Azikho izigaba

Leli shubhu lokuhlola le-COD liklanywe ngokunemba nokusebenza engqondweni. Inesakhiwo esimangelengele esingamelana nobunzima bokuhlolwa kwe-COD, okuhlanganisa amazinga okushisa aphezulu kanye nokuchayeka kumakhemikhali ahlukahlukene.

I-16mm COD Test Tube iyishubhu lengilazi elikhethekile elakhelwe ukuhlolwa kwe-Chemical Oxygen Demand (COD) elabhorethri. Inobubanzi obungu-16mm, inikeza isikhala esanele sokuqoqwa kwesampula nokuhlaziya. Ishubhu yenziwe ngengilazi yekhwalithi ephezulu, iqinisekisa ukuqina nokuhambisana kwamakhemikhali ukuze kulinganiswe okunembile nokuthembekile kwe-COD.

Isidingo somoya-mpilo wamakhemikhali siwukuhlola okubalulekile kokuhlola ikhwalithi yamanzi alahlwayo kanye namanzi angcolile ngaphambi kokuba akhishwe. Ukuhlolwa kweChemical Oxygen Demand (COD) kubikezela isidingo somoya-mpilo kumfucumfucu futhi isetshenziselwa ukuqapha nokulawula okuphumayo, kanye nokuhlola ukusebenza kwezitshalo zokwelashwa. Umthelela wokuchitheka kwamanzi angcolile noma angcolile emanzini atholwayo ubikezelwa ngesidingo sawo somoya-mpilo. Lokhu kungenxa yokuthi ukukhishwa komoya-mpilo emanzini emvelo kunciphisa amandla awo okulondoloza impilo yasemanzini. Ngakho-ke uhlolo lwe-COD lwenziwa njengenjwayelo kulabhorethri yezinsiza zamanzi nezinkampani zezimboni.

I-Aijiren COD Test Tube incane ngosayizi futhi ilula ngesisindo. Ingahlolwa ngaphandle kwanoma iyiphi enye impahla yaselabhorethri kanye nochwepheshe; kuthatha imizuzu engu-3-5 kuphela ukuhlola isampula, ngaphandle kwezinto ezengeziwe noma amathuluzi, futhi kulula ukuyisebenzisa.

Izitsha zokugaya ze-COD yizitsha ezikhethekile ezisetshenziswa ekuhlaziyeni amakhemikhali ukuze kutholwe isidingo samakhemikhali komoyampilo (COD) wesampula lamanzi. I-COD isilinganiso senani le-oxygen edingekayo ukuze kufakwe amakhemikhali ama-organic and inorganic compounds akhona emanzini.
Lezi zitsha ngokuvamile zenziwe ngengilazi yekhwalithi ephezulu noma ingilazi ye-borosilicate, ekwazi ukumelana nokusabela kwamakhemikhali futhi ingakwazi ukumelana nezinga lokushisa eliphezulu elidingekayo ngenqubo yokugaya i-COD. Izitsha zenzelwe ukubamba umthamo othize wesampula yamanzi kanye nama-reagents adingekayo ekuhlolweni kwe-COD.

I-Test Tube yitemu elingasho izinto ezihlukene kuye ngomongo. Ngomongo wesayensi, ishubhu lokuhlola ingilazi eyisilinda noma ishubhu lepulasitiki elisetshenziselwa ukubamba futhi kuxube amanani amancane oketshezi ngesikhathi sokuhlolwa kulabhorethri. Isetshenziswa kakhulu ku-chemistry, biology, kanye nezinye iziyalo zesayensi.
Ngomqondo obanzi, i-“Test Tube” ingaphinda ibhekisele esiteshini se-YouTube esibizwa ngokuthi “TestTube,” okuyisiteshi esidumile sesayensi nezemfundo esiphethwe yi-Discovery Digital Networks. Lesi siteshi sihlanganisa izihloko eziningi ezihlanganisa isayensi, ubuchwepheshe, umlando, namasiko, futhi sihlinzeka ngamavidiyo afundisayo najabulisayo kubabukeli.

