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利用MIA 3型自动分析系统的硬件 ,根据研究的需要开发了一个专用软件 ,建成适用于恒pH自动滴定系统。并对一个含氧化铁很高的砖红壤的表面羟基的释放过程进行了测试应用。结果显示 ,在Na2 SO4 溶液中 ,羟基释放量明显受pH和SO2 - 4加入量的影响 ,羟基释放量的动态变化很好地符合Elovich方程。
Based on the hardware of MIA 3 automatic analysis system, a special software was developed according to the research needs and built for the automatic pH titration system. The release of surface hydroxyl groups from a latosol with a high iron oxide content was also tested. The results showed that the amount of hydroxyl groups released by Na2 SO4 solution was significantly affected by the pH and the amount of SO2 - 4 added. The dynamic change of hydroxyl groups was in good agreement with the Elovich equation.