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Abstract

Chromatography and usage

Author(s): Peter Lucas

The most often used component in chromatography is silica. Still, silica supports are better than other supports. However, silica-based materials have a number of drawbacks, including poor pH stability, severe peak tailing in the chromatography of basic substances, and inconsistent results for the same chemical columns. The silanol group is crucial to silica's chromatographic capabilities. As a result, this study examines the present state of understanding of the chemistry of silica surfaces as well as how the chemistry affects the chromatography of basic solutes. Also addressed is how the silica surface affects the stability of bound phases. Current knowledge of the chemistry of silica surfaces, as well as recent developments in the chromatography of fundamental solutes. IR and NMR spectroscopy of the silica surface Due to a lack of knowledge on the mechanisms underlying the challenging chromatography of the solutes, HPLC of organic bases is problematic. The review highlights the significance of the ion-exchange mechanism for the retention of the bases and devotes a considerable portion of its discussion to the HPLC of organic bases. The most recent advancements in the chromatography of basic solutes as well as the current understanding of the chemistry of silica surfaces. The silica surface's IR and NMR spectroscopy HPLC of organic bases is difficult due to a lack of understanding of the mechanisms underlying the difficult chromatography of the solutes. The review emphasizes the value of the ion-exchange mechanism in base retention and spends a significant amount of time on the HPLC of chemical bases.


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Citations : 688

Analytical Chemistry: An Indian Journal received 688 citations as per Google Scholar report

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