中国一级标准海水制备技术研究

Study on the Preparation Techniques of China's Primary Standard Seawater

依据《一级标准物质》 (JJG10 0 6-94)国家计量技术规范及其相关背景材料 ,利用国内的技术条件 ,成功地研制出了海水盐度量值的一级标准物质——中国一级标准海水。通过采用高精密度和高灵敏度的测试方法对海水样品的特性量值进行检测 ,并对其检测结果进行了统计检验和误差合成。实验结果表明 ,所研制的中国一级标准海水的盐度标准值总不确定度为 0 .0 0 1。

According to the National Metrology Technique Criterion on Primary Ref erence Material (JJG1006-94) and correlative information, we have successfully d eveloped the China's Primary Standard Seawater with domestic technology. Testing the characteristic values of seawater's sample with high precision and high- se nsitivity methods, we carried out the statistics test and error composition for the result. It shows that the total uncertainty of salinity standard value of Ch ina's Primary Standard Seawater is 0.001, and comes up to the same level of Inte rnational Standard Seawater.