Ishubhu yokuhlola ingilazi isitsha esiyisilinda esenziwe ngengilazi esivame ukusetshenziswa kulabhorethri yesayensi ukubamba, ukuxutshwa, nokushisisa amanani amancane oketshezi noma izinto eziqinile. Amashubhu okuhlola avamise ukuvuleka ekugcineni futhi anendawo eyindilinga noma evuleke kancane. Ziza ngosayizi abahlukahlukene, kusukela kumasentimitha ambalwa kuya kumasentimitha amaningana ubude.
Amashubhu okuhlola aklanyelwe ukumelana namazinga okushisa aphezulu kanye nokusabela kwamakhemikhali, okuwenza afanelekele inhlobo ebanzi yokuhlola nokuhlaziya.

Ukuhlola i-COD kuyinkomba engcono kakhulu yokungcoliswa kwemvelo emanzini angcolile embonini aqukethe ama-cyanides nezinsimbi ezisindayo. Ukuhlola i-COD kunikeza impendulo esheshayo ezimweni ezishintshayo ngaphambi kokuba kuvele izinkinga ezibucayi.

Ukuhlolwa kwe-COD kuyinkomba engcono kakhulu yokungcola kwemvelo emanzini angcolile ezimbonini aqukethe ama-cyanide nezinsimbi ezisindayo. Ukuhlolwa kwe-COD kunikeza impendulo esheshayo ezimeni ezishintshayo ngaphambi kokuba kuthuthuke izinkinga ezibucayi. 

I-COD Test Tube yenziwe ngengilazi ye-borosilicate, enganciphisa izinguquko ze-pH kanye nokungcola okungaphuma engilazini ye-soda-lime. Ishubhu yokuhlola ukugaya ingilazi ingasetshenziselwa ukuhlaziya emazingeni okushisa angaphezu kuka-130 degrees Celsius. Yenziwe ngesitoreji selabhorethri ngezinhloso ezijwayelekile ezahlukahlukene futhi ingabamba cishe noma yini.

20ml iseli yesampula yamanzi enekepisi, ecacile, engu-25 * 60mm, iphansi eliyisicaba; 25mm FTU izitsha zokuhlola, 6 pcs\/pk

Izitsha ze-autosampler


Usayizi: 25x60mm, 25x95mm
25mm FTU Izitsha Zokuhlola

Ishubhu yokuhlola ye-COD engu-16mm ekhiqizwa i-Aijiren isetshenziswa kakhulu ekuhlaziyeni amakhemikhali elabhorethri. U-Aijiren ukholelwa ukuthi i-COD Test Tube idinga izinto ezingavuthiwe zekhwalithi ephezulu kanye nobuchwepheshe obuthuthukisiwe ukuze iqedele ukukhiqiza, ngakho i-Aijiren ibheka kakhulu ukukhiqizwa kwe-COD Test Tube. U-Aijiren uke waba umakadebona emkhakheni wezinto ezisetshenziswayo ze-chromatography oneminyaka engama-20 yesipiliyoni sokukhiqiza. Usayigcinile inhloso yakhe yasekuqaleni futhi ubeka ukuthuthukiswa kwekhwalithi yomkhiqizo endaweni yokuqala.

I-COD Test Tube ingenye yemikhiqizo eyinhloko ye-Aijiren. Ingakwazi ukuqedela ukuhlola okuningi okubalulekile, okufana ne-colorimetry yokugaya, ukuhlolwa kwekhwalithi yamanzi, ukuhlolwa kwesidingo se-oxygen, njll. Ishubhu Lokuhlola le-COD elikhiqizwe i-Aijiren linokungena ngaphakathi, ikhwalithi enhle kanye neshubhu elizinzile. U-Aijiren usephenduke umkhiqizi owaziwayo wezinto ezisetshenziswayo zechromatography eningizimu yeChina ngenxa yekhwalithi enhle ye-COD Test Tube.

Amashubhu okuhlola we-COD akhiqizwa i-Aijiren avame ukusetshenziselwa ukuhlolwa kombala wokugaya. Lolu hlobo lokuhlola lunezidingo eziphezulu ze-COD Test Tubes futhi lunobubanzi bezinhlelo zokusebenza. Imithi, i-petroleum, amakhemikhali, ikhwalithi yamanzi, njll. konke kudinga ukusebenzisa ukuhlolwa kwe-colorimetric yokugaya. ukuhlola. I-Aijiren's COD Test Tubes ingahlangabezana kahle nezimfuneko zezinto ezisetshenziswayo ekuhloleni kombala wokugaya ukudla.

