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An Inexpensive Titration Method for the Determination of Organic Carbon in Recent Sediments
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1974
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EngineeringOrganic Carbon ContentMarine ChemistryTitration MethodOrganic GeochemistryEnvironmental ChemistryOrganic CarbonFootnote 3Sediment AnalysisCarbon CycleBlue CarbonRecent SedimentsBiogeochemistryCarbon SequestrationSediment QualityOrganic-rich Sedimentary RockSedimentologySediment TransportEstuarine GeochemistryInexpensive Titration MethodEnvironmental EngineeringCoastal Geochemistry
ABSTRACT Thirty-three samples of lacustrine and shallow marine sediments have been analyzed for organic carbon content by a modified Walkley-Black titration method and by the LECO(FOOTNOTE 3) combustion method. Comparison of the two sets of data yields a regression line with a slope of 0.992, intercept of 0.00 and a correlation coefficient of 0.989. Thus results obtained with the two methods agree precisely. Because the titration method involves little equipment or operator training it can be used at small laboratories and schools that lack sufficient funds or volume of samples to purchase or justify the faster but more expensive LECO apparatus.