Research progress and development trend of low-concentration chloride ion standard materials
The study of low-concentration chloride ion reference materials is of great significance in the fields of environmental monitoring,food safety,biomedicine,and metrological testing.In this paper,the research progress and development trend of low-concentration chloride ion standard materials are re-viewed.Its preparation technology,determination method and uncertainty assessment sources were ana-lyzed,and the challenges and future directions of the development of low-concentration chloride ion standard materials were discussed.
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