自1923年发现铬酸电解质对铝进行阳极氧化而制出一种多孔性的稳定的氧化膜之后,就对这种铝氧化膜的可染性进行了各种研究。首先发现用茜素染料能染成红色和黄色,以后又用醋酸钴和高锰酸钾将氧化铝膜染成古铜色。1936年彼得罗夫在一次偶然的机会中发现水解铁盐的热溶液能将氧化铝膜染成美丽的金黄色。由于这一偶然的发现,成了现代制作铝质器件“金色”色调的研究基础。 After the chromic acid electrolyte was found to have been anodized to aluminum in 1923 to produce a porous and stable oxide film, various studies on the dyeability of this aluminum oxide film have been made. First found that with alizarin dye can be dyed red and yellow, and later with cobalt acetate and potassium permanganate aluminum oxide film dyed bronze. In 1936 Petrov discovered in a fortuitous opportunity that a hot solution of ferric salt hydrolyzed aluminum oxide to a beautiful golden color. As a result of this accidental discovery, modern research has become the basis of the “golden” hue of aluminum devices.