Selective Adsorption of Rubidium onto a New 1,3-Alternate Calix[4]crown-5 Mesoporous Adsorbent with a Polar Carrier Containing Polyalkyl Ester

A new mesoporous adsorbent iPCalixC5X containing 1,3-alternate calix[4]crown-5 derivative iPCalixC5 was prepared by vacuum suction. It was immobilized into the pores and channels of XAD-7, a polar ...