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The AAPG/Datapages Combined Publications Database
Journal of Sedimentary Research (SEPM)
Abstract
Effect of Combustion Temperature and Time, and of the Oxidation Agent Used in Organic Carbon and Nitrogen Analyses of Sediments and Dissolved Organic Material
Ronald J. Gibbs
ABSTRACT
accuracy of analyses for organic carbon and nitrogen is affected by the temperature and time of combustion, and the oxidation agent used. Temperatures of combustion must be greater than 1,050°C to give 95% of the true value. A temperature of 800°C gives values 
to [3]/[4] of the true value and a temperature of 500°C gives values 
to [1]/[5] of the true value. A combustion time of 30 seconds at 1,050°C is satisfactory. As an oxidation agent, cupric oxide has slight advantages over oxygen.
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