为获得方便快捷的棉糖仪器检验方法,采用纺织业常用的色度仪建立棉糖的色度分级法(CGTM)与色度定量法(CQTM),经棉样实测检验,认为这2种棉糖的色度检验法都是可行的。通过色度分级法(CGTM),可实现色度参数(a*,b*,h*)对颜色级(蓝～橙红)进行数字化描述,取代纸质标准色卡;通过色度定量法(CQTM),与分光定量法类似,可直接用L*,C*,b*,K/S,dE*等色度参数描述棉糖含量,但存在同批次不同色度参数拟合数据波动较大、不同色度参数拟合方法差异显著性等问题,后续还需要深入研究。
Abstract
In order to obtain a convenient and efficient method for the inspection of cotton sugar, the chromatic meter in textile industry was used to establish chromatic grading testing method (CGTM) and chromatic quantitative testing method (CQTM) of cotton sugar, practical tests have proved that the two methods for cotton sugar were feasible. Based on CGTM, color grades (blue to orange) were digitized description with chromatic parameters (a*, b*, h*), which can replace standard color paper, similar to the quantitative method. The CQTM can be directly used to describe cotton sugar content with the chromatic parameters, such as L*,C*,b*,K/S and dE*, however the fluctuation in fitting data of chromatic parameters for the same batch cotton is larger, and the difference of fitting method for chromatic parameter is significant, which needs to be researched in-depth.
关键词
计量学 /
棉糖 /
色度仪 /
色度分级法 /
定量检测
Key words
metrology /
cotton sugar /
chromatic meter /
grading method /
qualitative testing
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参考文献
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基金
国家科技部重大专项子课题(2016YFC0400504)
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