WO2017141973A1 - 解析装置、解析方法および解析プログラム - Google Patents
解析装置、解析方法および解析プログラム Download PDFInfo
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- WO2017141973A1 WO2017141973A1 PCT/JP2017/005543 JP2017005543W WO2017141973A1 WO 2017141973 A1 WO2017141973 A1 WO 2017141973A1 JP 2017005543 W JP2017005543 W JP 2017005543W WO 2017141973 A1 WO2017141973 A1 WO 2017141973A1
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- analysis
- cement
- scale factor
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- 238000004458 analytical method Methods 0.000 title claims abstract description 63
- 239000004568 cement Substances 0.000 claims abstract description 79
- 238000003991 Rietveld refinement Methods 0.000 claims abstract description 58
- 239000013078 crystal Substances 0.000 claims abstract description 55
- 238000000921 elemental analysis Methods 0.000 claims abstract description 21
- 238000002441 X-ray diffraction Methods 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 238000004445 quantitative analysis Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 20
- 239000000203 mixture Substances 0.000 abstract description 9
- 239000000470 constituent Substances 0.000 abstract 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 6
- 238000003908 quality control method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000011398 Portland cement Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 241001504564 Boops boops Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- 235000012241 calcium silicate Nutrition 0.000 description 1
- BCAARMUWIRURQS-UHFFFAOYSA-N dicalcium;oxocalcium;silicate Chemical compound [Ca+2].[Ca+2].[Ca]=O.[O-][Si]([O-])([O-])[O-] BCAARMUWIRURQS-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 235000011963 major mineral Nutrition 0.000 description 1
- 239000011738 major mineral Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004876 x-ray fluorescence Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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Classifications
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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
- G01N23/20—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 using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
- G01N23/207—Diffractometry using detectors, e.g. using a probe in a central position and one or more displaceable detectors in circumferential positions
-
- 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
- G01N23/20—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 using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00189—Compositions or ingredients of the compositions characterised by analysis-spectra, e.g. NMR
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/045—Investigating materials by wave or particle radiation combination of at least 2 measurements (transmission and scatter)
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/05—Investigating materials by wave or particle radiation by diffraction, scatter or reflection
- G01N2223/056—Investigating materials by wave or particle radiation by diffraction, scatter or reflection diffraction
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/60—Specific applications or type of materials
- G01N2223/605—Specific applications or type of materials phases
-
- 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
Definitions
- the present invention relates to an analysis apparatus, an analysis method, and an analysis program for performing quantitative analysis of cement-containing components.
- the Rietveld method (Rietveld H. M., (1969). “A profile refinement method for nuclear and magnetic structure”, J. Applied Cryst., 2, 65-71.) Is based on measured diffraction patterns and crystal structure information. This is a method for obtaining crystal structure information of an actual sample by superimposing the calculated diffraction patterns and performing profile fitting. In profile fitting, a theoretical profile is calculated from known crystal structure information, and crystal structure parameters can be refined by a least square method. In the Rietveld method, even when two or more crystal phases are contained, quantitative analysis of each phase is possible.
- the Borg method is often used for cement quality control.
- the Borg method using a predetermined formula is not suitable for analyzing the composition of various crystal phases.
- the scale factor which is one of the parameters needs to be set by the user or adjusted by the software. Therefore, since the analysis result of the Rietveld method depends on the initial value, different analysis values can be obtained depending on the user. Therefore, skill is required for proper analysis.
- the present invention has been made in view of such circumstances, and there is provided an analysis apparatus, an analysis method, and an analysis program capable of performing quantitative analysis with high accuracy even when an unaccustomed person analyzes the composition of a high-performance cement.
- the purpose is to provide.
- the analysis device of the present invention is an analysis device that performs quantitative analysis of the components contained in the cement, and obtains the content of main elements in the cement sample obtained as a result of elemental analysis.
- the initial value of the scale factor of Rietveld analysis is estimated from the content ratio conversion part that converts the content ratio of the main crystal phase constituting the cement sample according to a predetermined formula and the content ratio of the main crystal phase obtained by the conversion And performing a Rietveld analysis on the X-ray diffraction measurement result of the cement sample, and calculating the content of each phase of the cement sample. And a Rietveld analysis unit.
