colloidal

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Graham considered "colloidal silicic acid a liquid miscible with water in all proportions."

Colloidal platinum in water is negative, in a mixture of water and alcohol, positive.

Colloidal preparations of platinum, silver and many other metals may be prepared in the same way.

Other varieties of heterogeneous colloidal mixtures are tabulated by Wo.

Thus, colloidal As2S3, carrying a negative charge, is precipitated by the positive ions of added electrolytes.