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根据Ｘ射线衍射中θ扫描的基本原理，在理论分析的基础上认为θ曲线峰的形状能较精确地反映粘土矿物的定向水平和分层现象，而峰的积分面积比常规２θ曲线峰的积分面积更能客观地反映粘土矿物的含量。提出在粘土矿物Ｘ射线定量计算中用θ峰积分面积代替常规的２θ峰积分面积，并通过分析各粘土矿物的θ峰形了解样品中粘土矿物的分层情况
According to the basic theory of θ-scan in X-ray diffraction, the shape of the θ curve can be more accurately reflected in the orientation and delamination of clay minerals on the basis of the theoretical analysis. The integral area of the peak is larger than that of the conventional 2θ curve Area more objectively reflect the content of clay minerals. It is proposed that the integral area of θ peak should be used instead of the conventional 2θ peak integrated area in the quantitative calculation of X-ray of clay minerals and the delamination of clay minerals in the sample should be understood by analyzing the θ peak shape of each clay mineral