onium compound

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onium compound

(ˈəʊnɪəm) or

onium salt

n
(Chemistry) chem any salt in which the positive ion (onium ion) is formed by the attachment of a proton to a neutral compound, as in ammonium, oxonium, and sulphonium compounds
[C20: from (amm)onium]
References in periodicals archive ?
PVDF (Kynar 720, Arkema Group) having melt flow index 12 g/10 min (230[degrees]C/5 kg load) and the onium salt, BTPC obtained from Sigma Aldrich with melting point of 323-332[degrees]C were used for the study.
expanded an interlayer space of a layered clay using an organic onium salt, immobilizing a radical polymerization initiator via covalent bonds in the clay.
Our approach uses the photofragmentable nitrogen-oxygen bond of a nitrogen onium salt derived from aromatic heterocycles.
To increase DNA binding, a naphthalimide moiety was attached to the nitrogen onium salt.
Wang's approach was to use an organic sulfur compound and an onium salt catalyst where the onium salt acts as a phase-transfer catalyst.
The onium salt was dissolved in 150 mL water/ethanol (1:1) and added to the suspension.
To check this, the free onium salt was removed by washing some I30E clay several times with hot deionized water, followed by drying.
The coinitiator system was composed of an onium salt, 4-octyloxylphenyliodonium hexafiuoroantimonate (OPPI), and an amine, N,N[prime]-dimethylamino-2,6-diisopropylaniline, (DIDMA).