海泡石化学物相定量分析

Determination of Sepiolite by Chemical Quantitative Phase Analysis

海泡石矿物定量分析通常采用X射线衍射法、红外光谱法。但用化学物相分析进行海泡石矿物定量,至今未见国内外文献报导,本文探索了应用选择性溶解方法进行海泡石矿物化学物相定量分析的可能性。

The behaviour of various associated minerals in chemical leaching procedures was studied. An effective selective leaching technique, combined with a preliminary physical separation, was proposed to realize the chemical phase analysis of a clay deposit at Leping, Jiangxi Province, for the sepiolite content. The method is rapid and simple. The RSD of 9 determinations of pure samples was 1.66%. The relative error of the sample analysis is between 5 and 15%.