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当前位置: 首页 > 文章 > 采用3种光谱技术鉴别天然靛蓝染色蚕丝织物 蚕业科学 2015,41 (6) 1050-1054
Position: Home > Articles > Discrimination of Silk Fabrics Dyed with Natural Indigo by Three Kinds of Spectroscopy Technologies Science of Sericulture 2015,41 (6) 1050-1054

采用3种光谱技术鉴别天然靛蓝染色蚕丝织物

作  者：
刘文凤;余志成
单  位：
生态染整技术教育部工程研究中心;浙江理工大学
关键词：
蚕丝织物;天然靛蓝;近红外漫反射光谱;荧光光谱;拉曼光谱
摘  要：
探究采用近红外漫反射光谱、荧光光谱和拉曼光谱技术,建立快速、准确鉴别天然靛蓝与合成靛蓝染色蚕丝织物的方法。在近红外漫反射光谱测试中,天然靛蓝染色蚕丝织物在940 nm、1 172 nm处有特征反射峰,而合成靛蓝染色蚕丝织物在940 nm、1 042 nm和1 240 nm处有特征反射峰;在拉曼光谱测试中,天然靛蓝染色蚕丝织物在1 573 cm~(-1)和189 cm~(-1)处有明显特征峰,而合成靛蓝染色蚕丝织物仅在1 573 cm~(-1)处有吸收峰;天然靛蓝染色蚕丝织物萃取液在发射波长为495 nm处有明显的荧光峰,而合成靛蓝染色蚕丝织物萃取液却没有出现荧光峰。研究结果表明,天然靛蓝染色蚕丝织物与合成靛蓝染色蚕丝织物或其萃取液在上述3种光谱中都存在可用于区分的特征峰,因此可通过这3种光谱技术快速、准确鉴别天然靛蓝染色蚕丝织物。
译  名：
Discrimination of Silk Fabrics Dyed with Natural Indigo by Three Kinds of Spectroscopy Technologies
作  者：
Liu Wenfeng;Yu Zhicheng;Zhejiang Sci-Tech University;Engineering Research Center for Eco-Dyeing & Finishing of Textiles;
关键词：
Silk fabric;;Natural indigo;;Near infrared diffuse reflectance spectroscopy(NIR-DRS);;Fluorescence spec-troscopy;;Raman spectroscopy
摘  要：
In this study,a rapid and accurate method for discriminating silk fabrics dyed with natural and synthetic indigo was explored and established by using near infrared diffuse reflectance spectroscopy( NIR-DRS),fluorescence spectroscopy and Raman spectroscopy. Near infrared diffuse reflectance spectroscopy revealed that the silk fabrics dyed with natural indigo had two characteristic reflection peaks at 940 nm and 1 172 nm,and the silk fabrics dyed with synthetic indigo had characteristic reflection peaks at 940 nm,1 042 nm and 1 240 nm. The silk fabrics dyed with natural indigo had obvious characteristic peaks at 1 573 cm~(-1) and 189 cm~(-1),and the silk fabrics dyed with synthetic indigo only had one absorption peak at 1 573 cm~(-1)in Raman spectroscopy. The extract liquid of silk fabrics dyed with natural indigo had obvious fluorescence peak at emission wavelength of 495 nm,and that dyed with synthetic indigo had no fluorescence peak. The results showed that silk fabrics dyed with natural and synthetic indigo and their extract all had discriminated characteristic peaks in the above three kinds of spectra. Thus,using these three spectroscopy technologies can achieve the purpose of fast and accurate identification of silk fabrics dyed with natural indigo.

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