Published March 2018
| Version v1
Journal article
Improving the precision of EDXRF using the fundamental parameter method
Creators
- 1. Kyoto University, Department of Materials Science and Engineering, Kyoto (Japan)
Description
We assess the quantitative accuracy of energy dispersive X-ray fluorescence (EDXRF) analysis by measuring spectra of stainless steel using an EDXRF spectrometer combined with a modified FP method whose integral variable is transformed from wavelength, λ, to energy, E. In the present paper, E2 term is included in the conventional FP method, which leads to the improvement of quantitative accuracy of EDXRF. (author)
Abstract (Japanese)
エネルギー分散型蛍光X線分析装置の定量分析精度を評価するため,ファンダメンタルパラメータ法を用いた組成計算プログラムを作成した.白岩-藤野の式の積分変数をエネルギーEに変換する際にE2の項を導入し,さらにガウスフィッティングを用いて測定スペクトルから微量元素のピークを取り出すことで,定量精度が向上することが確認できた.(著者)Additional details
Additional titles
- Original title (Japanese)
- FP法によるエネルギー分散蛍光X線の高精度化の基礎研究
Publishing Information
- Journal Title
- X-sen Bunseki No Shinpo
- Journal Volume
- 49
- Series
- 雑誌名:X線分析の進歩
- Journal Page Range
- p. 201-208
- ISSN
- 0911-7806
INIS
- Country of Publication
- Japan
- Country of Input or Organization
- Japan
- INIS RN
- 54093347
- Subject category
- S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
- Descriptors DEI
- COMPUTER CALCULATIONS; GAUSS FUNCTION; MULTI-ELEMENT ANALYSIS; QUATERNARY ALLOY SYSTEMS; SEMICONDUCTOR DETECTORS; STAINLESS STEEL-304; TRACE AMOUNTS; WAVELENGTHS; X-RAY FLUORESCENCE ANALYSIS; X-RAY SPECTRA; X-RAY TUBES
- Descriptors DEC
- ALLOY SYSTEMS; ALLOYS; AUSTENITIC STEELS; CARBON ADDITIONS; CHEMICAL ANALYSIS; CHROMIUM ALLOYS; CHROMIUM-NICKEL STEELS; CORROSION RESISTANT ALLOYS; ELECTRON TUBES; EQUIPMENT; FUNCTIONS; HEAT RESISTANT MATERIALS; HEAT RESISTING ALLOYS; HIGH ALLOY STEELS; IRON ALLOYS; IRON BASE ALLOYS; MATERIALS; MEASURING INSTRUMENTS; NICKEL ALLOYS; NONDESTRUCTIVE ANALYSIS; RADIATION DETECTORS; SPECTRA; STAINLESS STEELS; STEEL-CR19NI10; STEELS; TRANSITION ELEMENT ALLOYS; X-RAY EMISSION ANALYSIS; X-RAY EQUIPMENT
Optional Information
- Notes
- 10 refs., 3 figs., 5 tabs.