Gold number is the index for:

Question

Gold number is the index for: (A) protective colloid (B) purity of gold (C) metallic gold (D) electroplated gold

Tardigrade Admin · Accepted Answer

Lyophilic colloids are called protective colloid because they protect lyophobic colloids from precipitation.
The protective power of lyophilic colloids is compared by Gold number.
Smaller the gold number of protective colloid greater is its protective action.

Q. Gold number is the index for:

protective colloid

purity of gold

metallic gold

electroplated gold

Lyophilic colloids are called protective colloid because they protect lyophobic colloids from precipitation. The protective power of lyophilic colloids is compared by Gold number. Smaller the gold number of protective colloid greater is its protective action.

Lyophilic colloids are called protective colloid because they protect lyophobic colloids from precipitation.
The protective power of lyophilic colloids is compared by Gold number.
Smaller the gold number of protective colloid greater is its protective action.