Rapid and simple magnetic solid-phase extraction of bisphenol A from bottled water, baby bottle, and urine samples using green magnetic hydroxyapatite/β-cyclodextrin polymer nanocomposite

•Design a new adsorbent based on magnetic hydroxyapatite and β-cyclodextrin polymer.•Synthesis of cross-linked cyclodextrin polymers using a cheap, green and simple method.•Comparison of extraction behavior of two different cross-linked cyclodextrin polymers.•Magnetic solid phase extraction of bisphenol A from different aqueous solutions.•Fast quantification of bisphenol A in bottled water, baby bottle and urine samples.