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In this work, a new sample pretreatment method prior to HPLC separations was developed for the determination of auxins in plant samples. Owing to its large surface area and high adsorption capacity, multi-walled carbon nanotube (MWCNT) was chosen as the adsorbent for the extraction of auxins from plant samples. In this study, two important auxins were selected as model analytes, namely indole-3-butyric...
A simple, fast, precise and eco-friendly method, based on ion chromatography (IC) with a suppressed conductivity detector, was proposed for the determination of benzoic acid (BA) in milk in this paper. The chromatographic separation was accomplished by using an anion exchange column eluted with 3.2mmol/L aqueous Na 2 CO 3 and 1.0mmol/L aqueous NaHCO 3 at a flow-rate of 0.7mL/min...
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