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中国系列标准海水是采用盐度为34.4左右的天然海水经低温浓缩和用去离子水稀释来制备的。本文描述了制备中国系列标准海水的工艺流程,制备方法及标准值的不确定度进行了探讨。
China’s standard series of seawater is prepared using natural seawater with a salinity of about 34.4, which is concentrated at low temperature and diluted with deionized water. This article describes the process of preparation of China’s standard series of seawater, preparation methods and the uncertainty of the standard value are discussed.