1. A PROCESS FOR THE PREPARATION OF A SURFACEACTIVE ORGANIC NITROSATION-SULFITATION PRODUCT IN THE POLYVALENT METAL SALT FORM, WHICH COMPRISES REACTING A WATER-SOLUBLE SALT OF A POLYVALENT METAL WITH AN ORGANIC NITROSATION-SULFITATION PRODUCT WHICH IS IN THE FORM OF A WATER-SOLUBLE SALT, IN A LIQUID REACTION MEDIUM CONTAINING WATER SALT, IN A LIQUID REACTION MEDIUM CONTAINING WATER AND AN ALCOHOLIC SOLVENT OF LOW WATER-SOLUBILITY SELECTED FROM THE GROUP CONSISTING OF ALCOHOLS OF LOW WATER-SOLUBILITY, MIXTURES OF ALCOHOLS WITH LIQUID AROMATIC HYDROCARBONS, AND MIXTURES OF ALCOHOLS WITH LOW-BOILING PARAFFINIC HYDROCARBONS, SAID ORGANIC NITROSATION-SULFITATION PRODUCT INCLUDING SULFONATED KETONES, SULFONATED AMINES, SULFONATED ALKYLIDENE SULFAMATES, SULFONATED ALKYL SULFAMATES AND BISULFITE ADDITION PRODUCTS OF SULFONATED ALKYLIDENE SULFAMATES AND HAVING BEEN OBTAINED BY REACTING A SULFITE WITH AN ADDITION PRODUCT RESULTING FROM THE REACTION OF A NOTROSATING AGENT WITH AN UNSATURATED ORGANIC COMPOUND OF 10 TO 30 CARBON ATOMS HAVING AT LEAST ONE NON-AROMATIC.