Evaluation by nitrogen adsorption of crystal aggregation in organic pigments

Robert R. Mather

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


Organic pigments consist of tiny molecular crystals with a propensity to cluster into aggregates. Such aggregation is commercially undesirable. The properties of the crystal aggregates can be investigated by the use of nitrogen adsorption isotherms. The review describes how a measure of the extent of crystal aggregation can be provided from the combined application of nitrogen isotherms and transmission electron microscopy. The application of full nitrogen isotherms to the study of crystal aggregation is also discussed.

Original languageEnglish
Pages (from-to)17-21
Number of pages5
JournalDyes and Pigments
Issue number1-2
Publication statusPublished - Oct 2000


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