欧洲两年生植物,原来用于提取染料的蓝色物质。
Each color lump mainly comprises resin, coloring matter, a solvent and a stabilizer.色块主要包含有树脂、色料、溶剂和稳定剂。
As ClO2 has great oxidizing power, it can choose to oxidizing lignin and coloring matter, but be less to carbohydrate.二氧化氯具有很强的氧化能力,能选择性氧化木素和色素,而对纤维素较少损伤。