lim. (Chemistry) Qhov siab ntawm cov khoom siv taug qab ua ntej kev tshuaj ntsuam. npe.
qauv preconcentration yog dab tsi?
Sample preconcentration yog tseem ceeb rau kev tshuaj ntsuam hlauhauv cov chaw kho mob nyuaj vim qhov tsis tshua muaj cov tshuaj ntsuam xyuas thiab cov ntsiab lus ntsev siab. Tus nqi qis ntawm cov qauv muaj kuj ua rau muaj kev sib tw ntawm kev rho tawm thiab kev txiav txim siab ntawm cov analytes.
Yuav ua li cas preconcentration xam?
Qhov preconcentration yam yog xam raws li qhov piv ntawm cov qauv ntim siab tshaj plaws thiab qis kawg ntim ntim. Rau qhov kawg ntim ntawm 5.0 mL, qhov xam qhov concentration yog 200.
Qhov tseem ceeb ntawm kev xav ua ntej yog dab tsi?
Cov txiaj ntsig ntawm Pre-concentration
nce tag nrho cov khoom ntawm cov nroj tsuag uas twb muaj lawm yam tsis tau txhim kho lub peev xwm milling ntxiv lossis hloov pauv rau thaj chaw greenfield milling Circuit Court thiab tom qab nqes dej txheej txheem tuaj yeem txo qhov loj me, txo cov nqi peev.
Analyte pre concentration yog dab tsi?
Ob qhov teeb meem kev tshuaj ntsuam xyuas yog cov khoom siv matrix uas cuam tshuam nrog kev tshuaj ntsuam xyuas thiab cov tshuaj ntsuam xyuas nrog qhov concentration uas me me dhau los ntsuas qhov tseeb. … Cov kauj ruam no hauv cov txheej txheem tshuaj ntsuam xyuas yog hu ua preconcentration.
