Amashubhu wekhwalithi ephezulu yekhwalithi ephezulu yelebhu
Ukuhlolwa kwe-Chemical Oxygen (COD) kubalulekile ekuhlolweni kwekhwalithi yamanzi, ikakhulukazi ekuphathweni kwamanzi angcolile kanye nokuqapha imvelo. Amashubhu weCod zikhethekile amathuluzi welabhoratri aklanyelwe ukwenza lula ukukalwa okunembile kokungcoliswa kwe-organic kumasampula wamanzi. Nakhu okudingeka ukwazi ngala mathuluzi abalulekile:
1️⃣ Izinhlobo zamashubhu ama-COD
Ama-COD tubes eza ngemiklamo ehlukahlukene, kufaka phakathi:
- Amashubhu agcwele ama-: Lawa mashubhu aqukethe ama-reagents adingekayo nama-catalysts, enza lula inqubo yesampula yokulungiselela. Isibonelo, uLovigond® unikeza izivivinyo ze-COD VLR Tube ezilinganisa amazinga e-COD kusuka ku-2-60 mg \ l, okwenza kube yinto elungele ukuhlolwa okusheshayo.
- Amashubhu wesiko le-Glass: Ngokuvamile kwenziwa ngengilazi yekhwalithi ephezulu ye-borossiling, la mashubhu aklanyelwe ukubekezelela amazinga okushisa aphezulu ngesikhathi sokugaya. Imvamisa iza ne-polypropylene caps efakwe i-PTFE ukuqinisekisa ukubekwa uphawu okuvikelekile futhi kuvikele ukungcoliswa.
2️⃣ Uhla lokuhlaziya
Amashubhu ahlukene e-COD alinganiselwe amabanga athile wokuhlaziya. Isibonelo, amanye amashubhu enzelwe ukugxila okuphansi (5-150 ppm) kanti amanye angaphatha amabanga aphezulu (20- 1000 ppm). Lokhu kuguqulwa kuvumela amatoreri ukuthi akhethe ishubhu efanelekile ngokususelwa kwizidingo zazo zokuhlola.
3️⃣ Ukusebenziseka kalula
Amashubhu amaningi we-COC enzelwe ukuhambisana nemishini yelebhu ejwayelekile enjenge-block digectophotometers. Lokhu kuhambisana nokuhambisana nokuhamba komsebenzi futhi kuthuthukisa ukusebenza kahle ezinkundleni zokuhlola. Izinketho zangaphambi kwe-Slit Septa nazo zisiza ukungena kwenaliti okulula lapho usebenzisa ama-autosamplers.
4️⃣ Izinja
Amashubhu e-COD asetshenziswa kabanzi kuzicelo ezahlukahlukene, kufaka phakathi:
- Ukwelashwa kwamanzi amdaka: Ukubheka ukusebenza kwezinsiza zokwelashwa ngokukala umthwalo we-organic.
- Ukuhlolwa Kwemvelo: Ukuhlola umthelela wokungcola kwimizimba yamanzi.
- Izinqubo zezimboni: Ukuqinisekisa ukuhambisana nemithetho yezemvelo ngokubheka ikhwalithi ye-Effluent.