- the analysis apparatus of the present invention is characterized in that the main crystal phase is four phases of C 3 S, C 2 S, C 3 A, and C 4 AF.
- the content rate of the main component which becomes the basis of a cement product can be calculated
- the analysis device of the present invention is characterized in that the Rietveld analysis unit performs Rietveld analysis while maintaining at least a crystal structure factor constant.
- Rietveld analysis can be efficiently performed on the condition that the crystal structure is constant.
- the analysis device of the present invention is characterized in that the predetermined formula is a Borg type or a modified type according to the Borg type. Thereby, the content rate of each phase of cement can be analyzed stably and with high accuracy.
- the analysis apparatus of the present invention is characterized in that the elemental analysis result is a result obtained by fluorescent X-ray analysis of the cement sample. Thereby, an elemental analysis result can be obtained easily and quickly in a wide range without being influenced by the chemical state.
- the scale factor estimation unit is configured to determine an initial value of the scale factor for each phase identified in advance based on the content ratio of the main crystal phase obtained by the conversion. It is characterized by specifying. This facilitates appropriate setting of the initial value of the scale factor, and enables calculation of the content rate with high accuracy and efficiency.
- the analysis method of the present invention is an analysis method for quantitatively analyzing the components contained in the cement, and the content ratio of the main element in the cement sample obtained as an elemental analysis result is calculated according to a predetermined formula. Converting the content ratio of the main crystal phase constituting the cement sample, estimating the initial value of the scale factor of Rietveld analysis from the content ratio of the main crystal phase obtained by the conversion, and the estimated scale Performing a Rietveld analysis on the X-ray diffraction measurement result of the cement sample using an initial value of the factor, and calculating a content ratio of each phase of the cement sample.
- quantitative analysis of the components contained in various high-functional cements can be performed with high accuracy.
- the analysis program of the present invention is an analysis program for quantitatively analyzing the components contained in the cement, and the content ratio of the main elements in the cement sample obtained as an elemental analysis result is calculated according to a predetermined formula.
- a process for converting the content ratio of the main crystal phase constituting the cement sample, a process for estimating an initial value of a scale factor of Rietveld analysis from the content ratio of the main crystal phase obtained by the conversion, and the estimated scale And a process of performing a Rietveld analysis on the X-ray diffraction measurement result of the cement sample using the initial value of the factor and calculating the content of each phase of the cement sample.
- FIG. 1 is a schematic diagram showing an analysis apparatus 100.
- the analysis apparatus 100 is a PC in which an analysis program is installed, for example, and calculates the content ratio of each component of the cement sample. Strict quality control of the cement product can be performed by adjusting the input amount of the raw material by feeding back from each component of the obtained cement sample.
- the analysis apparatus 100 analyzes a cement sample by combining a formula derived based on a theory such as a Borg formula and a Rietveld analysis. That is, while maintaining the relative value of the analytical value of each crystal phase obtained by the formula, it is converted into a scale factor used for Rietveld analysis, and this is used as the initial value of the analysis. As a result, the scale factor obtained by the formula is the same value regardless of the analyst, and even if a person who does not have sufficient knowledge conducts Rietveld analysis, high quantitative accuracy can be realized for cement-containing components .
- a formula derived based on a theory such as a Borg formula and a Rietveld analysis. That is, while maintaining the relative value of the analytical value of each crystal phase obtained by the formula, it is converted into a scale factor used for Rietveld analysis, and this is used as the initial value of the analysis.
- the scale factor obtained by the formula is the same value regardless of the analyst, and even if a person who does
- FIG. 2 is a block diagram showing a functional configuration of the analysis apparatus 100.
- the analysis apparatus 100 includes a storage unit 110, a content rate conversion unit 120, a crystal phase identification unit 130, a scale factor estimation unit 140, and a Rietveld analysis unit 150.
- the storage unit 110 stores the elemental analysis result and the X-ray diffraction measurement result of the taken cement sample.
