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Dibenzo-30-crown-10 (DB30C10) has been used for the extraction of potassium ion into organic solution (CH 2 Cl 2 ) from aqueous potassium picrate generated from the in situ reaction between picric acid and KOH. The extraction equilibrium constant (K e ) was found to be 2.9×10 6 . The high value of K e is ascribed to the facile transport of the K + -complex...
Abstract. With conventional capillary electrophoresis (CE), it was difficult to directly analyze samples containing proteins as a result of the irreversible adsorption of proteins onto the inner surface of the capillary column. This difficulty, however, was completely overcome by adding N-dodecylphosphocholine (DPC, a phosphobetaine-type zwitterionic surfactant) to the background electrolyte (BGE)...
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