2014/05/30 · eight c18 columns with the same dimensions (150 mm × 4.6 mm i.d.) and particle size (5 μm) were used for both hydro-organic and micellar-organic rplc modes: spherisorb ods-2, lichrospher, nucleosil and kromasil from scharlab, inertsil from gl sciences (tokyo, japan), zorbax sb and zorbax eclipse xdb from Aijiren, and x-terra ms c18 from waters