Fig. 3From: Mixed mode monolithic sorbent in pipette tip for extraction of ractopamine and clenbuterol prior to analysis by HPLC-UV and UHPLC-Q ExactiveTM Plus Orbitrap MSEffect of sample loading volume on peak areas and enrichment factors of spiked urine sample containing 100 ng mL−1 RAC and 100 ng mL−1 CLEN, using optimum conditionBack to article page