JP6838754B1 - 蛍光x線分析装置 - Google Patents
蛍光x線分析装置 Download PDFInfo
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- 238000004876 x-ray fluorescence Methods 0.000 title description 2
- 238000005259 measurement Methods 0.000 claims abstract description 46
- 230000035945 sensitivity Effects 0.000 claims abstract description 33
- 238000011002 quantification Methods 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 24
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- 238000011156 evaluation Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 abstract 1
- 238000011088 calibration curve Methods 0.000 description 19
- 239000000470 constituent Substances 0.000 description 9
- 238000004445 quantitative analysis Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 7
- 230000005284 excitation Effects 0.000 description 7
- 238000012937 correction Methods 0.000 description 5
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/223—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence
Abstract
Description
Wi:成分iの含有率
Ii:成分iに対応する測定元素の蛍光X線の測定強度
A,B,C:検量線定数
Wj:加補正成分jの含有率
αj:加補正成分jのマトリックス補正係数
Xi:成分iの推定基準値
n:用いた標準試料の数
m:用いた検量線定数の数
ITi:成分iに対応する測定元素の蛍光X線の理論強度
IMi:成分iに対応する測定元素の蛍光X線の測定強度
a,b,c:装置感度定数
n:用いた標準試料の数
m:用いた装置感度定数の数
ITpi:成分iに対応する測定元素の蛍光X線の理論強度(一次励起)
Ki:定数
wi:成分iに対応する測定元素の質量分率
μk:成分iに対応する蛍光X線に対する試料構成元素kの総合吸収計数
wk:試料構成元素kの質量分率
n:用いた標準試料の数
m:用いた装置感度定数の数
3 1次X線
5 蛍光X線
13 定量手段
14 標準試料
Claims (1)
- 試料に1次X線を照射し、発生する蛍光X線の測定強度に基づいてファンダメンタルパラメータ法を用いる定量手段により前記試料中の成分の含有率の定量値を求める蛍光X線分析装置であって、
前記定量手段が、
成分の含有率が標準値として既知である一組の標準試料について、成分に対応する測定元素の蛍光X線ごとに、標準値に対応する測定元素の質量分率および標準値から得られる試料構成元素の質量分率を用いて理論強度式により計算した理論強度と測定強度との相関である装置感度曲線を求めて、装置感度定数を決定し、
各標準試料について、前記測定強度と、前記装置感度定数と、前記理論強度式において前記理論強度を計算するために前記測定元素の質量分率に乗ぜられる比例係数とを用いて、測定元素に対応する成分の含有率の定量値を計算し、
各成分について、標準値と定量値との相関を示すグラフ、および/または、標準試料ごとの標準値、定量値、定量誤差と前記一組の標準試料による定量値全体についての正確度を出力する、蛍光X線分析装置。
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JP2019175938A JP6838754B1 (ja) | 2019-09-26 | 2019-09-26 | 蛍光x線分析装置 |
PCT/JP2020/022146 WO2021059597A1 (ja) | 2019-09-26 | 2020-06-04 | 蛍光x線分析装置 |
CN202080031348.0A CN113748333B (zh) | 2019-09-26 | 2020-06-04 | 荧光x射线分析装置 |
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CN (1) | CN113748333B (ja) |
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DE10159828B4 (de) * | 2001-12-06 | 2007-09-20 | Rigaku Industrial Corporation, Takatsuki | Röntgenfluoreszenzspektrometer |
JP4908119B2 (ja) * | 2005-10-19 | 2012-04-04 | 株式会社リガク | 蛍光x線分析装置 |
US10012605B2 (en) * | 2015-08-10 | 2018-07-03 | Rigaku Corporation | X-ray fluorescence spectrometer |
WO2017038702A1 (ja) * | 2015-08-28 | 2017-03-09 | 株式会社リガク | 蛍光x線分析装置 |
CN106770407A (zh) * | 2016-11-25 | 2017-05-31 | 成都中光电科技有限公司 | 一种玻璃配合料整体均匀度的熔片x荧光测定方法 |
CN110312928B (zh) * | 2017-03-15 | 2021-03-26 | 株式会社理学 | 荧光x射线分析方法以及荧光x射线分析装置 |
CN108827993A (zh) * | 2018-06-28 | 2018-11-16 | 北矿科技股份有限公司 | 实现快速测定高性能磁性材料bms-12中镧、钙、钴各元素含量的方法 |
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CN113748333B (zh) | 2022-07-12 |
CN113748333A (zh) | 2021-12-03 |
WO2021059597A1 (ja) | 2021-04-01 |
JP2021051053A (ja) | 2021-04-01 |
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