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Intensity standards
Parrish, W., Wilson, A. J. C. and Langford, J. I.  International Tables for Crystallography (2006). Vol. C, Section 5.2.11, p. 500 [ doi:10.1107/97809553602060000596 ]
Intensity standards 5.2.11. Intensity standards The measurement of intensity falls within the scope of Parts 6 and 7 . However, powder methods are much used in quantitative analysis, and the National Institute of Standards and Technology provides five standards for use as internal standards for this purpose and for checking the ...

Testing for remanent systematic error
Parrish, W., Wilson, A. J. C. and Langford, J. I.  International Tables for Crystallography (2006). Vol. C, Section 5.2.9, p. 498 [ doi:10.1107/97809553602060000596 ]
... Beu, Musil & Whitney, 1962, 1963; Beu, 1964; Beu & Whitney, 1967; Langford, Pike & Beu, 1964; see also Mitra, Ahmed & Das Gupta, 1985 ... Acta Cryst. 17, 1149-1164. Beu, K. E., Musil, F. J. & Whitney, D. R. (1962). Precise and accurate lattice parameters by film powder methods. I. The likelihood ratio method. Acta Cryst. 15, 1292-1301. ...

Camera methods
Parrish, W., Wilson, A. J. C. and Langford, J. I.  International Tables for Crystallography (2006). Vol. C, Section 5.2.8, pp. 497-498 [ doi:10.1107/97809553602060000596 ]
... by reducing collimator dimensions parallel to axis + or - Complex See Langford, Pike & Beu (1964) Film shrinkage + Affects only van Arkel arrangement ... Bradley-Jay arrangements. For Straumanis-Ievins', + or - and , respectively. References Langford, J. I., Pike, E. R. & Beu, K. E. (1964). ...

Energy-dispersive techniques
Parrish, W., Wilson, A. J. C. and Langford, J. I.  International Tables for Crystallography (2006). Vol. C, Section 5.2.7, pp. 496-497 [ doi:10.1107/97809553602060000596 ]
... can be converted from angle-dispersive to energy-dispersive by (i) replacing the usual counter by a solid-state detector, (ii ... be paid to the irradiated volume and the specimen transparency (Langford & Wilson, 1962; Mantler & Parrish, 1977). As Sparks & Gedcke (1972 ... g([theta]) is an angle-dependent response (Lorentz factor etc.); I(E -E1)dE is the counting rate recorded at ...

Whole-pattern methods
Parrish, W., Wilson, A. J. C. and Langford, J. I.  International Tables for Crystallography (2006). Vol. C, Section 5.2.6, p. 496 [ doi:10.1107/97809553602060000596 ]
... 1980) or the whole pattern can be fitted (Pawley, 1981; Langford, Lour, Sonneveld & Visser, 1986; Toraya, 1986, 1988); unlike the ... overlapping. Some judgement and critical tests are often required. References Langford, J. I., Lour, D., Sonneveld, E. J. & Visser, J. ...

Angle-dispersive diffractometer methods: synchrotron sources
Parrish, W., Wilson, A. J. C. and Langford, J. I.  International Tables for Crystallography (2006). Vol. C, Section 5.2.5, pp. 495-496 [ doi:10.1107/97809553602060000596 ]
... References Hart, M. (1981). Bragg angle measurement and mapping. J. Cryst. Growth, 55, 409-427. Hart, M., Cernik, R., Parrish ... 1990). Lattice parameter determination for powders using synchrotron radiation. J. Appl. Cryst. 23, 286-291. Huang, T. C. (1988). Precision peak determination in X-ray powder diffractometry. Aust. J. Phys. 41, 201-212. Parrish, W. (1988). Advances ...

Angle-dispersive diffractometer methods: conventional sources
Parrish, W., Wilson, A. J. C. and Langford, J. I.  International Tables for Crystallography (2006). Vol. C, Section 5.2.4, p. 495 [ doi:10.1107/97809553602060000596 ]
... above Two sets Wide Soller slits Complex. See Pike (1957), Langford & Wilson (1962), Wilson (1963, 1974), and Gillham (1971) Refraction Physical ... with conventional diffractometer. Acta Cryst. 23, 693-700. Wilson, A. J. C. (1961). A note on peak displacements in X ... diffractometry. Proc. Phys. Soc. London, 78, 249-255. Wilson, A. J. C. (1963). Mathematical theory of X-ray powder ...

Extrapolation, graphical and analytical
Parrish, W., Wilson, A. J. C. and Langford, J. I.  International Tables for Crystallography (2006). Vol. C, Section 5.2.3.2, pp. 493-494 [ doi:10.1107/97809553602060000596 ]
... X-ray powder photographs. Z. Kristallogr. 94, 306-310. Ferguson, I. F., Rogerson, A. H., Wolstenholme, J. F. R., Hughes, T. E. & Huyton, A. (1987). FIRESTAR ... R-909(S). London: HMSO, February 1987. Gillham, C. J. (1971). Centroid shifts due to axial divergence and ...
     [more results from section 5.2.3 in volume C]

Statistical fluctuations
Parrish, W., Wilson, A. J. C. and Langford, J. I.  International Tables for Crystallography (2006). Vol. C, Section 5.2.2.3, pp. 492-493 [ doi:10.1107/97809553602060000596 ]
... Spectrochim. Acta, 12, 169-178. Pike, E. R. & Wilson, A. J. C. (1959). Counter diffractometer - the theory of the use ... for high accuracy in the measurement of diffraction angles. Br. J. Appl. Phys. 10, 57-68. Thomsen, J. S. & Yap, F. Y. (1968a). Effect of statistical ...
     [more results from section 5.2.2 in volume C]

Bragg angle: operational definitions
Parrish, W., Wilson, A. J. C. and Langford, J. I.  International Tables for Crystallography (2006). Vol. C, Section 5.2.1.4, pp. 491-492 [ doi:10.1107/97809553602060000596 ]
Bragg angle: operational definitions 5.2.1.4. Bragg angle: operational definitions The Bragg angles are determined from the observations by a series of operations that are often quite complex. For film cameras of diameter 57.3 or 114.6mm, a simple measurement with a millimetre scale gives [theta] in degrees (1mm = 1 or 0.5). ...
     [more results from section 5.2.1 in volume C]

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