In the reversed-phase system, the influence of residual silanol groups of C18 bonded phase surface on the retention behaviors of heteropoly acid (HPA) anion is studied.
在反相体系中,研究了十八烷基键合相表面残留硅醇基对杂多酸阴离子保留行为的影响。
2
The retention behaviour and mechanism of organic acids on an anion exchange column Shim pack IC A1 (Shimadzu, Japan) have been studied.
研究了有机酸在阴离子交换树脂上的保留行为。
3
It has been found that because CMC is anion cellulose, its performance may become unstable when Ca2 + exists, CMC only can improve the water retention of mortar little.