Abstract
COLLOIDS comprise all matter that is made up of particles smaller than a wave-length of light, but larger than a single molecule of an ordinary crystalloidal substance such as sugar, salt, or water. It would appear that in some cases the chemical molecules are linked together into particles of colloidal dimensions, and then from these particles are built up the familiar structures such as rubber, fibres of cotton, wood, or earthenware. It is a moot question as to whether, in the case of certain highly complex organic substances, the single molecules themselves may not be large enough to exhibit the distinctive properties of colloidal particles.
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MCBAIN, J. Colloids and Colloidal Electrolytes. Nature 107, 46–48 (1921). https://doi.org/10.1038/107046a0
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DOI: https://doi.org/10.1038/107046a0