profession. Did you know? Some 30% of veterinary practice team members are ... The column film thickness and the internal diameter of the GC column will also strongly influence the retention factor (k) and the resulting resolution. The ... Jan 15, 2024 ... Retention Factor (Rf) Formula ... Variables: ... To calculate the Retention Factor, divide the distance travelled by the compound by the distance ... The RT for a compound is not fixed as many factors can influence it even if the same GC and column are used. These include: The gas flow rate; Temperature ... The retention factor is estimated simply as follows. Note that the numerator of the equation (tR – t. 0. ) tells us to subtract t. 0 from the retention time. Jan 4, 2012 ... The value of the retention factor is directly proportional to the extent to which an analyte is retained by the mobile phase. The SA Journal of Human Resource Management provides a forum for cutting-edge, peer reviewed research in all fields related to the exploration of issues and ...