CGRG Bibliography of Canadian Geomorphology
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Author : Girard, I.; and Klassen, R.A.
Date : 2001.
Title : A comparison of seven methods for analysis of carbon in soils.
Publication : Geological Survey of Canada. Current Research
Issue : 2001-E11.
Page(s) : 15 p.
Abstract
Comparison of seven analytical protocols use for carbon analysis in soils indicates differences that relate to mineralogy, carbon content, and analytical equipment design and operation. For routine analyses of surficial geological materials containing either inorganic or organic carbon forms, or both, an appropriate method is based on thermal decomposition and oxidation of the sample with carbon released as carbon dioxide analyzed by infrared spectrometry using a Leco CR-412 instrument. The procedure requires analyses of two sample splits. One split is subjected to high temperature (1350 C) combustion to determine its total carbon content. The second split is initially oxidized at low temperature (500 C) to remove volatile and readily oxidized carbon forms (organic), after which the remaining carbon forms (inorganic) are then determined through high-temperature combustion and carbon dioxide analyses.
Bibliography of Canadian Geomorphology