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Specimen preparation
Whitfield, P.S., Huq, A. and Kaduk, J.A.  International Tables for Crystallography (2018). Vol. H, ch. 2.10, pp. 200-222 [ doi:10.1107/97809553602060000945 ]
... of samples for collection of powder diffraction data is sometimes a tedious process, but is vitally important to get the quality ... radiation and neutron sources). Powder X-ray diffraction is a popular technique, as it is quick and easy to obtain a data set in a non-destructive manner. However, the ...

Isotopes, absorption and activation
Whitfield, P.S., Huq, A. and Kaduk, J.A.  International Tables for Crystallography (2018). Vol. H, Section 2.10.2.4, pp. 219-221 [ doi:10.1107/97809553602060000945 ]
... sourced lithium salts it is not always safe to assume a natural abundance of lithium isotopes. 6Li is used in the ... of 6Li and 7Li, this can have serious consequences for a structure refinement, so it may be necessary to perform an ... C (2006) . If the sample contains any element with a large absorption and is not isotopically substituted, it is ...
     [more results from section 2.10.2 in volume H]

Capillaries
Whitfield, P.S., Huq, A. and Kaduk, J.A.  International Tables for Crystallography (2018). Vol. H, Section 2.10.1.4.2.2, pp. 215-218 [ doi:10.1107/97809553602060000945 ]
... in materials with needle-like morphologies but are still useful, a possible analogy being that the crystallites pack into the capillary like a handful of pencils in a glass. The extent of the problems with needles depends ...
     [more results from section 2.10.1 in volume H]

Conclusions
Whitfield, P.S., Huq, A. and Kaduk, J.A.  International Tables for Crystallography (2018). Vol. H, Section 2.10.3, p. 221 [ doi:10.1107/97809553602060000945 ]
Conclusions 2.10.3. Conclusions Powder diffraction as a technique encompasses a wide range of possible experimental setups. Diverse though they are, specimen-preparation methods are a key component in obtaining the best possible data for ...

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