A new formulation for removal of incrustation on aluminium heater surface is proposed. It consists of 0.05% of organic phosphate and 5% of nitric acid.

• 提出一种清除铝换热器表面水垢的新配方；该配方由有机磷酸和硝酸组成。试验表明；在5%25硝酸溶液中添加0.；05%25有机磷酸后；能有效地抑制铝的腐蚀；缓蚀率达89