Kho vajtse UV xim kho cH kuaj

1.1 Ua ntej ntsuas, xyuas seb cov xim thiab cov txheej ntawm qhov qauv coj mus kuaj qhov twg tsis muaj qhov seem

1.2 Muab cov hnoos qeev rau hauv 0.5mol / L NaOH daws thiab tsau rau 60min

1.3 Tom qab tus qauv coj tawm thiab ntxuav tawm, so nws ntxuav nrog daim ntaub hmoov av uas tsis muaj hmoov av, thiab xyuas seb tus qauv puas tev lossis pleev xim tawm (ob sab hauv thiab sab nraud ntawm txhuas lub raj yuav tsum tau kuaj)

1.4 Muab cov hnoos qeev tso rau hauv ORP tov thiab tsau rau 60 feeb

1.5 Tom qab tus qauv coj tawm thiab ntxuav tawm, so nws ntxuav nrog daim ntaub tsis muaj hmoov av, thiab xyuas seb tus qauv puas nti tawm los yog pleev xim tawm (ob sab hauv thiab sab nraud ntawm cov yeeb nkab txhuas yuav tsum tau kuaj)

1.6 Muab cov hnoos qeev coj los tso rau hauv dej deionized thiab tsau rau 4h (dej deionized pib txias rau chav sov li ntawm 80 ℃)

1.7 Tom qab tus qauv coj tawm thiab ntxuav tawm, so nws ntxuav nrog daim ntaub tsis muaj plua plav, thiab xyuas seb cov qauv puas tev tawm los yog pleev xim tawm (ob sab hauv thiab sab nraud ntawm cov yeeb nkab txhuas ntawv yuav tsum tau kuaj)

Lus Ceebtoom: Thaum kuaj lub ntsej muag, yog tias tus qauv muaj tev tawm lossis cov xim pleev xim tev tawm, nws yuav suav tias tsis zoo, thiab qhov kev xeem poob