Ethylenediaminetetraacetic acid (EDTA)
Ethylenediaminetetraacetic acid (EDTA) ke motsoako oa organic o nang le foromo ea lik'hemik'hale C10H16N2O8. Ke phofo e tšoeu mocheso oa kamore le khatello. Ke ntho e ka sebetsanang le Mg2+Sesebelisoa sa chelating se kopanyang li-ion tsa tšepe tse arohaneng joalo ka Ca2+, Mong2+, le Fe2+.
EDTA ke moemeli oa bohlokoa oa chelating. EDTA e na le mefuta e mengata ea likopo 'me e ka sebelisoa e le bleaching le tharollo ea ho lokisa bakeng sa ho sebetsana le lisebelisoa tse nang le mebala, lithuso tsa ho daea, li-additives tsa litlolo, li-stabilizers, le li-initiators tsa polymerization tsa rabara, EDTA ke ntho e emelang li-chelating agents. E ka etsa li-complexes tse tsitsitseng tse qhibilihang ka metsing tse nang le tšepe ea alkali, likarolo tse sa tloaelehang tsa lefats'e, le litšepe tsa phetoho. Ntle le matsoai a sodium, ho boetse ho na le letsoai la ammonium le matsoai a sa tšoaneng a kang tšepe, magnesium, calcium, koporo, manganese, zinki, cobalt, aluminium, joalo-joalo, e 'ngoe le e' ngoe e nang le litšebeliso tse fapaneng.
Ntle le moo, EDTA e ka boela ea sebelisoa ho ntša kapele litšepe tse kotsi tse tsoang 'meleng oa motho le ho bapala karolo ea ho ntša chefo. Hape ke moemeli oa ho hloekisa metsi.
EDTA le eona ke sesupo sa bohlokoa, empa e sebelisoa ho titrate litšepe tse kang nickel le koporo. Ha e sebelisoa, e tlameha ho sebelisoa hammoho le ammonia ho sebetsa joalo ka sesupo.
Ho na le mefuta e mengata ea EDTA, 'me k'hamphani ea rona e hlahisa EDTA 2Na EDTA 4Na, EDTA CaNa.2, EDTA CuNa2, EDTA FeNa, EDTA MgNa2, EDTA MnNa2, EDTA ZnNa2, NTA, NTA-3Na, joalo-joalo.
EDTA 2Na: Lebitso le felletseng ke disodium ethylenediaminetetraacetate, e nang le foromo ea lik'hemik'hale C.10H14N2O8Na2• 2H2O. E sebelisoa e le sesepa, thuso ea ho daea, fiber treatment agent, cosmetic additive, food additive, temo e nyenyane ea manyolo, le marine aquaculture.
EDTA 4Na: Lebitso le felletseng ethylenediaminetetraacetic acid tetrasodium, foromo ea lik'hemik'hale C10H12N2O8Na4.4H2O, e sebelisoang e le sesebelisoa sa ho nolofatsa metsi, sesebelisoa sa rabara sa maiketsetso, moemeli oa ho felisa acrylic polymerization, motlatsi oa khatiso le ho daea, mothusi oa sesepa, joalo-joalo.
EDTA CaNa2Lebitso le felletseng la calcium sodium ethylenediaminetetraacetate, foromo ea lik'hemik'hale C10H12N2O8KaNa2• xH2O, e sebelisoang e le moemeli oa ho arola, ke sesebelisoa sa chelating se nang le metsi se khonang ho chelate li-ion tsa tšepe tse ngata. Phapanyetsano ea calcium le tšepe ho theha chelate e tsitsitseng haholoanyane.
EDTA CuNa2: Lebitso le felletseng la koporo sodium ethylenediaminetetraacetate, foromo ea lik'hemik'hale C10H12N2O8CuNa2• 2H2O, copper sodium ethylenediaminetetraacetate ke ntho e qhibilihang ka metsing, 'me koporo ke ntho e chelating.
EDTA FeNa: Lebitso le felletseng la koporo sodium ethylenediaminetetraacetate, foromo ea lik'hemik'hale C10H12N2O8CuNa2• 2H2O, e sebelisoang joalo ka ntho e senyang mebala ho nka lifoto. E sebelisoa e le tlatsetso indastering ea lijo, joalo ka karolo ea morao-rao temong, hape e le sesosa sa indasteri.
EDTA MgNa2Lebitso le felletseng ke magnesium sodium ethylenediaminetetraacetate, e nang le foromo ea lik'hemik'hale C10H12N2O8MgNa2 • 2H2O. Magnesium sodium ethylenediaminetetraacetate ke motsoako oa chelating o qhibilihang ka metsing.
EDTA MnNa2, eo hape e tsejoang e le ethylenediaminetetraacetic acid manganese sodium, e na le foromo ea lik'hemik'hale C10H12MnN2Na2O8. E sebelisoa e le karolo ea manyolo a foliar temong le temong ea lirapa, hammoho le karolo ea trace bakeng sa hydroponics.
EDTA ZnNa2: Lebitso le felletseng: Zinc sodium ethylenediaminetetraacetate, foromo ea lik'hemik'hale: C10H12N2O8ZnNa2• 2H2O, zinki sodium ethylenediaminetetraacetate ke ntho e qhibilihang ka metsing, 'me zinki ke ntho e chelating.
NTA: Lebitso le felletseng ke triacetic acid, foromo ea lik'hemik'hale ke C6H9NO6, e leng mokhoa o nepahetseng oa ho lokisa indasteri ea dae, e phetha karolo ea ho tsitsisa tlhahiso ea styrene, 'me e sebetsa e le ntho e susumetsang le e rarahaneng ho hlahisa foam ea polyurethane.
NTA-3Na: Lebitso le felletseng la trisodiumaminotriacetate, foromo ea lik'hemik'hale C6H9NNA3O6, e sebelisoang joalo ka chelating agent.
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Nako ea poso: Jun-19-2024