ammonium

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Related to ammonium ion: Ammonium salt, Quaternary Ammonium Ion

ammonium

of, consisting of, or containing the monovalent group NH4-- or the ion NH4+
References in periodicals archive ?
3+]tetrakis complexes with [beta]-diketone ligands and quaternary ammonium ions [11,12].
This is due to the selectivity of ammonium ions by clinoptilolite.
A yellow solid compound 2, one equivalent of 4,4'- biphenylcarboxaldehyde 3 and ammonium ion in acetic acid as solvent was mixed and the content of reaction mixture was refluxed for 3 hours with continous stirrering (scheme-1).
Ammonium ions were analyzed through Indophenol Method using UV/Visible spectrophotometer.
Ammonium ion and seventeen free amino acids, specifically, alanine (Ala), arginine (Arg), aspartate (Asp), cysteine (Cys), glutamate (Glu), glycine (Gly), histidine (His), isoleucine (Ile), leucine (Leu), lysine (Lys), methionine (Met), phenylalanine (Phe), proline (Pro), serine (Ser), threonine (Thr), tyrosine (Tyr) and valine (Val) were purchased from Sigma-Aldrich (Saint Louis, MO, USA).
7) which results in almost total absence of oxygen, high conductivity, suspended substances, total nitrogen, ammonium ion, orthophosphates, total phosphorus, TOC, arsenic and chromium.
Azole corrosion inhibition chemistry protects copper and bronze surfaces from residual ammonium ion corrosion.
Laboratory study of ammonium ion removal by using zeolite (clinoptilolite) to treat drinking water, Journal of Environmental Engineering and Landscape Management 18(1): 54-61.
The ammonium ion concentration was analyzed on the 6th day of active feeding in the first experimental phase, and on the 12th and 17th days of active feeding in the second phase, following the Koroleff (1976) method.
Interaction of perfused chemicals as inducers and reducers of bunch-stem necrosis in grapevine bunches and the effects on the bunchstem concentration of ammonium ion and abscisic acid.