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PubMed · 1045169

Testing in the development and implementation of a management information system. Program testing and system testing.

C J Slattery
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Evaluation Studies as TopicHome Care ServicesInformation SystemsPublic Health AdministrationSystems AnalysisUnited StatesJournal Article

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C J Slattery. 1975. Testing in the development and implementation of a management information system. Program testing and system testing.. https://pubmed.ncbi.nlm.nih.gov/1045169/

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Application of solvent microextraction to the analysis of nitroaromatic explosives in water samples.

The application of solvent microextraction to the analysis of nitroaromatic explosives is presented. Extraction of 11 nitroaromatics was achieved by suspending 1 microl of organic solvent to the tip of a microsyringe in a stirred aqueous solution. Parameters such as extraction solvent, stirring rate, salt concentration and sampling time were studied and optimized. The limits of detection using bench-top quadrupole mass spectrometry and short extraction times (15 min) were found to be between 0.08 and 1.3 microg/l and the relative standard deviations ranged between 4.3 and 9.8%. Although precision and accuracy of quantification of the method are still needed, solvent microextraction proved to be a fast, simple and inexpensive tool for preconcentration and matrix isolation of nitroaromatics on a microscale.

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