Ethylenediaminetetraacetic acid (EDTA)
Ethylenediaminetetraacetic acid (EDTA) yog cov organic compound nrog cov tshuaj formula C10H16N2O8. Nws yog hmoov dawb ntawm chav tsev kub thiab siab. Nws yog ib yam khoom uas tuaj yeem hnov mob nrog Mg2+Ib tug chelating tus neeg sawv cev uas sib txuas divalent hlau ions xws li Ca2+, Mn2+, thiab Fe2+.
EDTA yog ib qho tseem ceeb chelate agent. EDTA muaj ntau yam kev siv thiab tuaj yeem siv los ua cov tshuaj dawb thiab kho cov kev daws teeb meem rau kev ua cov xim rhiab rau cov ntaub ntawv, dyeing aids, cosmetic additives, stabilizers, thiab hluavtaws roj hmab polymerization pib, EDTA yog ib tug neeg sawv cev ntawm chelating agents. Nws tuaj yeem tsim cov dej-soluble complexes ruaj khov nrog cov hlau alkali, cov ntsiab lus tsis tshua muaj hauv ntiaj teb, thiab cov hlau hloov pauv. Ntxiv nrog rau cov ntsev ntsev, tseem muaj cov ntsev ammonium thiab ntau cov ntsev xws li hlau, magnesium, calcium, tooj liab, manganese, zinc, cobalt, aluminium, thiab lwm yam, txhua tus siv sib txawv.
Tsis tas li ntawd, EDTA tseem tuaj yeem siv los tshem tawm cov hluav taws xob tsis zoo los ntawm tib neeg lub cev thiab ua lub luag haujlwm detoxifying. Nws kuj yog tus neeg sawv cev kho dej.
EDTA kuj yog ib qho tseem ceeb qhia, tab sis nws yog siv los titrate hlau xws li npib tsib xee thiab tooj liab. Thaum siv, nws yuav tsum tau siv ua ke nrog ammonia los ua qhov taw qhia.
Muaj ntau hom EDTA, thiab peb lub tuam txhab tsim EDTA 2Na EDTA 4Na, EDTA CaNa2, EDTA CuNa2, EDTA FeNa, EDTA MgNa2, EDTA MnNa2, EDTA ZnNa2, NTA, NTA-3Na, etc.
EDTA 2Na: Lub npe tag nrho yog disodium ethylenediaminetetraacetate, nrog rau cov tshuaj formula C10H14N2O8Na2• 2 H2O. Nws yog siv los ua detergent, dyeing pab, fiber kho tus neeg saib xyuas, cosmetic additive, zaub mov additive, ua liaj ua teb micro chiv, thiab marine aquaculture.
EDTA 4Na: Lub npe tag nrho ethylenediaminetetraacetic acid tetrasodium, tshuaj formula C10H12N2O8Na4.4 H2O, siv los ua dej softener, hluavtaws roj hmab catalyst, acrylic polymerization termination tus neeg saib xyuas, luam ntawv thiab dyeing pab, detergent pab, thiab lwm yam.
EDTA Caab2: Tag nrho lub npe calcium sodium ethylenediaminetetraacetate, tshuaj formula C10H12N2O8CaNa2• xH2O, siv los ua tus neeg sawv cev sib cais, yog cov dej-soluble chelate tus neeg sawv cev uas tuaj yeem chelate ntau cov hlau ions. Calcium thiab hlau pauv los tsim cov chelates ruaj khov.
EDTA CuNa2: Tag nrho lub npe tooj liab sodium ethylenediaminetetraacetate, tshuaj formula C10H12N2O8CuNa2• 2 H2O, tooj liab sodium ethylenediaminetetraacetate yog dej-soluble chelating tus neeg saib xyuas, thiab tooj liab yog chelating tus neeg saib xyuas.
EDTA FeNa: Lub npe tooj liab sodium ethylenediaminetetraacetate, tshuaj formula C10H12N2O8CuNa2• 2 H2O, siv los ua tus neeg sawv cev decolorizing hauv kev yees duab. Siv raws li ib tug additive nyob rau hauv cov zaub mov kev lag luam, raws li ib tug kab nyob rau hauv kev ua liaj ua teb, thiab raws li ib tug catalyst nyob rau hauv kev lag luam.
EDTA MgNa2: Tag nrho lub npe yog magnesium sodium ethylenediaminetetraacetate, nrog rau cov tshuaj formula C10H12N2O8MgNa2 • 2H2O. Magnesium sodium ethylenediaminetetraacetate yog dej-soluble chelating tus neeg sawv cev.
EDTA MnNa2, tseem hu ua ethylenediaminetetraacetic acid manganese sodium, muaj cov tshuaj formula C10H12MnN2Na2O8. Nws yog siv los ua ib lub hauv paus rau foliar fertilization hauv kev ua liaj ua teb thiab horticulture, nrog rau cov kab mob rau hydroponics.
EDTA ZNa2Lub npe tag nrho: Zinc sodium ethylenediaminetetraacetate, tshuaj formula: C10H12N2O8ZnNa2• 2 H2O, zinc sodium ethylenediaminetetraacetate yog dej-soluble chelating tus neeg saib xyuas, thiab zinc yog tus neeg sawv cev chelating.
NTA: Lub npe tag nrho yog triacetic acid, tshuaj formula yog C6H9NO6, uas yog tus neeg saib xyuas zoo nyob rau hauv kev lag luam dyeing, plays lub luag haujlwm ruaj khov hauv kev tsim cov styrene, thiab ua raws li cov catalyst thiab complexing tus neeg sawv cev hauv kev tsim cov polyurethane ua npuas ncauj.
NTA-3Na: Lub npe tag nrho trisodiumaminotriacetate, tshuaj formula C6H9NNNa3O6, siv los ua tus neeg sawv cev chelate.
Peb yog cov chaw muag khoom tseem ceeb hauv Suav teb, rau tus nqi lossis cov ntaub ntawv ntau ntxiv txais tos hu rau peb ntawm:
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Post lub sij hawm: Jun-19-2024