O'Dwyer J N, Tickner J R
CSIRO Minerals, Private Mail Bag 5, Menai, NSW 2234, Australia.
Appl Radiat Isot. 2008 Oct;66(10):1359-62. doi: 10.1016/j.apradiso.2008.03.014. Epub 2008 Apr 3.
Energy-dispersive X-ray diffraction (EDXRD) spectrometry is being investigated as a means to perform direct on-line quantitative mineral phase analysis on industrial mineral process streams. A laboratory prototype EDXRD analyser has been developed and a preliminary study has been made to determine its suitability for measuring mineral samples. This was carried out by collecting the diffraction spectra of 20 samples each containing six powdered minerals in dry form and using a linear regression analysis model to determine the mass of each mineral component contained in the samples. Using this method it was found that mineral components could be determined to an accuracy of better than 1 wt%.
能量色散X射线衍射(EDXRD)光谱法正在作为一种对工业矿物加工流进行直接在线定量矿物相分析的手段进行研究。已经开发出一种实验室原型EDXRD分析仪,并进行了初步研究以确定其对测量矿物样品的适用性。这是通过收集20个样品的衍射光谱来进行的,每个样品包含六种干燥形式的粉末状矿物,并使用线性回归分析模型来确定样品中每种矿物成分的质量。使用这种方法发现,矿物成分的测定精度可以优于1 wt%。