水性涂料中游离甲醛测定存在的问题探讨

Discussion on the Problems in the Determination of Free Formaldehyde of Water-borne Coatings

按GB18582-2008标准提供的"游离甲醛含量的测试"方法,对水性涂料样品和助剂中的游离甲醛含量进行了全面测定。分析了影响测定精密度和准确度的因素,找出了测试方法中存在的不足并提出相应建议。

According to the method provided by the standard GB 18582-2008 for the determination of free formaldehyde,we have thoroughly tested the free formaldehyde in water-borne coatings samples and additives,and analyzed the factors influencing the accuracy and precision of the test,giving suggestions on the deficiency of the method.