The paper reports a basic method to extract natural pigment from sugarcane skin and carries out the determination of pigment by the ultraviolet and visible light spectrum and infrared spectrum.

研究了以紫色甘蔗皮为原料提取色素的基本方法，并进行了紫外可见光谱、红外光谱的测定。

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Our main products include basic Inorganic and Organic chemicals, Pigment &Dyestuff and feedstuff, which have enjoyed great popularity in the world market, with good quality and reasonable prices.

我们的主要产品包括基本有机或无机化工、色素及饲料很受欢迎，在世界市场上，以优良的品质，合理的价格…

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The production technology of basic lead carbonate pearlescent pigment by pushing process, glycol methoxymethane method and inversing phase method were introduced.

介绍了碱式碳酸铅珠光颜料乙二醇甲醚法挤水转相生产工艺，对影响因素进行了研究。

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