| DRAFT DICTIONARY CBF/imgCIF Extensions Dictionary | Draft version 1.5 for comment | 
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Definition:
        The method used to obtain monochromatic radiation. If a
               monochromator crystal is used, the material and the
               indices of the Bragg reflection are specified.
Examples:| 'Zr filter' | 
| 'Ge 220' | 
| none | 
| 'equatorial mounted graphite' | 
Type: text
Mandatory item: no
Alias:Category: diffrn_radiation
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