I need to evaluate the content of organic matter in soils after different procedures of composting.
You can determine organic matter through the loss of mass by ignition method (2 h at 360 °C) (Schulte and Hopkins 1996).
http://uwlab.soils.wisc.edu/files/procedures/organic_matter.pdf
Dear Ismael and Fakhrul,
Thanks for the support and for sending procedures. A friend of mine sent this handbook for analysis and characterization of soils. I would like to pass along to you too. Regards
Rodrigo, you can verify the method that I used in my dissertation, an analytical method with low cost. However if you desire more accuracy, you should make the determination on an autoanalyzer elemental carbon, UFSM have one that is widely used in soil researches.
http://w3.ufsm.br/ppgcs/disserta%E7%F5es%20e%20teses/VOGELMANN,%20Eduardo%20Saldanha%20-%20Disserta%E7%E3o%20de%20Mestrado.pdf
Dear Frank,
Unhapply I haven't a TOC analyzer. I did these experiments using the ignition method proposed by Schulte and Hopkins (1996) and an analytical method in the Vogelmann's thesis that use K2Cr2O7 and Fe(NH4)(SO4)26H2O.
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