Amashubhu okuhlola we-COD akhiqizwa i-Aijiren avame ukusetshenziselwa ukuthola isidingo samakhemikhali komoyampilo. Ingilazi esetshenziswe ku-COD Test Tubes ekhiqizwe i-Aijiren inokumelana nezinga lokushisa eliphezulu, ukumelana nokugqwala, futhi ingawavikela kahle amasampula ngaphandle kokuthinta imiphumela yokuhlola. Izinto zokusetshenziswa ze-Aijiren zingezekhwalithi ephezulu kanye nesipiliyoni sokukhiqiza Ngokuchichimayo, ngamanani omkhiqizo avumayo, ingumnikezeli wekhwalithi ephezulu wezinto ezisetshenziswayo zechromatographic.

Ishubhu le-COD elihlinzekwe i-Aijiren lisebenzisa ingilazi yekhwalithi ephezulu, engasebenzi kahle kakhulu futhi ngeke isabele ngezinto ezivuselelayo. Ngokuhlolwa kweshubhu ye-Aijiren COD, isikhathi esidingekayo senqubo yokulinganisa sifinyezwa kakhulu, ikakhulukazi ekuhlaziyeni okujwayelekile kanye nesilinganiso sochungechunge, okunciphisa kakhulu umsebenzi.

Kuyaqapheleka ukuthi uma ama-COD Tubetests asetshenzisiwe aqukethe i-sulfuric acid eqinile namanye amakhemikhali, ama-reagents kufanele aphathwe ngokucophelela. Izinto ezisepayipini kufanele zilahlwe ngokuhambisana nezidingo zeziphathimandla zendawo. Lawa mashubhu angasetshenziswa kanye kuphela futhi awakwazi ukuphinda asetshenziswe.

Ngokuhlolwa kweshubhu ye-Aijiren COD, umsebenzisi ngamunye angakwazi ukuthola kalula amanzi azwela kakhulu futhi anembile. Isikhathi esidingekayo senqubo yokulinganisa sifinyezwa kakhulu, ikakhulukazi ekuhlaziyeni okujwayelekile kanye nesilinganiso sochungechunge, kuyilapho kunciphisa kakhulu umsebenzi.

I-COD Test Tube ekhiqizwe i-Aijiren inamandla angu-10ml, 12ml, kanye no-15ml. Ubukhulu buyi-16 mm. Ivamise ukusetshenziselwa ukuhlola izinga lamanzi futhi iqukethe ama-reagents awuketshezi. Isetshenziswa kakhulu embonini ye-petroleum kanye nokuhlaziywa kwamakhemikhali.

Ikepisi le-PP lenziwa ngocezu olulodwa olubunjiwe lwe-inert, i-polyethylene emelana namakhemikhali. I-starburst slits ivumela ukungena kwenaliti kalula. Yakhelwe izinhlelo zokusebenza ezizwela kakhulu, ikakhulukazi eMakethe ye-LCMS, ukuhlanzeka kwalesi sigqoko sezinto ezikhishwayo kungaphansi kwebanga le-picogram. Le polyethylene yezinga eliphezulu ayinazo izinkinga zokungcoliswa kwe-PTFE\/Silicone septa ebonisa amazinga aphansi okutholwa, kuyilapho futhi ivaleka kahle kakhulu.

Ukusebenzisa kabusha amakepisi nezitsha kuvula amathuba okungcola, kusukela ku-solvent (uketshezi noma umhwamuko) ohlangana nezinto ze-septa kanye nomkhathi. Lokhu kungase kube nomthelela omubi kakhulu emiphumeleni yakho yokuhlaziya, okubangelwa ukungcoliswa kwesampula, ukusabela kwamakhemikhali, noma ukuhwamuka. Kokubili amaphutha ekhwalithi nenani angase abe umphumela, adinga isikhathi esiningi, ebizayo, futhi ekhungathekisayo nokuxazulula izinkinga nokusebenza kabusha.

Kulokhu kuhlolwa kusetshenziswa i-reagent engenalutho esikhundleni sendawo evamile engenalutho yamanzi okukhulunywe ngayo emiyalweni evamile yokusebenza kwe-photometer. I-reagent blank ilungiswa ngokungeza amanzi akhishwe i-deionised noma a-distilled kushubhu le-reagent bese kugaywa ishubhu ngendlela efanayo neyesampula yamanzi.
Akudingekile ukulungisa i-reagent engenalutho njalo lapho ukuhlolwa kwenziwa. Ishubhu elingenalutho le-reagent lingase lilungiswe masonto onke futhi lisetshenziswe ngokuphindaphindiwe nawo wonke amasampuli alungiselelwe kusukela kuqeqebana lamashubhu asebenzayo. I-reagent engenalutho kufanele igcinwe ebumnyameni phakathi kokusetshenziswa.

