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colloidal    音标拼音: [kəl'ɔɪdəl]

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  • Colloid - Wikipedia
    The term colloidal refers to a state of subdivision, implying that the molecules or polymolecular particles dispersed in a medium have at least in one direction a dimension roughly between 1 nanometre and 1 micrometre, or that in a system discontinuities are found at distances of that order
  • Colloid | Definition Facts | Britannica
    Colloid, any substance consisting of particles substantially larger than atoms or ordinary molecules but too small to be visible to the unaided eye Colloidal systems may exist as dispersions of one substance in another or as single materials Learn more about colloids in this article
  • Colloids: Definition, Characteristics, Types, and Examples
    These particles can be solid, liquid, or gas In contrast to true solutions where the solute particles are completely dissolved, colloidal particles stay mixed in the liquid and do not settle at the bottom because of gravity, creating a mixture that is not uniform
  • What Is Colloidal? Definition, Types, and Uses - Biology Insights
    Colloidal describes a state where tiny particles, too small to see with the naked eye but larger than individual molecules, are evenly dispersed throughout another substance These particles range roughly from 1 to 1,000 nanometers in diameter
  • What Is a Colloid? Definition and Examples
    In chemistry, a colloid is a mixture of tiny particles that are dispersed in another medium The particles are microscopic in size, ranging from 1 nanometer (nm) to 1 micrometer (μm) in diameter In contrast, particles in a solution are smaller than this size, while particles in a suspension are larger
  • COLLOIDAL Definition Meaning - Merriam-Webster
    The meaning of COLLOIDAL is of, relating to, or having the properties of a colloid How to use colloidal in a sentence
  • 11. 5 Colloids - Chemistry 2e | OpenStax
    Another class of mixtures called colloids (or colloidal dispersions) exhibit properties intermediate between those of suspensions and solutions (Figure 11 29) The particles in a colloid are larger than most simple molecules; however, colloidal particles are small enough that they do not settle out upon standing
  • 11. 5 Colloids | Chemistry - Lumen Learning
    Many colloidal particles are aggregates of hundreds or thousands of molecules, but others (such as proteins and polymer molecules) consist of a single extremely large molecule
  • Colloids – Chemistry - UH Pressbooks
    Colloidal particles are either very large molecules or aggregates of smaller species that usually are big enough to scatter light Colloids are homogeneous on a macroscopic (visual) scale, while solutions are homogeneous on a microscopic (molecular) scale
  • What Are Colloids? - ChemTalk
    A colloid, or a colloidal solution, is a mixture consisting of molecules or particles dispersed in solution Unlike the other two primary types of mixture, solutions and suspensions, colloids contain particles that are evenly distributed throughout the solution





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