Yiziphi Izindlela Eziyinhloko Zokukala I-Oxygen Encibilikile Emanzini?

Indlela ye-electrochemical probe isebenza ngesimiso sokuthi ama-molecule omoya-mpilo asakazeka ngolwelwesi olukhethiwe futhi ancishiswe ku-electrode esebenzayo, akhiqize ukugeleza kwamanje ngokulingana nokugxiliswa komoyampilo. Ngokulinganisa lokhu kwamanje, ukugcwala komoyampilo okuncibilikisiwe kusampula kunganqunywa ngokunembile. Leli phepha ligxile ezinqubweni zokusebenza nezinqubo zokunakekela ezihambisana nendlela yokuhlola ye-electrochemical, okuhloswe ngayo ukuthuthukisa ukuqonda kwezici zokusebenza kwezinsimbi nokuthuthukisa ukunemba kokulinganisa.

1.Izinsimbi namaReagents
Izinsimbi eziyinhloko: i-multifunctional water quality analyzer
Ama-reagents: lawo adingekayo ekunqumeni kwe-iodometric ye-oxygen encibilikile

2. Ukulinganiswa Kwesikali Esigcwele Semitha Ye-oksijeni Encibilikisiwe
Indlela Yoku-1 Yaselabhorethri (Indlela Ye-Saturated Air-Water): Ezingeni lokushisa elilawulwayo elingu-20 °C, faka i-1 Litha lamanzi acwebile kubhika elingu-2 L. Faka isixazululo ngokuqhubekayo amahora ama-2, bese uyeka ukungena futhi uvumele amanzi azinze imizuzu engama-30. Qalisa ukulinganisa ngokubeka i-probe emanzini futhi ugovuze nge-stirrer kazibuthe ku-500 rpm noma ngokuhambisa kahle i-electrode ngaphakathi kwesigaba samanzi. Khetha "ukulinganisa okugcwele komoya-manzi" kusixhumi esibonakalayo sensimbi. Lapho usuqedile, ukufundwa kwesikali esigcwele kufanele kubonise u-100%.

Indlela yesi-2 Yaselabhorethri (Indlela Yomoya Ogcwaliswe Ngamanzi): Ku-20 °C, manzisa isipontshi ngaphakathi komkhono wokuvikela weprobe size sigcwale ngokugcwele. Cindezela ngokucophelela ingaphezulu lolwelwesi lwe-electrode ngephepha lokuhlunga ukuze ukhiphe umswakama oweqile, faka kabusha i-electrode kumkhono, futhi uyivumele ukuthi ilingane amahora angu-2 ngaphambi kokuqala ukulinganisa. Khetha "ukulinganisa komoya okugcwele amanzi" kusixhumi esibonakalayo sensimbi. Lapho sekuqediwe, ukufundwa kwesikali esigcwele ngokuvamile kufinyelela ku-102.3%. Ngokuvamile, imiphumela etholwe ngendlela yomoya ogcwele amanzi ihambisana naleyo evela endleleni yamanzi agcwele umoya. Izilinganiso ezilandelayo zanoma yiliphi elimaphakathi ngokuvamile zikhiqiza amanani acishe abe ngu-9.0 mg/L.

Ukulinganiswa Kwenkundla: Insimbi kufanele ilinganiswe ngaphambi kokusetshenziswa ngakunye. Uma kubhekwa ukuthi amazinga okushisa angaphandle avame ukuhluka ukusuka ku-20 °C, ukulinganisa kwenkambu kwenziwa kangcono kakhulu kusetshenziswa indlela yomoya egcwele amanzi ngaphakathi komkhono we-probe. Amathuluzi alinganiswa kusetshenziswa le ndlela abonisa amaphutha okulinganisa ngaphakathi kwemikhawulo eyamukelekayo futhi ahlala elungele ukusetshenziswa kwendawo.

3. Ukulinganisa Iphuzu Liziro
Lungiselela isixazululo esingenawo umoya-mpilo ngokuncibilikisa u-0.25 g we-sodium sulfite (Na₂SO₃) no-0.25 g we-cobalt(II) chloride hexahydrate (CoCl₂·6H₂O) ku-250 mL wamanzi ahlanzekile. Gxilisa uphenyo kulesi sixazululo bese uyanyakazisa ngobumnene. Qalisa ukulinganisa kwamaphuzu anguziro bese ulinda ukuthi ukufundwa kuzinze ngaphambi kokuqinisekisa ukuqedwa. Amathuluzi afakwe isinxephezelo esinguziro esizenzakalelayo awadingi ukulinganisa kukaziro okwenziwa ngesandla.