A compact automated titration system,applied to a high‐precision determinationof calcium in sea‐water

Anderson, Leif; Granéli, Anders

doi:10.1155/s1463924682000212

Cited by 10 publications

(1 citation statement)

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“…Total alkalinity (AJ was determined by titration with the method of Anderson and Wedborg (1983), calcium by the method of Anderson and Graneli (1982), nitrite and nitrate according to Anderson (1979), and ammonium following a modified Solorzano (1969) method. These determinations were made at the end of each experiment series.…”

Section: Methodsmentioning

confidence: 99%

Benthic respiration measured by total carbonate production

Anderson

Hall

Iverfeldt

et al. 1986

Limnology & Oceanography

164

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The suitability of total carbonate production instead of oxygen consumption as a measure of benthic respiration has been investigated. In situ fluxes of total carbonate, oxygen, calcium, total alkalinity, nutrients, and sulfide across the sediment-water interface were measured in diveroperated benthic flux chambers. Two chambers were run in parallel to test the influence of oxygen and pH levels on total carbonate production. In one, oxygen and pH were kept constant near ambient levels; in the other, benthic respiration was allowed to deplete oxygen and lower the pH. We found that the flux of total carbonate, corrected for CaCO, precipitation/dissolution, is a suitable measure of benthic mineralization in sediments where methane production can be neglected. The production rate of total carbonate was not seriously affected as long as the oxygen concentration remained > 100 PM.

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Section: Methodsmentioning

confidence: 99%