卡尔费休法测定PVC糊树脂中的水分含量  

Measurement of moisture content in paste PVC resins by Karl Fischer method

作　　者：郑卓[1] 高晓丹[1] 丁月秋 王帅[1] 

机构地区：[1]沈阳化工股份有限公司,辽宁沈阳110026

出　　处：《聚氯乙烯》2011年第10期35-36,共2页Polyvinyl Chloride

摘　　要：采用卡尔费休水分测定仪和卡氏炉联用,测定PVC糊树脂中的水分含量。研究了检测时间、检测温度等测试条件。试验结果表明:该方法具有较高的准确度和精密度,相对标准偏差为4.45%,回收率为98%～105%。By using combination technology of Karl Fischer titrimeter and boiler, the moisture content in paste PVC resins was measured. Some measurement conditions, such as time and temperature, were studied. The test results showed that this method had high accuracy and precision, and the recovery was 98%-105%.

关 键 词：卡尔费休水分测定仪 卡氏炉 PVC糊树脂 水分 

分 类 号：TQ325.3[化学工程—合成树脂塑料工业] TQ014