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Wood ash composition apparently varies with species burnt and the temperature of the fire ... it is a mixture of stable inorganic oxides, carbonates and other oxidised elements. —Preceding unsigned comment added by 110.175.121.168 (talk) 04:43, 3 October 2010 (UTC)
Under "Variability in assessment" in "Composition," the passage reads "...twelve percent iron oxide (FeO, et al)." What is (FeO, et al)? It seems that the abbreviation for iron oxide got mixed up a citation. Qelmasri (talk) 23:56, 28 April 2015 (UTC)Qelmasri
- Removed the FeO as the iron would all be oxidized. Vsmith (talk) 13:06, 29 April 2015 (UTC)
"Typically between 0.43 and 1.82 percent of the mass of burned wood (dry basis) results in ash.[5]" => This is the percentage of the ash in woodfuel supplied to the furnace, not the percentage of the wood's mass that gets converted to ash. — Preceding unsigned comment added by ATN-Etienne (talk • contribs) 09:54, 2 March 2020 (UTC)