still for framstellning of natriumperkarboratpartiklar, whose banks utgores of pcs and the finance dismantling utgores of avvattnat sodium perborate and sodium silicate

摘要

There are prepared sodium percarbonate particles comprising a sodium percarbonate nucleus encased in a layer of a mixture of dehydrated sodium perborate and sodium silicate prepared by spraying the sodium percarbonate with a supersaturated solution of sodium perborate and a sodium silicate solution and drying to at least partially remove the added water.