نتایج جستجو برای: adsorption chromatography
تعداد نتایج: 160260 فیلتر نتایج به سال:
Established methods for determining the serum uric acid concentration are colorimetric, enzymatic, or combination of the two. An alternative method, based on the affinity of purines for polyacrylamide resin, has been developed. Uric acid, more strongly adsorbed than other major serum constituents, elutes later (with phosphate buffer, pH 7) from a poly. acrylamide column. The separated serum uri...
In chromatographic separations involving elutes with large differences in the molecular size, the adsorption saturation capacities of the elutes may differ because of the differences in the degree of size exclusion. With uneven saturation capacities, isotherm crossovers may occur, which often results in selectivity reversal. In this work, a new multicomponent isotherm has been developed for thi...
BACKGROUND The polyacrylic resin Amberlite IRA-67 is a promising adsorbent for lactic acid extraction from aqueous solution, but little systematic research has been devoted to the separation efficiency of lactic acid under different operating conditions. METHODOLOGY/PRINCIPAL FINDINGS In this paper, we investigated the effects of temperature, resin dose and lactic acid loading concentration o...
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