Compositions for the desulphatizing cleaning of stone surfaces of prevailingly carbonatic nature or of layers of such nature on different materials, consisting of a mixture of an anion exchange material (for instance an anionic exchange resin) with an aqueous solution of ammonium carbonate and optionally with additives.
用于对普遍碳化的石材表面或不同材料上的碳化层进行脱
硫清洁的组合物,由阴离子交换材料(例如阴离子交换
树脂)与
碳酸铵水溶液的混合物组成,还可选择使用添加剂。