Question

what is the meaning of gold number?????????????​

Answer 1

Explanation:

Gold Number is a term used in colloidal chemistry. It is defined as the minimum amount of protective colloid in milligrams which prevents a color change from red to violet of 10ml goldsol by the addition of 1 ml of 10%NaCl solution.

Answer 2

Gold Number :

The minimum mass of protective colloid is the added to 10 ml of a standard red gold sol (Containing 0.0053 to 0.0058) so that no coagulation of the gold soltakes place is called the Gold Number.

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