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Ananya Shree

Class 11th
Physics
2 years ago

What is Gold number?

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Muskan Anand

2 years ago

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 gold sol by the addition of 1 ml of 10%NaCl solution

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