Note sur le virage du rouge au bleu d'hy
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L. De Brouckere; A. Watillon; F. van Grunderbeeck
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Article
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2010
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Wiley (John Wiley & Sons)
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## Abstract It has been shown that the colour change, from red to blue which takes place when a gold hydrosol is coagulated by an electrolyte can not be ascribed to an increase in particle size. This conclusion is based on the fact that an instantaneous change in colour takes place on adding the el