Question

How the protective power of a colloidal solution depends on its Gold number?

Answer 1

Answer:

Gold Number is the number of milligrams of a protective colloid which prevents the coagulation of 10 ml of a standard hydro gold sol,on coagulation changes from red to blue, which is prevented by a protective colloid. of 1ml 10% NaCl solution

Answer 2

Answer:

Gold Number is the number of milligrams of a protective colloid which prevents the coagulation of 10 ml of a standard hydro gold sol,on coagulation changes from red to blue, which is prevented by a protective colloid. of 1ml 10% NaCl solution.

Explanation: Gold Numberis defined as the minimum amount of lyophilic colloid in milligrams which prevents the flocculation of 10ml gold sol by the addition of 1 ml of 10%NaCl solution.It was first used by Zsigmondy.

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