1973
DOI: 10.3891/acta.chem.scand.27-0493
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Automatic Densitometer Measurements of Powder Diffraction Photographs.

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Cited by 63 publications
(28 citation statements)
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“…There is also a widespread need for experimental techniques for performing structural studies where single-phase powder cannot be obtained. It is clear that the full-profile analysis procedure of Rietveld (1969) can find an application in both fields; particularly the technique as applied to microdensitometermeasured Guinier-H~igg X-ray powder film data (Malmros & Werner, 1973;Malmros & Thomas, 1977;Berg & Werner, 1977). The latter method has the great advantage that it requires extremely small amounts of powder (down to 0-2 mg) and, in as much as it takes full account of overlap, it makes optimal use of the data available.…”
Section: Introductionmentioning
confidence: 99%
“…There is also a widespread need for experimental techniques for performing structural studies where single-phase powder cannot be obtained. It is clear that the full-profile analysis procedure of Rietveld (1969) can find an application in both fields; particularly the technique as applied to microdensitometermeasured Guinier-H~igg X-ray powder film data (Malmros & Werner, 1973;Malmros & Thomas, 1977;Berg & Werner, 1977). The latter method has the great advantage that it requires extremely small amounts of powder (down to 0-2 mg) and, in as much as it takes full account of overlap, it makes optimal use of the data available.…”
Section: Introductionmentioning
confidence: 99%
“…This method is particularly appropriate for small samples. The di¡raction patterns were recorded on ¢lms, visually examined and read by an LS20 optical densitometer (Malmros and Werner, 1973;Johansson et al, 1980). Identi¢cations of the phases were made using the DIFFRAC-AT (Nusinovici and Winter, 1994) program including the ICDD Powder Di¡raction Data Base, ASTM ¢les 24-0027 and 41-1475 were used to identify calcite and aragonite respectively.…”
Section: X-ray Di¡ractionmentioning
confidence: 99%
“…peak positions, integrated intensities and step-scan intensities were extracted from the powder photograph. This was performed by using an extended version of the drum film scanner system described by MALMROS and WERNER (1973 …”
Section: Data Collectionmentioning
confidence: 99%