Isocratic HPLC separations were performed on a Shimadzu, Class VP apparatus, consisting of a model LC-10AD VP liquid chromatograph, a model CTO-10A with a 20-μl injection loop and a model SPD-10A UV-vis detector.
Isocratic HPLC separations were performed on a Shimadzu, Class VP apparatus,consisting of a model LC-10AD VP liquid chromatograph, a model CTO-10A with a 20-μl injection loop and a model SPD-10A UV-vis detector.