Crystallographic Information Framework

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Powder dictionary (pdCIF) version 1.0.1

_pd_spec_preparation

Name:
'_pd_spec_preparation'

Definition:

   A description of the preparation steps for producing the
   diffraction specimen from the sample. Include any procedures
   related to grinding, sieving, spray drying etc. For
   information relevant to how the sample is synthesized, use
   the _pd_prep_ entries.

Examples:

'wet grinding in acetone'
'sieved through a 44 micron (325 mesh/inch) sieve'
'spray dried in water with 1% clay'

Type: char

Category: pd_spec


International Tables for Crystallography

Volume G: Definition and exchange of crystallographic data

First online edition (2006)

Edited by S. R. Hall and B. McMahon

An essential guide and reference to CIF for programmers, data managers handling crystal-structure information and practising crystallographers.