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Study on Brightener Padding Methods for Measuring Brightening Intensity of Fluorescent Brightening Agent VBL Brightened Paper
Pages: 12-15
Year: Issue:  3
Journal: Paper Chemicals

Keyword:  荧光增白剂VBL滤纸白度增白强度;
Abstract: 荧光增白剂VBL已在造纸行业大量使用.该文结合荧光增白剂VBL国家标准的修订,并为满足生产厂和用户的检验需要,对纸张轧染测定荧光增白剂VBL增白强度的方法进行了实验研究.确定轧染测定荧光增白剂VBL增白强度的条件为:一浸一轧、轧液率(70±5)%、轧染液的质量浓度为0.3 g/L、室温下浸渍30 s,每次用荧光增白剂VBL标准样品和试验样品在室温下各轧染3张5 cm×10 cm定性快速滤纸,然后测...
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