amphoteric


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Synonyms for amphoteric

having characteristics of both an acid and a base and capable of reacting as either

References in periodicals archive ?
Likewise, according to the literature, in a chemisorption reaction transitional metals should bond to the amphoteric surface through to the formation of a covalent bonding in an inner-sphere complex in which the metal becomes part of the oxide surface structure, according to the reaction 2 in which [H.sub.3][O.sup.+] ions are ones of the reaction products which acidifies the solution [3].
Nowadays, the research atmosphere is most active and the achievement was largest in cationic gemini surfactants, but with flexible linking group of the amphoteric Gemini surfactants have reported very less, It can be said that they are still in the laboratory research stage[9].
Thus, it can be seen that PADA is an amphoteric copolymer consisting of AM, DAC, and AMPS.
Newer Surfactants * Amphoteric surfactants (eg, cocamidopropyl betaine) * Noninic surfactants (eg, cocamidopropyl betaine) * Hydrophobically modified polymers
In many cases, acidic, basic and amphoteric compounds don't elute or are eluted with very poor peak shapes, even with binary solvent mixtures of carbon dioxide and methanol or ethanol.
Amphoteric in B, a systemic antifungal medication, is not commonly used, and health care practitioners may be unfamiliar with its various formulations and the potential consequences of mix-ups among them.
Rhodia is a world leader in the production of mild amphoteric surfactants, phosphorus chemistry and guars and derivatives, as well as in high-performance silicas, rare earth-based formulations and diphenols.
The design and synthesis of brushlike amphoteric polymer poly-[isobutylene-alt-(maleic acid)-graft-pentaethylenehex-amine] by grafting various aligoethyleneamines onto a low-molecular-weight poly[isobutylene-alt-(maleic anhydride)] is presented in the work by Y.
The exchange reactions may take place between the basic and amphoteric oxides since the acid oxides can form with the basic oxides the same complex compounds which are difficult to disrupt (4), (5).
Al[(OH).sub.3] is ah amphoteric substance, meaning it can react as either ah acid or base and readily shares electrons with proteins.
The protein hydrolysates were fractionated on the basis of the amphoteric nature of the peptides.
This sixth volume of a multi-volume handbook focuses on the production of anionic, cationic, nonionic, and amphoteric surfactants, builders, sequestering/chelating agents, bleaching and whitening agents, enzymes, and other components of detergent formulations in different contexts.
Prof Robin Ferner, an international expert in adverse drug reactions from City Hospital and a pharmacology professor at Birmingham University, said that the two patients were the first reported deaths in the UK from Amphoteric in and until the tragedies, the drug had not been considered dangerous.