The effect of sample grinding on extractable iron and aluminum in soils

Autor:	S. R. Barnes, A. J. Neary
Rok vydání:	1993
Předmět:	chemistry.chemical_compound chemistry Aluminium Homogeneous Environmental chemistry Metallurgy Soil water Soil Science chemistry.chemical_element Ammonium Dithionite Grinding Abrasion (geology)
Zdroj:	Canadian Journal of Soil Science. 73:73-80
ISSN:	1918-1841 0008-4271
DOI:	10.4141/cjss93-007
Popis:	Pyrophosphate-, dithionite- and acid ammonium oxalate-extractable Fe and Al are often measured on a finely ground aliquot of soil. Grinding provides a homogeneous sample from which a representative subsample can be obtained at sampling aliquots of less than 1 g. When a significant portion of the unground soil is greater than the sieve mesh size used when grinding, abrasion of primary minerals may cause increased levels of extractable Fe and Al. This study examined the distribution of extractable Fe and Al in some sandy soils and compared their levels in samples ground to
Databáze:	OpenAIRE
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