Proposed ASTM WK27289, Test Methods for Nitrite-Nitrate in Water by Nitrate Reductase, will present a means to perform nitrate analysis of water without the use of hazardous chemicals. According to William Lipps, vice chairman of Subcommittee D19.05 on Inorganic Constituents in Water, part of ASTM International Committee D19 on Water, new standard will enable testing laboratories with discrete analyzers to eliminate cadmium reduction methods with a more reliable means to measure nitrate.
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