摘要
介绍了作为粘度起始标准物质的纯水的粘度，各个时期国际上所采用的值及这两年ＩＳＯ关于采用新值的决定。简述了德国ＰＴＢ提出的作为粘度第二起始标准物质——正壬烷，并简单介绍“欧洲计量合作组织４１５计划”及“ＣＣＭ粘度测量工作组”的情况。
Abstract The viscosity of pure water,the original reference material for viscosity,is introduced.The values adopted in different times and the decision for new value by ISO in recent years are presented.The properties of pentane,which has been proposed by PTB as the second reference material,are briefly described.The main works of Euromet Project 415 and CCM Woring Group on Viscometry are also introduced.
出处
《现代计量测试》
1999年第2期6-9,41,共5页
Modern Measurement and Test
