... 色纸，彩色纸：color sheet 色素;有色物质：coloring matter 色谱分析纸，色层分析纸：chromotographic paper ...
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Although peanut hull is an attractive option for the treatment of low-concentration metal ion wastewater, peanut hull has much water-soluble organic pigment, when immersion with water, colored matter flow outlet.
实验中,虽然花生壳对水中低浓度的重金属离子有良好的吸附效果,但是因为花生壳中还含有较多的水溶性有机色素,经浸泡后,有色物质流出,处理过的水样,从浅棕色到黄褐色都有一定程度的染色,这样,用花生壳处理过的重金属废水需要再次处理,造成了资源和能源的浪费,花生壳处理含重金属废水的优势也大打折扣。
参考来源 - 天然植物材料作为吸附剂处理低浓度重金属废水的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
颜料：颜料是不能溶解的有色物质。
它们也可用于其他有色物质，像是墨水、化妆品和纺织品。
They could also be used in other coloured substances, such as ink, cosmetics and textiles.
文章研究了盐湖卤水中有色物质的基本性质及其脱除方法。
A new process for the removal of the color substance in the salt-lake brine has been found.
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