Erratum to: Chromatographia (2011) DOI 10.1007/s10337-010-1902-5

Unfortunately, in the original article the CDRI communication number is missing in the footnote. The correct footnote is given below.

R. S. Bhatta, C. Rathi, H. Chandasana and D. Kumar contributed equally to this work. CDRI communication number 8011.