DIN 51001 Supplement 1:2003 氧化原料和基础材料的测试 X射线荧光法(XRF)的一般工作基础 X射线荧光法试样测定用材料组的分解方法的一般概述
Testing of oxidic raw materials and basic materials - General bases of work for X-ray fluorescence method (XRF) - General survey on disintegration methods referred to groups of materials for the determination of test specimens for XRF