ion pair


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ion pair

[′ī‚än ‚per]
(nucleonics)
A positive ion and an equal-charge negative ion, usually an electron, that are produced by the action of radiation on a neutral atom or molecule.
References in periodicals archive ?
This observation may be explained by the fact that there are more ionic species in solution than those considered for the regression analysis, for example ion pairs or soluble organic matter.
4] has been taken as evidence for co-sorption of calcium and sulfate as an ion pair (Alva et al.
Determination of urinary oxalate by reversed phase ion pair high performance liquid chromatography.
Compounds were analyzed in multiple-reaction-monitoring experiments, in which preselected ion pairs were entered.
Table 1 also shows the division of the chromatographic cycle into 3 scan segments, each of which encompassed 2-8 ion pairs.
Determination of tissue folate composition by affinity chromatography followed by high-pressure ion pair liquid chromatography.
Arsenic speciation by ion pair reversed-phase liquid chromatography with coupled amperometric and ultraviolet detection.
We have previously experienced that chromatography retention time of arsenic species in the sample may be different from that in calibrator solutions when a mobile phase is not suitable for ion pair chromatography.
The precise mechanism by which NPOE enhances the ion pair formation in the membrane phase is currently under investigation.
These various interactions are stemmed from the different flexibility of the sulfobetaine chains influencing their ability to form intra-and intermolecular ion pairs.
Because ion pairs do not undergo long-range migration, they behave like localized dipoles and are expected to respond to an externally applied electric field.