Hom Kev Xaiv ntawm pH Meter pH Sensor Electrode thiab ORP Meter Redox Electrode
Hom Kev Xaiv ntawm pH Meter pH Sensor Electrode thiab ORP Meter Redox Electrode
1. PH electrode xaiv:
1. Xaiv cov khoom siv plhaub:
Lub plhaub ntawm pH electrode feem ntau siv ob hom PC yas (polycarbonate) plhaub thiab iav plhaub. Lub plhaub PC tiv taus kev sib tsoo thiab kev cuam tshuam, tab sis qhov ntsuas kub siv tau<80oC. And it is susceptible to corrosion in high alkali solution and some media. The glass casing is suitable for a temperature of 0-150oC, and is generally not corroded except for hydrofluoric acid solution, but it is easy to be damaged by collision.
2. Kev xaiv cov kua dej sib txuas:
Cov kua hlws ris yog qhov kev sib txuas uas sib txuas lus cov kev siv sab nraud thiab cov kev ntsuas ntsuas, thiab yuav tsum muaj peev xwm ruaj khov thiab rov tsim dua tshiab. Cov ntaub ntawv ua kua dej dav dav suav nrog cov khoom siv fiber ntau, cov tub ntxhais ceramic, iav sib tsoo lub qhov ncauj thiab lwm yam xov xwm. Cov khoom siv fiber ntau feem ntau yog siv rau hauv cov ntaub ntawv yas electrodes, thiab nws cov tshuaj seeps tawm sai dua thiab tsis yooj yim los thaiv; Cov tub ntxhais ceramic muaj qhov zoo corrosion kuj thiab cov kua hlws ris lub peev xwm Lub stability thiab reproducibility ntawm lub iav yog zoo, thiab nws yuav siv tau nyob rau hauv kub nruab nrab. Nws yog cov khoom siv sib txuas ua kua ntau tshaj plaws; qhov chaw sib cuag ntawm cov iav sib tsoo interface thiab cov kev daws teeb meem thiab cov seepage ceev yog loj, thiab nws yog haum rau cov tsis muaj zog ionic zog. , Kev txiav txim siab ntawm viscosity siab, turbid kua lossis colloidal tov.
3. Kev xaiv ntawm pH rhiab iav membrane:
Lub pH-sensitive iav daim nyias nyias yog yaj los ntawm lithium iav nrog hydrogen muaj nuj nqi, thiab feem ntau yog spherical. Feem ntau cov electrodes siv cov pa rhiab iav daim nyias nyias, tab sis muaj rhiab iav daim nyias nyias rau high-temperature media, thiab rhiab iav rau high-temperature muaj zog acid media. Membrane, high-temperature steam (130oC) rhiab iav membrane, thiab low-resistance rhiab iav membrane (rau kev ntsuas dej ntshiab), thiab lwm yam, yuav tsum tau xaiv raws li qhov sib txawv.
4. Kev xaiv cov khoom siv electrode:
Raws li txoj cai, Ag / Agcl siv electrodes yog siv, tab sis feem ntau Ag / Agcl siv electrodes tau yooj yim yaj ntawm qhov kub thiab txias thiab muaj peev xwm tsis ruaj khov, thaum Ag / Agcl siv electrode nrog cov qauv capillary muaj peev xwm siv tau ruaj khov, tsim nyog siv. nyob rau hauv tej yam kev mob ntawm kub siab thiab mus sij hawm ntev kev soj ntsuam tas li.
5. Kev xaiv ntawm lub qhov (socket) electrode:
Qhov feem ntau siv lub qhov (socket) rau pH electrode yog BNC hom (tseem hu ua Q9 hom), ntxiv rau lwm hom, nws tsuas yog nyob ntawm qhov sib txuam ntawm cov khoom siv sib xws. (Txoj tsab ntawv kawg ntawm tus qauv electrode * qhia txog lub qhov (socket)).
Hom Kev Xaiv ntawm pH Meter pH Sensor Electrode thiab ORP Meter Redox Electrode
2. ORP electrode xaiv:
1. Kev xaiv dav dav: tib yam li pH electrode (tshwj tsis yog daim nyias nyias)
2. Xaiv cov khoom rhiab heev:
Kev xaiv ntawm ORP electrode rhiab Cheebtsam feem ntau txiav txim siab cov khoom ntawm qhov ntsuas nruab nrab. Feem ntau, kub electrodes yog siv rau oxidizing media, xws li oxidation ntawm cyanide, oxidation ntawm nitrite, ntsuas ozone, thiab ntsuas hydroperoxide. Platinum electrodes yog siv los txo cov xov xwm, xws li txo cov chromate, chlorination ntawm cov pas dej da dej, thiab lwm yam.
