plz answer...

Asked by  | 5th Dec, 2008, 08:54: PM

Expert Answer:

Gold number is a term used in colloidal chemistry. it is defined as the number of milli grams of the protective colloid that will just prevent the coagulation of 10ml gold sol on the addition of 1 ml 10 percent sodium chloride solution.

Answered by  | 6th Dec, 2008, 02:54: AM

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