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  • noun

Synonyms for ammonium

the ion NH4 derived from ammonia


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References in periodicals archive ?
Influence of various nitrogen sources like ammonium oxalate, corn steep liquor (CSL), maize glutein meal 60%, maize meal 30% and yeast extract etc.
The yield and chemical characteristics of the obtained ammonium oxalate fraction are shown in Table 1.
Potassium sorbate, calcium chelate, iron sulfate, ammonium bicarbonate, ammonium oxalate, and EDTA disodium completely inhibited V.
These high levels of [sub.residual]P in the soil area of the native forest, but especially in the vineyard, may be due to clay and iron oxides extracted with citrate-bicarbonate-dithionite and ammonium oxalate (Table 1).
du Pont de Nemours and Company has obtained a patent for a process comprised of digesting ilmenite ore with aqueous ammonium hydrogen oxalate to form a leachate and a precipitate comprised of FeC2O4.2H20; separating the leachate from the precipitate comprised of FeC2O4.2H20; hydrolyzing the leachate with ammonia or ammonium hydroxide to form titanyl hydroxide and an oxalate-rich solution; separating the titanyl hydroxide from the oxalate-rich solution; washing the titanyl hydroxide with a material selected from the group consisting of water, aqueous ammonium oxalate and ammonium hydroxide to form low oxalate titanyl hydroxide, that is, titanyl hydroxide that is stripped of residual oxalate; and crystallizing titanium dioxide from the low oxalate titanyl hydroxide.
A mixture containing ammonium oxalate [(N[H.sub.4]).sub.2][C.sub.2][O.sub.4], oxalic acid, and ascorbic acid also extracted a high fraction, 54.4%, of the total soil As.
Ammonium oxalate-extractable Al ([Al.sub.ox]) and Fe ([Fe.sub.ox]), soils were extracted in the dark with 0.175 M ammonium oxalate and 0.1 M oxalic acid at a soil to solution ratio of 1:40 for four hours (Loeppert and Inskeep 1996).
Background soil ammonium oxalate P,Al, and Fe ([P.sub.ox], [Al.sub.ox], and [Fe.sub.ox], respectively) concentrations were measured on soils from each site using a 1:40 ratio of soil to 0.2 M ammonium oxalate (pH 3), 2 hr reaction time in the dark and filtration with Whatman No.
indirect measures such as the iron dissolved by ammonium oxalate solution which is used by the largest commercial laboratory in Western Australia.