- the elemental analysis result is the content of the main element in the cement sample, and is preferably obtained by fluorescent X-ray analysis. Thereby, an elemental analysis result can be obtained easily and quickly in a wide range without being influenced by the chemical state.
- the X-ray diffraction measurement result is a diffraction intensity profile by each crystal phase.
- the content rate conversion unit 120 converts the content rate of the main element in the cement sample into the content ratio of the main crystal phase constituting the cement sample according to a predetermined formula.
- the predetermined formula is preferably a Borg type or a modified Borg type Taylor type. Thereby, the content ratio of each phase of cement can be analyzed stably and with high accuracy. The official details will be described later.
- C 3 S Alite
- C 2 S Belite
- C 3 A Alluminate
- C 4 AF Ferite
- the crystal phase identification unit 130 identifies the crystal phase contained in the cement sample from the X-ray diffraction measurement result. As a result, for example, the above four main components and other trace components can be identified.
- the scale factor estimation unit 140 estimates the initial value of the scale factor of Rietveld analysis from the content ratio of the main crystal phase obtained by the conversion. As a result, quantitative analysis of the components of various high-functional cements, which was difficult with the Borg method alone, can be performed with high accuracy. In addition, Rietveld analysis that depends on the initial value can be stably and highly accurately analyzed, and there is no difference in results due to human skill. The user does not need to perform trial and error to set the initial value, and the work load is reduced.
- the scale factor estimation unit 140 estimates the initial value of the scale factor for the previously identified crystal phase while maintaining the content ratio of the main crystal phase based on the content ratio of the main crystal phase obtained by the conversion. It is preferable. This facilitates appropriate setting of the initial value of the scale factor, and enables calculation of the content rate with high accuracy and efficiency. Details of mathematical formulas and processing used for estimation will be described later.
- the Rietveld analysis unit 150 performs Rietveld analysis on the X-ray diffraction measurement result of the cement sample using the estimated initial value of the scale factor.
- the Rietveld analysis unit 150 preferably performs Rietveld analysis with the crystal structure factors (atomic coordinates, seat occupancy, atomic displacement parameters) fixed. Thus, Rietveld analysis can be efficiently performed on the condition that the crystal structure is constant. Details of the Rietveld analysis will be described later.
- FIG. 3 is a flowchart showing the operation of the analysis apparatus 100.
- the analysis apparatus 100 captures and stores the elemental analysis result (step S1).
- the elemental analysis result is obtained as the element content of the cement sample and can be obtained by fluorescent X-ray analysis.
- the elemental analysis result is obtained as, for example, a CSV file, and can be easily used as data.
- the analyzer 100 captures and stores the X-ray diffraction measurement result (step S2).
- the X-ray diffraction measurement result is, for example, a diffraction intensity profile obtained from a powder sample.
- step S3 the diffraction intensity profile is read, and the crystal phase of the cement sample is identified from the peak position (step S3).
- step S4 the elemental analysis result is read (step S4), and a predetermined formula is applied to convert the content of the main element in the cement sample into the content ratio of the main crystal phase (step S5).
- each crystal phase can be calculated according to the following Borg equation.
- Each formula represents the composition of the compound represented by each chemical formula of the main crystal phase.
- ⁇ C 3 S 4.07 ⁇ CaO- (7.60 ⁇ SiO 2 + 6.72 ⁇ Al 2 O 3 + 1.43 ⁇ Fe 2 O 3 + 2.85 ⁇ SO 3 )
- ⁇ C 2 S 2.87 ⁇ SiO 2 -0.754 ⁇
- ⁇ C 3 S 4.641200 ⁇ CaO-8.838681 ⁇ SiO 2 -7.094597 ⁇ Al 2 O 3 -1.554488 ⁇ Fe 2 O 3 ⁇
- the initial value of the scale factor of Rietveld analysis is estimated from the content ratio of the main crystal phase obtained by the conversion (step S6).
- the RIR value is an abbreviation for Reference Intensity Ratio, and is an intensity ratio when an equal amount of a test sample and aluminum oxide are mixed.
