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I-16mm Screw Screw Tube i-tube ye-cod evela kwi-aijiren

Ukuvavanywa kwemfuno yeoksijini (i-COD) yindlela ebalulekileyo yokuvavanya umgangatho wamanzi, ngakumbi kunyango lwenkunkuma kunye nokuhlolwa kwendalo. Iityhubhu zovavanyo ze-COD zenza lula inkqubo, kodwa ukusetyenziswa okufanelekileyo kubalulekile ekufumaneni iziphumo ezichanekileyo

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Ukuvavanywa kwemfuno yeoksijini (i-COD) yindlela ebalulekileyo yokuvavanya umgangatho wamanzi, ngakumbi kunyango lwenkunkuma kunye nokuhlolwa kwendalo. Iityhubhu zovavanyo ze-COD zenza lula inkqubo, kodwa ukusetyenziswa okufanelekileyo kubalulekile ukuze ufumane iziphumo ezichanekileyo. Nantsi isikhokelo senyathelo lenyathelo lenyathelo lokuqinisekisa ukuvavanywa okunempumelelo:

I-1IRTAERSTAY Injongo

I-COD lilinganisa isixa seoksijini esifunekayo kwi-axcofigh ye-oxcimec kunye ne-inorganic into emanzini. Le parameter ibalulekile ekuvavanyeni komthwalo wongcoliseko kunye nokusebenza kakuhle konyango lwemibutho yamanzi.

2.Khetha iityhubhu zovavanyo ezifanelekileyo

Khetha iityhubhu zovavanyo eziqinisekisiweyo ze-CoD eziyilelwe ngokukodwa indlela yakho yovavanyo. Qinisekisa ukuba bakhululekile kungcoliseko kwaye balungele uluhlu olulindelweyo lwexabiso le-COD kwiisampulu zakho.

I-3. Ukuqokelelwa kwesampula

Qokelela iisampulu zamanzi kwizikhongozeli ezicocekileyo, ungcoliseko. Kulumkele ukuveza iisampulu kumoya ixesha elide, kuba oku kunokutshintsha iziphumo ze-COD.

Gcwalisa iityhubhu zovavanyo kwinqanaba elicetyiswayo, ukuqinisekisa ukuba akukho bhabhu ze-moya kubambeke ngaphakathi, nto leyo inokuchaphazela ukuchaneka komlinganiso.

I-4.ADD Reagents

Landela imiyalelo yomenzi wongeza ii-regents kwiityhubhu zovavanyo. Ngokwesiqhelo, oku kubandakanya ukongeza ivolumu ethile yesampulu kunye nexabiso elimiselweyo lesisombululo se-potassium.
Cap iityhubhu ngokukhuselekileyo ukuthintela ukuvuza kunye nokuqinisekisa ukuxuba okufanelekileyo.

5.Iminyeliso

Beka iityhubhu zovavanyo kwindawo yokuhlamba amanzi okanye ibhloko yokufudumeza kwiqondo lokushisa elichaziweyo (ngesiqhelo i-150 ° C) kwixesha elifunekayo (ngeyure ezi-2). Eli nyathelo libalulekile kwi-oxidation epheleleyo yezinto eziphilayo.

6.Ukula kunye nokulinganisa

Vumela iityhubhu zovavanyo ukuba zipholile kubushushu begumbi ngaphambi kokulinganisa ukufunxa usebenzisa i-spectrameter. Qinisekisa ukuba i-wavelength isetwe ngokweenkcukacha zovavanyo lwe-tube.

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