Aluminium and aluminium alloys - Anodizing - Part 7: Assessment of quality of sealed anodic oxidation coatings by measurement of the loss of mass after immersion in phosphoric acid/chromic acid solution with prior acid treatment
铝和铝合金.阳极氧化.第7部分:通过测量在酸处理前浸入磷酸/铬酸溶液后的质量损失来评定密封阳极氧化涂层的质量