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本文根据海洋固体颗粒主要无机组份（包括粘土、金属氧化物和碳酸钙）表面羟基的酸碱特性，描述了其表面羟基存在形态随pH变化特征，并研究了据零电荷点定义直接由表面羟基分布曲线测定固体颗粒零电荷点pHpzc的新方法，与传统测定零电荷点的方法相比结果相当一致，从而为研究海洋固体颗粒表面化学反应奠定了基础。
In this paper, according to the pH characteristics of the hydroxyl groups on the surface of the main inorganic components of marine solid particles (including clay, metal oxide and calcium carbonate), the existence of hydroxyl groups on the surface of the marine solid particles is studied. The new method of measuring the zero charge point pHpzc of the solid particle by the hydroxyl distribution curve is quite consistent with the traditional method of measuring the zero charge point, which lays the foundation for the study of the chemical reaction on the surface of the marine solid particle.