ADSORPTION OF BIOCHEMICALLY SIGNIFICANT PHOSPHATES ON SILICA

被引：11

作者：

HAMDANI, K

CHENG, KL

机构：

[1] Department of Chemistry, University of Missouri-Kansas City., Kansas City

来源：

COLLOIDS AND SURFACES | 1992年 / 63卷 / 1-2期

关键词：

ADSORPTION; BIOCHEMICAL PHOSPHATES; SILICA;

D O I：

10.1016/0166-6622(92)80065-A

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Adsorption of the sodium salts of adenosine 5'-mono-, di- and triphosphates (AMP, ADP, ATP), fructose monophosphate (FMP), and glycerophosphoric acid (GPA) on silica have been studied using a solid state LaPO4 membrane electrode measured at pH 7.0. All phosphates show maximum adsorption at pH 4.0 with the exception of AMP at pH 5.0. Adsorption isotherms for all the phosphates have been recorded. The adsorption mechanism of organic phosphates on silica is attributed to electrostatic attraction-based interaction. Organic phosphates decompose at temperatures higher than room temperature.

引用

页码：29 / 31

页数：3