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上海硅酸盐研究所 的李香庭教授对SEM和 电子探针 的EDS分析结果做过比较系统的讲述，我摘抄如下： EDS分析的最低含量是0.x% (注：这个x是因元素不同而有所变化的。 )“电子探针和扫描电镜 X射线能谱定量分析通则 ”国家标准，规定了EDS的定量分析的允许误差 (不包括含超轻元素的试样)。 对平坦的无水、致密、稳定和导电良好的试样，定量分析总量误差小于±3%。 另外，EDS分析的相对误差也有相应的规定： a) 主元素 (>20%wt)允许的相对误差£ ±5%。 b) ±3%wt £含 …

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2024年9月20日 · edX is a mission-driven, massive open online course (MOOC) provider. We partner with the world’s leading universities and organizations to offer high-quality online courses to learners across the world.

2023年4月5日 · EDXとは、Energy Dispersive X-ray Spectroscopyの略で「エネルギー分散型蛍光X線分光法」と呼ばれる分析手法です。 EDSと呼ばれることがありますが、同じものを指し、ここではEDXに統一します。

X射线能谱 （Energy Dispersive X-ray spectroscopy，EDX）作为元素分析方法之一，常用于材料 微区成分元素种类与含量分析，可以分析元素周期表中从硼到铀（B-U）的所有元素信息。

EDX指的是 能量散射型X射线荧光光谱仪，也有人叫EDXRF; EDS是 能谱仪。 2、应用. 1)XRF的应用. a) X射线用于元素分析，是一种新的分析技术，但在经过二十多年的探索以后，现在已完全成熟，已成为一种广泛应用于冶金、地质、有色、建材、商检、环保、卫生等各个领域。 b) 每个元素的特征X射线的强度除与激发源的能量和强度有关外，还与这种元素在样品中的含量。 c) 根据各元素的特征X射线的强度，也可以获得各元素的含量信息。 这就是X射线荧光分析的基本原理。 …

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