phosphonium in English

noun

group of chemicals with a positive electrical charge (Chemistry)

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Below are sample sentences containing the word "phosphonium" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "phosphonium", or refer to the context using the word "phosphonium" in the English Dictionary.

1. Phosphonium salts and their use as brighteners for aqueous-acid galvanic nickel baths

2. Under the guidance of this principle, every part of the phosphonium Bromides …

3. The phosphonium salts I are suitable as brighteners for aqueous-acid galvanic nickel baths.

4. It's intresting that after tanned with phosphonium salt the isometric point goes down firstly, then up.

5. The reactions produced phosphates, isobutene, alkyl chlorides, and benzyl chlorides via phosphonium chlorides as intermediates.

6. Phosphonium Bromides is used as an example of multi‐factor principle for electrolyte additive molecule design

7. This phosphorane exists in aqueous solution in a pseudo acid–base equilibrium with an observable phosphonium ion, the ring-opened (2′-hydroxyethoxy)diphenylmethoxyphosphonium ion 5.

8. The invention relates to the alkalimetal salts, tetraalkyl ammonium salts and phosphonium salts of heptafluoro-2-propane sulfonates, said salts being suitable for use in electronic technology, for example as support electrolytes for batteries or in capacitors.

9. The experimental properties (i.e., geometries, relative stabilities, proton affinities, rotation–inversion behaviour) of sulfonium and phosphonium ylides are reproduced well by the model calculations with the 4-31G* basis set, which contains d-type functions on both carbon and sulfur (or phosphorus).

10. A Betaine (/ ˈbiːtə.iːn, bɪˈteɪ -, - ɪn /) in chemistry is any neutral chemical compound with a positively charged cationic functional group such as a quaternary ammonium or phosphonium cation (generally: onium ions) that bears no hydrogen atom and with a negatively charged functional group such as a carboxylate group that may not be adjacent to the cationic site.

11. Thus, according to the present invention there is provided a method for making a substantially pure higher MW phenylalkylsiloxane from a lower MW phenylalkylsiloxane by polymerisation of the lower MW phenylalkylsiloxane under vacuum in the presence of an aqueous alkaline solution containing one or more alkalis selected from the group of potassium hydroxide, magnesium hydroxide, calcium hydroxide, rhubidium hydroxide ammonium hydroxide, tetraalkylammonium hydroxide, tetraalkyl ammonium alkoxide and phosphonium hydroxides in an amount of from 50ppm or greater based upon the amount of lower MW phenylalkylsiloxane.