Gold number is a measure of??
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The Gold Number is the minimum weight (in milligrams) of a protective colloid required to prevent the coagulation of 10 ml of a standard hydro gold sol when 1 ml of a 10% sodium chloride solution is added to it.
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Gold number is measure of minimum amount of lyophillic protective colloid (as gelatin, a natural gum, or a cellulose derivative) coating (in mg.) on lyophobic (liquid hating) particles
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