Determination of nitrate in seawater: Nitrate to nitrite reduction with copper-cadmium alloy |
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| Authors: | DJ Hydes NC Hill |
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| Institution: | Institute of Oceanographic Sciences, Wormley, Godalming, Surrey GU8 5UB, U.K. |
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| Abstract: | Determination of nitrate in seawater first requires its reduction to nitrite. Construction of a reductor column for use during continuous flow analysis at sea is described. Novel use is made of an alloy of cadmium and copper () crushed to between 500 and 350 μm. Its performance is similar to that of the cadmium wire type of reductor but offers advantages of easier preparation and control of reductor volume. |
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| Keywords: | seawater nitrates cadmium analysis automatic techniques |
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