The separation of analytes was carried out using a capillary column HP-5 MS (60 m, 0.25mmi. d.) with 0.25mm film thickness (Hewlett-Packard, Palo Alto, CA, USA). The columnwas held at
The separation of analyteswas carried out using a capillary column HP-5 MS (60 m, 0.25mmi.d.) with 0.25mm film thickness (Hewlett-Packard, Palo Alto, CA,USA). The columnwas held at