Cov kev cai tsim nyog rau kev ntsuam xyuas hauv chav kuaj tshuaj chemical reagents yog cov tshuaj purity siab uas ua tau raws li qee qhov kev xav tau zoo thiab yog cov khoom siv rau kev ua haujlwm analytical. Lub purity ntawm cov reagent yog ib qho tseem ceeb heev rau kev ntsuam xyuas analytical. Nws yuav cuam tshuam qhov tseeb ntawm qhov tshwm sim. Yog hais tias lub purity ntawm lub reagent tsis tau raws li

Cov kauj ruam yooj yim hauv kev tshuaj xyuas zaub mov hauv chav kuaj Cov kauj ruam yooj yim ntawm kev tshuaj xyuas zaub mov yog: kev sau cov qauv; kev ua qauv; kev soj ntsuam kuaj thiab kuaj xyuas; tsom xam tau sau thiab ua nyob rau hauv plaub theem. 1 Kev sau cov qauv Kev sau cov qauv, tseem hu ua sampling thiab qauv npaj, yog hais txog kev rho tawm ntawm tus qauv sawv cev rau kev tshuaj xyuas