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Sebenzisa amashubhu wokuhlola ama-cod wokuhlolwa kwamanzi

Ukuhlolwa kwe-Chemical Oxygen (COD) kuyindlela ebalulekile yokuhlola ikhwalithi yamanzi, ikakhulukazi ukwelashwa kwamanzi amdaka kanye nokuqapha imvelo. Amashubhu wokuhlola ama-COC enza lula inqubo, kepha ukusetshenziswa okufanele kubalulekile ekutholeni imiphumela efanele

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Ukuhlolwa kwe-Chemical Oxygen (COD) kuyindlela ebalulekile yokuhlola ikhwalithi yamanzi, ikakhulukazi ukwelashwa kwamanzi amdaka kanye nokuqapha imvelo. I-COC Test Test shups yenza lula inqubo, kepha ukusetshenziswa okufanele kubalulekile ekutholeni imiphumela efanele. Nasi umhlahlandlela wesinyathelo ngesinyathelo sokuqinisekisa ukuhlolwa okusebenzayo:

1.Ukuqonda inhloso

I-COD ilinganisa inani le-oksijini elidingekayo kumakhemikhali we-oxidize we-organic ne-inorganic emanzini. Le pharamitha ibalulekile ekuhlolweni komthwalo wokungcola kanye nokusebenza kahle kwemizimba yamanzi.

2.Khetha amashubhu wokuhlola afanele

Khetha amashubhu wokuhlola ama-Certified Cod aklanyelwe ngokukhethekile indlela yakho yokuhlola. Qinisekisa ukuthi zikhululekile ekungcolisweni futhi zilungele uhla olulindelekile lwamanani we-COD kumasampula akho.

3. Iqoqo lesampula

Qoqa amasampula wamanzi ezitsheni ezihlanzekile, ezingcolile. Gwema ukudalula amasampula emoyeni ngezikhathi ezengeziwe, ngoba lokhu kungaguqula imiphumela ye-COD.

Gcwalisa amashubhu wokuhlola uye ezingeni elinconyelwe, uqinisekise ukuthi akukho bubhula womoya ubanjwe ngaphakathi, okungathinta ukunemba kwesilinganiso.

4.Add reagents

Landela imiyalo yomenzi yokwengeza ama-reagents kumashubhu wokuhlola. Ngokuvamile, lokhu kufaka ukwengeza ivolumu ethile yesampula nenani elinqunyelwe le-potassium dichromate solution.
CAP amashubhu ngokuphephile ukuvikela ukuvuza futhi uqinisekise ukuxubeka okufanele.

I-5.Cicubation

Beka amashubhu wokuhlola kubhavu wamanzi noma ibhulokhi yokushisa endaweni yokushisa ebekiwe (imvamisa i-150 ° C) yesikhathi esidingekayo (imvamisa amahora angu-2). Lesi sinyathelo sibucayi ukuze uthole i-oxidation ephelele yezinto eziphilayo.

6.cooling nokulinganisa

Vumela amashubhu wokuhlola ukuthi aphole ekushiseni kwegumbi ngaphambi kokulinganisa ukumunca usebenzisa i-spectrophotometer. Qinisekisa ukuthi i-wavelength isethwe ngokuya nge-test tube profiseds.

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