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AASHTO T 267
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AASHTO T 267 86th Edition, January 1, 1986 Standard Method of Test for Determination of Organic Content in Soils by Loss on Ignition
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Description / Abstract:
The Loss on Ignition method for the determination of organic
content is most applicable to those materials identified as peats,
organic mucks, and soils containing relatively undecayed or
undecomposed vegetative matter or fresh plant materials such as
wood, roots, or grass, or carbonaceous materials such as lignite,
coal, etc. This method determines the quantitative oxidation of
organic matter in these materials and gives a valid estimate of
organic content. The Wet Combustion method (T 194) is recommended
when it is desired to determine the percentage of humus-like,
easily oxidized organic material to provide information relating to
the suitability of a soil for plant growth.
The following applies to all specified limits in this standard: For the purposes of determining conformance with these specifications, an observed value or a calculated value shall be rounded off "to the nearest unit" in the last right-hand place of figures used in expressing the limiting value, in accordance with ASTM E 29.
The values stated in SI units are to be regarded as the standard.
The following applies to all specified limits in this standard: For the purposes of determining conformance with these specifications, an observed value or a calculated value shall be rounded off "to the nearest unit" in the last right-hand place of figures used in expressing the limiting value, in accordance with ASTM E 29.
The values stated in SI units are to be regarded as the standard.