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A perspective on a century of inert seeds in crystallisation

A perspective on a century of inert seeds in crystallisation
A perspective on a century of inert seeds in crystallisation
There are many accounts of inert seeds that grow only slowly and fail to proliferate. In the normal course of unseeded crystallisation this results in a latent period between the first cloud point or crystal precipitation and the main crystallisation event. However, similar behaviour has been also observed in seeded crystallisations. Even a smooth precipitation curve may hide periods of nucleation and periods of proliferation within it. Latent periods have often been observed during crystallisation, but infrequently recognised. There are also many reports of critical seed sizes below which they do not bring about secondary nucleation. Sizes between 1 and 900micrometres have been recorded for different substances under different experimental conditions. It seems likely that the reported failure of small seeds to grow is related to their surface features rather than to their size.
1466-8033
1-9
Coles, Simon
3116f58b-c30c-48cf-bdd5-397d1c1fecf8
Threlfall, Terence L.
dc1fe3b2-c0c1-465c-942f-dbd4af68a37e
Coles, Simon
3116f58b-c30c-48cf-bdd5-397d1c1fecf8
Threlfall, Terence L.
dc1fe3b2-c0c1-465c-942f-dbd4af68a37e

Coles, Simon and Threlfall, Terence L. (2013) A perspective on a century of inert seeds in crystallisation. CrystEngComm, 1-9. (doi:10.1039/C3CE42359J).

Record type: Article

Abstract

There are many accounts of inert seeds that grow only slowly and fail to proliferate. In the normal course of unseeded crystallisation this results in a latent period between the first cloud point or crystal precipitation and the main crystallisation event. However, similar behaviour has been also observed in seeded crystallisations. Even a smooth precipitation curve may hide periods of nucleation and periods of proliferation within it. Latent periods have often been observed during crystallisation, but infrequently recognised. There are also many reports of critical seed sizes below which they do not bring about secondary nucleation. Sizes between 1 and 900micrometres have been recorded for different substances under different experimental conditions. It seems likely that the reported failure of small seeds to grow is related to their surface features rather than to their size.

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More information

Published date: 23 December 2013
Organisations: Faculty of Natural and Environmental Sciences, Organic Chemistry: Synthesis, Catalysis and Flow, Chemistry

Identifiers

Local EPrints ID: 362244
URI: http://eprints.soton.ac.uk/id/eprint/362244
ISSN: 1466-8033
PURE UUID: 93236fbd-2466-44d0-a1bd-bf12f97b1930
ORCID for Simon Coles: ORCID iD orcid.org/0000-0001-8414-9272

Catalogue record

Date deposited: 19 Feb 2014 13:35
Last modified: 18 Feb 2021 16:53

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