- step S7 using the estimated initial value of the scale factor, Rietveld analysis is performed on the X-ray diffraction measurement result of the cement sample, and a quantitative value is calculated (step S7).
- a calculation profile of the following formula can be fitted to the measurement profile.
- Y i cal A (2 ⁇ i ) ⁇ s n ⁇ P n, h I n, h ⁇ n (2 ⁇ i -2 ⁇ h -T (2 ⁇ i )) + y b (2 ⁇ i ) s n : Scale factor 2 ⁇ h : Black angle A (2 ⁇ i ): Absorption, irradiation area intensity correction P n, h : Orientation correction I n, h : integral intensity ⁇ n : profile function T (2 ⁇ i ): Angle correction y b (2 ⁇ i ): Background function n: Sum for each crystal phase h: Sum of Miller indices
- FIG. 4 is a diagram showing an example of profile fitting in Rietveld analysis.
- the NIST2688 standard sample is the analysis target.
- Rwp which is the most common R factor in Rietveld analysis
- Rwp indicates the degree of coincidence including the background with a weight.
- S is 2.05.
- fitting to this extent is performed.
- the above operations are performed by executing a program on the analysis apparatus 100.
- the formula used for cement analysis is incorporated into the X-ray diffraction software, and the content ratio of each crystal phase in the cement sample is obtained from the elemental analysis result read in accordance with this formula, and this content ratio is calculated by Rietveld analysis. It can be converted into a scale factor and used as an initial value for Rietveld analysis.
- Example 10 Using the analysis apparatus 100, a Portland cement cement sample was actually analyzed. X-ray fluorescence analysis and X-ray diffraction measurement were performed on the same cement sample. And, for the obtained elemental analysis results and X-ray diffraction measurement results, (1) Rietveld analysis using initial values obtained from the Borg equation, (2) Rietveld analysis based on the initial values set by the software, (3) Rietveld analysis based on the initial value set by the user and (4) analysis using only the Borg equation were performed to determine the content of the crystal phase.
- FIG. 5 is a table showing the analysis results. The closer the obtained analysis result is to the standard value, the higher the accuracy of the analysis. As shown in FIG. 5, in any component, in the analysis of the above (1), the quantitative accuracy of each crystal phase is usually within ⁇ 2%. On the other hand, in the analysis results of (2) to (4), any component is greatly deviated from the standard value. Thus, it was demonstrated that the analysis method of the present invention has obtained sufficiently accurate results.
