摘要
本文研究了用磷酸溶矿分析测试文象岩中游离石英的实验原理和方法，并对其准确性进行了验证。结果表明该法简便、快速，有良好的准确度和精密度。完全适用于工业生产测试的要求。
In this paper, the principle and method of the experiment which is used to determine the content of free quartz in the graphic granite by phosphoric acid has been studied. At the same time, the accuracy of the method has been verified. The results show that the method is convenient, rapid, satisfactory accuracy and precision. Therefore, this mathod can meet the requirements in industrial production.
