Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, get their minds active, and encourage them to do something that doesn’t involve a screen. 33100-27-5, C10H20O5. A document type is Article, introducing its new discovery., Formula: C10H20O5
Bis(15-crown-5 ether) derivatized from a xanthene-4,5-dicarboxylic acid skeleton was studied as an ionophore for a new K+-selective electrode. The polymeric liquid membrane based on this ionophore exhibits Nernstian behavior and optimization of experimental conditions for potentiometric analysis offers a wide linear dynamic range, reasonable detection limit, good durability and hysteresis within a limited error. Due to the well-preorganized structure, the selectivity over Na+ is comparable to those of commercialized K+-selective ionophores and the interferences by some cations such as Rb+ and Cs+ are reduced. Except slightly slow response, the enhanced recognition ability is reminiscent of the natural antibiotic valinomycin.
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Reference：
Chiral Catalysts,
Chiral catalysts – SlideShare