Ƙaddamar da ragowar chlorine/ jimlar chlorine ta DPD spectrophotometry

Chlorine maganin kashe kwayoyin cuta ne da aka saba amfani da shi kuma ana amfani da shi sosai a cikin aikin tsabtace ruwan famfo, wuraren shakatawa, kayan abinci, tebur, da sauransu. chlorination disinfection ya jawo hankali da yawa. Ragowar abun ciki na chlorine muhimmiyar alama ce don kimanta tasirin lalata ruwa.

Domin hana sake dawowa da sauran ƙwayoyin cuta, ƙwayoyin cuta da sauran ƙananan ƙwayoyin cuta a cikin ruwa, bayan an lalata ruwan da abubuwan da ke ɗauke da chlorine na ɗan lokaci, ya kamata a sami adadin chlorine da ya dace a cikin ruwa don tabbatar da ci gaba da ci gaba. iyawar haifuwa. Duk da haka, lokacin da ragowar chlorine ya yi yawa, yana iya haifar da gurɓataccen ruwa na biyu, sau da yawa yakan haifar da samar da ƙwayoyin cuta na carcinogen, haifar da anemia na hemolytic, da dai sauransu, wanda ke da wasu illa ga lafiyar ɗan adam. Don haka, yadda ya kamata sarrafawa da gano ragowar chlorine yana da mahimmanci a cikin maganin samar da ruwa.

Akwai nau'ikan chlorine da yawa a cikin ruwa:

Ragowar chlorine (chlorine kyauta): Chlorine a cikin sigar hypochlorous acid, hypochlorite, ko narkar da chlorine na farko.
Haɗin chlorine: Chlorine a cikin nau'in chloramines da organochloramines.
Jimlar chlorine: Chlorine da ke samuwa a cikin sigar chlorine saura kyauta ko hadewar chlorine ko duka biyun.

Don tantance ragowar chlorine da jimlar chlorine a cikin ruwa, hanyar o-toluidine da hanyar aidin an yi amfani da su sosai a baya. Waɗannan hanyoyin suna da wahala don aiki kuma suna da dogayen zagayowar bincike (na buƙatar ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwarar)), kuma ba za su iya biyan buƙatun don saurin gwajin ingancin ruwa ba. buƙatun kuma ba su dace da nazarin kan shafin ba; haka ma, saboda o-toluidine reagent yana da cutar kansa, hanyar gano sinadarin chlorine a cikin "Ka'idojin Tsaftar Ruwa" da Ma'aikatar Lafiya ta Jamhuriyar Jama'ar Sin ta yi a watan Yunin 2001 ta cire reagent na o-toluidine. An maye gurbin hanyar benzidine da DPD spectrophotometry.

Hanyar DPD a halin yanzu ɗaya ce daga cikin ingantattun hanyoyin don gano ragowar chlorine nan take. Idan aka kwatanta da hanyar OTO don gano ragowar chlorine, daidaitonsa ya fi girma.
Ganewar DPD daban-daban Photometric Photometry hanya ce ta nazarin sinadarai da aka saba amfani da ita don auna ma'aunin chlorine mai ƙarancin hankali ko jimlar chlorine a cikin samfuran ruwa. Wannan hanyar tana ƙayyade adadin chlorine ta hanyar auna launi da wani nau'in sinadari ya haifar.
Ka'idodin asali na DPD photometry sune kamar haka:
1. Reaction: A cikin samfuran ruwa, ragowar chlorine ko jimlar chlorine yana amsawa tare da takamaiman reagents na sinadarai (DPD reagents). Wannan halayen yana haifar da canjin launi na maganin.
2. Canjin launi: Filin da aka kafa ta DPD reagent da chlorine zai canza launin ruwan samfurin bayani daga mara launi ko rawaya mai haske zuwa ja ko shunayya. Wannan canjin launi yana cikin kewayon bakan da ake iya gani.
3. Ma'aunin Photometric: Yi amfani da spectrophotometer ko photometer don auna sha ko watsawa na bayani. Yawancin lokaci ana yin wannan ma'aunin a wani takamaiman tsayin igiyar ruwa (yawanci 520nm ko wani takamaiman tsayin raƙuman ruwa).
4. Bincike da ƙididdiga: Dangane da ƙimar ƙima ko ƙimar watsawa, yi amfani da ma'auni na ma'auni ko tsarin maida hankali don ƙayyade ƙwayar chlorine a cikin samfurin ruwa.
DPD photometry yawanci ana amfani da shi sosai a fagen kula da ruwa, musamman wajen gwada ruwan sha, ingancin ruwan wanka da hanyoyin sarrafa ruwa na masana'antu. Hanya ce mai sauƙi kuma madaidaiciya wacce za ta iya auna yawan ƙwayar chlorine cikin sauri don tabbatar da cewa ƙwayar chlorine a cikin ruwa yana cikin kewayon da ya dace don kawar da ƙwayoyin cuta da sauran ƙwayoyin cuta masu cutarwa.
Lura cewa takamaiman hanyoyin bincike da kayan aiki na iya bambanta tsakanin masana'anta da dakunan gwaje-gwaje, don haka lokacin amfani da hoto na DPD, da fatan za a koma zuwa takamaiman hanyar nazari da littafin aiki na kayan aiki don tabbatar da daidaito da maimaitawa.
LH-P3CLO a halin yanzu wanda Lianhua ke samarwa shine saura mitar chlorine mai ɗaukuwa wanda ya dace da hanyar photometric DPD.
Mai dacewa da ma'auni na masana'antu: HJ586-2010 Ingancin Ruwa - Ƙaddamar da Chlorine Kyauta da Jimlar Chlorine - N, N-diethyl-1,4-phenylenediamine spectrophotometric Hanyar.
Hanyoyin gwaji na yau da kullun don ruwan sha - Alamomin lalata (GB/T5750,11-2006)
Siffofin
1, Mai sauƙi kuma mai amfani, mai dacewa a cikin biyan bukatun, saurin ganowa daban-daban mai nuna alama da aiki mai sauƙi.
2, 3.5-inch launi allon, bayyananne kuma kyakkyawan dubawa, ƙirar mai amfani da salon bugun kira, maida hankali shine karantawa kai tsaye.
3, Manuniya masu aunawa guda uku, masu goyan bayan ragowar chlorine, jimlar chlorine saura, da gano alamar chlorine dioxide.
4, 15 inji mai kwakwalwa na ginannen lanƙwasa, goyon bayan gyaran fuska, saduwa da buƙatun cibiyoyin bincike na kimiyya, da daidaitawa ga yanayin gwaji daban-daban.
5, Taimakawa daidaitawar gani, tabbatar da ƙarfin haske, inganta daidaiton kayan aiki da kwanciyar hankali, da haɓaka rayuwar sabis.
6, Gina a cikin ma'auni babba, nunin ilhama na wuce iyaka, bugun kira yana nuna ƙimar ƙimar iyaka, jan hanzari don wuce iyaka.


Lokacin aikawa: Mayu-24-2024