BS EN 12373-6:1999
铝和铝合金.阳极氧化.测定未预先酸处理的浸入磷酸/铬酸溶液后质量损失以评估密封阳极氧化镀层质量
Aluminium and aluminium alloys - Anodizing - Assessment of quality of sealed anodic oxidation coatings by measurement of the loss of mass after immersion in phosphoric acid/chromic acid solution without prior acid treatment