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Abstract A radiotracer technique for measuring in situ rates of sulfate reduction in marine sediments is described. Microliter portions of labeled‐sulfate solution are injected into undisturbed sediment cores, and the amount of labeled sulfide produced is analyzed. This tracer method is experimentally compared with a method that mixes label into the sediment. Controls and methodological problems of both methods are discussed.
Bo Barker J⊘rgensen (Sun,) studied this question.