Microstructure of KGa-1b and KGa-2 kaolin suspensions revisited

Yee Kwong Leong, Pengfei Liu, Pek Ing Au, Peta Clode

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


The microstructures of the Clay Mineral Society's kaolinite KGa-1b and KGa-2 suspensions obtained by cryo-SEM imaging published in “Au et al. Colloids and Surfaces A: Physicochem. Eng. Aspects, 484 (2015) 354−364” [1] are now believed to be affected by ice crystals formation. This short communication will provide the artefact-free microstructures. To prevent hexagonal ice-crystal formation, the suspension samples for microstructure cryo-SEM imaging were subjected to high pressure of up to 2000 bars and then freezing at a rapid rate of 25,000 °C s−1.

Original languageEnglish
Article number126354
JournalColloids and Surfaces A: Physicochemical and Engineering Aspects
Publication statusPublished - 20 May 2021


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