PHS XP tC18 is a general-purpose C18 , due to its low level of positive charge on the surface, it improves the taliling factorof basic compounds under low ionic strength mobile phase without ion pair reagents (e.g., 0.1% formic acid ). So PHS XFtC18 has superior peak shape, large sample loading and peak capacity for basic compounds.PHS XP tC18 is stable in pH 111,is suitable for the analysis of basic compounds, and especially performs well for peptide loading and peak shape.
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