An investigation into the crystal structure of some diarylide yellow pigments using x-ray powder diffraction

R. M. Christie, J. E. Monteith, M. J. Barrow

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Synthesis of the diarylide yellow pigments CI Pigments Yellow 12, 13, 14 and 63 using traditional aqueous procedures initially gives the pigments in a relatively amorphous form which becomes crystalline when heat-treated. The crystalline form which develops has been shown to be the same as that which has been characterised by single crystal analysis on the basis of a comparison between the calculated and experimental x-ray powder diffraction profiles. Differential scanning calorimetry (DSC) investigation of the weakly-crystalline pigment samples demonstrates an exothermic crystallisation process.

Original languageEnglish
Pages (from-to)247-252
Number of pages6
JournalSurface Coatings International Part B: Coatings Transactions
Volume86
Issue number4
Publication statusPublished - Dec 2003

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