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Flow injection is a Danish scholar Ruzicka and Hansen in 1975 proposed an efficient method of analysis , the current has been more extensively studied and applied. The use of membrane separation ability , as a flow injection on-line pre-processing means , the development of both hyphenated techniques in environmental monitoring to get a better application . This article consists of three parts, the first part describes the development of environmental monitoring , flow injection and the basic principles of membrane separation , research status and development trend of disciplines : The second part discusses the use of the above method for the effective analysis of ammonia , including the entire testing principles, methods , processes, optimization of the parameters and the final results and applications ; in the same manner as the third part , discusses the use of membrane separation and enrichment - flow Injection technology to create a fast , simple methods for the analysis of volatile phenols in water , and made a flow injection system for the necessary improvements . Concludes with a brief account of the resulting conclusions and make the necessary outlook .
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