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Organic carbon con- tent decreased because of microbial activity CO2 emission and inorganic compo- nents increased, resulting in a progressive association with the organic matter that might changed the thermal stability of composted materials. Unable to display preview. Sequi, Nutrient Cycling in Agroecosystems, 51 In this context, thermal analysis of thermogravimetry TG and differential scan- ning calorimetry DSC were used for a maturity assessment in the compost [5—7], since naturally occurring lignocellulosic substrates analysed by thermal analysis, as well as pure bio-polymers, showed typical features [8—10]. Pijpers, Polymer, 39

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Blankenhorn, Thermochim. In addition, anew form of TA and C is discussed. The possibility to use analytical techniques which are applicable to the whole sample, without pre-treatment, is therefore of great inter- est. Personalised recommendations. Polymer Preprints, 41 The organic carbon content was determined by back-titration with a solution of 0.

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Rietz, Chemical composition and physical properties of humic acids, In. The ratio between the mass losses associated with the two main exothermic reactions R1 showed a good sensitivity in detecting the changes in the level of stabilisation during the composting process. Ferdandes Marcos, Changes in thermal proper- ties of podzol-B-organic matter with profile development, In. These exothermic reactions were associated with two distinct mass losses, due to organic matter combustion, on the TG and DTG records.

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Description: Thus, phyto- toxicity, root system related oxygen deficiency and any possible excessive nutrient release in the soil and carbon and nitrogen loss can be avoided [1—2]. Mathot, Polymer, 25 In particu- lar, most chemical parameters are based on the measurement of humic-like com- pound formation, and thus they require extracting and fractionating procedures, which are often time consuming. Cite article How to cite. Samples were analysed without any pre-treatment, except for manual grinding in agate mortar. Schneider, Thermochim. For the total organic carbon Corg determination, mineralization of the organic matter to CO2 was carried out as follows.
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