Uso de um sal de perborato ou percarbonato de metal alcalino composição detergente líquida de peróxido alcalino sistema alvejante de peroxigênio ativado e processo para limpeza de um material

摘要

Use of an alkali metal perborate or percarbonate salt as a buffering additive in the manufacture of an alkaline peroxide-containing liquid detergent composition, characterised in that the level of the persalt added, based on peroxide equivalent content, is less than 90 %, preferably less than 75 %, most preferably less than half of the total peroxide equivalent in the composition. Also a method of cleaning laundry comprising the direct application to the laundry or a selected part of the laundry of a composition according to any one of claims 5 to 8, optionally followed by a rubbing action.