A method for the purification of steatite

摘要

A method for the purification of smoked bacon stones characterized in that said first with an aqueous detergent1) containing0,5 – 10% Diethylene glycol monobutyl ether0,5 – 10% Of ethylene glycol monobutyl ether0,1 – 1% Alkali metal hydroxides0,1 – 1% Alkali metal silicates0,5 – 10% Alkali metal phosphates0,5 – 10% Alkali isopropyl benzene sulfonates0,5 – 10% Isotridecanol ethoxy late0,5 – 10% n - alkyl benzene sulfonates, ether sulfonates, fatty alcohol ethoxylates0,5 – 10% Fatty acid soaps (alkali)and then with an anhydrous detergent2) containing10 – 50% Cyclo paraffin10 – 50% Isoparaffin (c.₈-C.₁₀)1 – 10% n - paraffin (c.₆-C.₈)is treated.