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Abstract
Description
図1は、解析装置100を示す概略図である。解析装置100は、例えば解析プログラムがインストールされたPCであり、セメント試料の各成分の含有率を算出する。得られたセメント試料の各成分からフィードバックし原料の投入量を調整すれば、セメント製品の厳密な品質管理を行なうことが可能である。
次に、上記のように構成された解析装置100の動作を説明する。図3は、解析装置100の動作を示すフローチャートである。まず、解析装置100は、元素分析結果を取り込んで保存する(ステップS1)。元素分析結果は、セメント試料の元素の含有率として得られ、蛍光X線分析により得ることができる。元素分析結果は、例えばCSVファイルとして得られ、データとしての利用は容易である。一方で、解析装置100は、X線回折測定結果を取り込んで保存する(ステップS2)。X線回折測定結果は、例えば粉末試料から得られた回折強度プロファイルである。
・C3S=4.07×CaO-(7.60×SiO2+6.72×Al2O3+1.43×Fe2O3+2.85×SO3)
・C2S=2.87×SiO2-0.754×C3S
・C3A=2.65×Al2O3-1.69×Fe2O3
・C4AF=3.04×Fe2O3
・C3S=4.641200×CaO-8.838681×SiO2-7.094597×Al2O3-1.554488×Fe2O3
・C2S=-3.724144×CaO+10.29531×SiO2+5.343733×Al2O3+1.065700×Fe2O3
・C3A=0.117872×CaO-0.369269×SiO2+3.669829×Al2O3-3.955085×Fe2O3
・C4AF=-0.023283×CaO-0.055816×SiO2-0.867256×Al2O3+5.621492×Fe2O3
・Wi=siZiMiVi/ΣsnZnMnVn
W:結晶相の重量比
s:尺度因子
Z:単位格子内の分子の数
M:分子の質量数
V:単位格子の体積
i:i番目の結晶相
・yi cal=A(2θi)ΣsnΣPn,hIn,hφn(2θi-2θh-T(2θi))+yb(2θi)
sn:尺度因子
2θh:ブラック角
A(2θi):吸収、照射面積の強度補正
Pn,h:配向補正
In,h:積分強度
φn:プロファイル関数
T(2θi):角度補正
yb(2θi):バックグラウンド関数
n:各結晶相についての和
h:ミラー指数についての和
上記の解析装置100を用いて、実際にポルトランドセメントのセメント試料を解析した。同一のセメント試料に対して蛍光X線分析およびX線回折測定を行なった。そして、得られた元素分析結果およびX線回折測定結果に対し、(1)ボーグ式から得られた初期値を用いたリートベルト解析、(2)ソフトウェアが設定した初期値に基づくリートベルト解析、(3)ユーザが設定した初期値に基づくリートベルト解析、(4)ボーグ式のみによる解析、をそれぞれ行ない、結晶相の含有率を求めた。
110 記憶部
120 含有率変換部
130 結晶相同定部
140 尺度因子推定部
150 リートベルト解析部
Claims (8)
- セメントの含有成分の定量分析を行なう解析装置であって、
元素分析結果として得られた、セメント試料における主要元素の含有率を、所定の公式により前記セメント試料を構成する主結晶相の含有比に変換する含有率変換部と、
前記変換で得られた主結晶相の含有比からリートベルト解析の尺度因子の初期値を推定する尺度因子推定部と、
前記推定された尺度因子の初期値を用いて、前記セメント試料のX線回折測定結果に対してリートベルト解析を行ない、前記セメント試料の各相の含有率を算出するリートベルト解析部と、を備えることを特徴とする解析装置。 - 前記主結晶相は、C3S、C2S、C3AおよびC4AFの4相であることを特徴とする請求項1記載の解析装置。
- 前記リートベルト解析部は、少なくとも結晶構造因子を一定に維持しつつリートベルト解析を実行することを特徴とする請求項1または請求項2記載の解析装置。
- 前記所定の公式は、ボーグ式またはボーグ式に準じる変形式であることを特徴とする請求項1から請求項3のいずれかに記載の解析装置。
- 前記元素分析結果は、前記セメント試料を蛍光X線分析して得られた結果であることを特徴とする請求項1から請求項4のいずれかに記載の解析装置。
- 前記尺度因子推定部は、前記変換で得られた主結晶相の含有比に基づいて、予め同定された各相に対して前記尺度因子の初期値を特定することを特徴とする請求項1から請求項5のいずれかに記載の解析装置。
- セメントの含有成分の定量分析を行なう解析方法であって、
元素分析結果として得られた、セメント試料における主要元素の含有率を、所定の公式により前記セメント試料を構成する主結晶相の含有比に変換するステップと、
前記変換で得られた主結晶相の含有比からリートベルト解析の尺度因子の初期値を推定するステップと、
前記推定された尺度因子の初期値を用いて、前記セメント試料のX線回折測定結果に対してリートベルト解析を行ない、前記セメント試料の各相の含有率を算出するステップと、を含むことを特徴とする解析方法。 - セメントの含有成分の定量分析を行なう解析プログラムであって、
元素分析結果として得られた、セメント試料における主要元素の含有率を、所定の公式により前記セメント試料を構成する主結晶相の含有比に変換する処理と、
前記変換で得られた主結晶相の含有比からリートベルト解析の尺度因子の初期値を推定する処理と、
前記推定された尺度因子の初期値を用いて、前記セメント試料のX線回折測定結果に対してリートベルト解析を行ない、前記セメント試料の各相の含有率を算出する処理と、を含むことを特徴とする解析プログラム。
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