Hauv chemistry, tus neeg sawv cev sequestering yog cov organic compound muaj peev xwm txuas cov hlau ions lossis cov molecules ua ke los tsim cov nplhaib zoo li cov qauv hu ua chelates. Txawm hais tias zoo sib xws, tus neeg sawv cev sequestering txawv dua li tus neeg sawv cev chelate.
Tus piv txwv ntawm tus neeg thov sequestering yog dab tsi?
Cov neeg thov kev thov suav nrog chelants thiab qhov pib inhibitors. Chelants xws li Ethylenediaminetetraacetic Acid (EDTA), NTA, thiab DTPA react stoichiometrically (ntawm qhov sib npaug mole) nrog ions. Raws li qhov hnyav molecular ntawm EDTA yog 292 thiab calcium sulfate yog 136, yuav tsum tau siv ntau ntawm EDTA.
Yuav siv tus neeg sawv cev sequestering yog dab tsi?
Cov neeg thov kev thov raug ua haujlwm nyob rau hauv ntau daim ntawv thov xws li cov neeg tsimhauv kev tsim cov tshuaj ntxuav tes kom tshem tawm cov teebmeem cuam tshuam los ntawm cov ntsev yaj hauv cov ntsev, tshwj xeeb yog calcium lossis magnesium ntsev.
Dab tsi yog qhov txawv ntawm tus neeg sawv cev sequestering thiab tus neeg sawv cev chelate?
Sequestering agents yog cov tshuaj sib xyaw uas siv tau rau kev tshem tawm cov dej tawv. Qhov sib txawv tseem ceeb ntawm tus neeg saib xyuas chelating thiab tus neeg saib xyuas sequestering yogtus neeg sawv cev chelating tuaj yeem khi nrog ib qho hlau ion ib zaug thaum tus neeg sawv cev sequestering tuaj yeem khi nrog ob peb hlau ions ib zaug.
Puas EDTA Act sequestering agent?
Hauv kev lag luam, EDTA feem ntau yog siv los txhawm rau cov hlau ions hauv cov tshuaj aqueous . … Nyob rau hauv lub pulp thiabntawv kev lag luam, EDTA inhibits lub peev xwm ntawm hlau ions, tshwj xeeb tshaj yog Mn2+, los ntawm catalysing lub disproportionation ntawm hydrogen peroxide, uas yog siv nyob rau hauv chlorine- dawb tshuaj dawb.
