The Impressionists created violet by glazing cobalt blue or ultramarine with red, or by using new cobalt and manganese violet pigments that had become available to artists.

印象派画家通过在钴蓝色或群青色上涂一层红色来得到紫色，或者直接使用当时已经开始生产的紫色钴锰颜料。

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This paper has studied the phthalocyanine complex of Cobalt synthesized by benzene bitter wine-urea law, and after depuration, an infrared, ultra-violet spectrograph determination is carried.

文章主要研究了苯酐-尿素法合成酞菁钴、经提纯并对其进行红外、紫外光谱测定、合成及表征结果表明，红外光谱表征推测结构可靠，紫外光谱分析表明有特征吸收峰之处。

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