The chromatographic properties of two hydride‐based stationary phases (a material with a hydride surface and one with a hydride surface modified by the addition of C18) are tested with several types of compounds that are typically retained in the organic normal phase (ONP) mode. Both phases display ONP retention, but to differing degrees. Various mobile phases are investigated, as well as some gradient elution profiles. Efficiency, peak shape, and reproducibility for the several solutes in both isocratic and gradient elution, as well as the effects of water in the mobile phase, are assessed.
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Pesek et al. (2007) studied this question.
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