HPLC-UV/Vis
HPLC LaChrom system (Merck, Darmstadt, Germany) with a Hypersil Gold C18 column (250 × 4.6 mm; 5 μm), L-7100 pump, L-7360 column compartment and L-7420 UV/Vis detector
HPLC LaChrom system (Merck, Darmstadt, Germany) with a Hypersil Gold C18 column (250 × 4.6 mm; 5 μm), L-7100 pump, L-7360 column compartment and L-7420 UV/Vis detector