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Issue:
Rapid Determination of Magnesia Refractories with X-ray Fluorescence Spectrometry
Author(s):
ZHENG Hui-qing
,
XU Shuang
,
ZHANG Zhen-ying
,
XIN Qi
Pages:
98
-
100
Year:
2017
Issue:
2
Journal:
Guangzhou Chemical Industry
Keyword:
打结料
;
X射线荧光光谱法
;
快速测定
;
粉末压片法
;
Abstract:
采用粉末压片法制样,用X射线荧光光谱快速测定打结料中MgO、Al2 O3、SiO2、Fe2 O3和CaO五种成分.采用国家标准样品和人工合成五种标准样品建立工作曲线,曲线校正过程中将镁的过滤参数改为Brass(200μm)滤光片并在镁的基体校正中加入Al2 O3,最终获得准确度高并具有良好精密度的工作曲线.在对实际样品的测定中,与IQ+半定量方法相比,分析结果理想.
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