Assay Method of Ion-selective Electrode on the Content of Silver Ion in Drinking Water for Spaceflight

Abstract

Abstract: The content of silver ion affects directly on hygienic safety of drinking water for spaceflight when it is used as disinfectant. The method of silver ion-selective electrode accompanied with ISA can exactly assay the content of silver ion in drinking water for spaceflight rapidly. The relative error is 3.4 percent and CV is 1.3 percent and reclaim rate is 105.4 percent on test. It is also discussed that time and temperature and pH would have effects on result of testing.

Key words: ion-selective electrode, spaceflight, drinking water, silver ion

ZHU De-Bing, HUANG Ji-Ming, BAI Shu-Min. Assay Method of Ion-selective Electrode on the Content of Silver Ion in Drinking Water for Spaceflight[J]. FOOD SCIENCE, 2005, 26(5): 198-200.

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Assay Method of Ion-selective Electrode on the Content of Silver Ion in Drinking Water for Spaceflight

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