Isidingo somoya-mpilo wamakhemikhali siwukuhlola okubalulekile kokuhlola ikhwalithi yamanzi alahlwayo kanye namanzi angcolile ngaphambi kokuba akhishwe. Ukuhlolwa kweChemical Oxygen Demand (COD) kubikezela isidingo somoya-mpilo kumfucumfucu futhi isetshenziselwa ukuqapha nokulawula okuphumayo, kanye nokuhlola ukusebenza kwezitshalo zokwelashwa. Umthelela wokuchitheka kwamanzi angcolile noma angcolile emanzini atholwayo ubikezelwa ngesidingo sawo somoya-mpilo. Lokhu kungenxa yokuthi ukukhishwa komoya-mpilo emanzini emvelo kunciphisa amandla awo okulondoloza impilo yasemanzini. Ngakho-ke ukuhlolwa kwe-COD kwenziwa njengenjwayelo kumalabhorethri ezinsiza zamanzi nezinkampani zezimboni.

Ngokuhlolwa kweshubhu ye-Aijiren COD, umsebenzisi ngamunye angakwazi ukuthola kalula amanzi azwela kakhulu futhi anembile.
Isikhathi esidingekayo senqubo yokulinganisa sifinyezwa kakhulu, ikakhulukazi ekuhlaziyweni okujwayelekile kanye nesilinganiso sochungechunge, kuyilapho kunciphisa kakhulu umsebenzi.
Ishubhu yokuhlola ye-COD iqukethe umthamo oqondile we-reagent. Ngakho-ke, inani lamakhemikhali eleqile liyagwenywa futhi nokuphepha komsebenzi kuyathuthukiswa.

Ukuhlolwa kwe-Chemical Oxygen Demand (COD) kusetshenziswa kabanzi njengesilinganiso sokungcoliswa kwezinto eziphilayo ngokunquma inani le-oxygen edingekayo ukuze kufakwe i-oxidation yezinhlobo ezincishisiwe ezihlanganisa izinto eziphilayo, kusampula yamanzi kusetshenziswa i-oxidizing ejenti ethile, izinga lokushisa kanye nokunciphisa isikhathi. Ukuhlolwa kwe-COD kuyinkomba engcono kakhulu yokungcola kwemvelo emanzini angcolile ezimbonini aqukethe ama-cyanide nezinsimbi ezisindayo. Ukuhlolwa kwe-COD kunikeza impendulo esheshayo ezimeni ezishintshayo ngaphambi kokuba kuthuthuke izinkinga ezibucayi.

Imininingwane Yokuhlolwa Kwesidingo Se-Chemical Oxygen:

U-2mL wesampula wamanzi noma we-watse wengezwa eshubhuni yengilazi engu-16mm equkethe into evuselela ukugaya ukudla kanye ne-catalyst. Ishubhu imbozwe nge-polypropylene, ikepisi elayishiwe ye-PTFE futhi ishisiswe ku-block digester ku-150C amahora angu-2. I-chromium ye-Hexavalent ewolintshi yehliswa ibe yi-chromium e-trivalent eluhlaza okwesibhakabhaka. Ibanga lokuhlaziya lendlela ye-spectrophotometric ngu-5-150ppm (kukalwa ku-420nm).

Ama-COD Tubetests asetshenzisiwe aqukethe i-sulfuric acid eqinile namanye amakhemikhali, ngakho-ke ama-reagents kufanele aphathwe ngokucophelela. Okuqukethwe kwepayipi kufanele kulahlwe ngokuhambisana nezidingo zeziphathimandla zendawo.
Lawa mashubhu okuhlola aqinisekisiwe nge-SGC. Lawa mashubhu angasetshenziswa kanye kuphela, ngakho awakwazi ukuphinda asetshenziswe.

Ukuze usebenzise i-heater yedijithali ekuhloleni i-COD, setha izinga lokushisa kusibonisi esidijithali libe ngu-150°C. Akumele i-heater ibekwe ezingeni lokushisa eliphezulu kunalelo elishiwo njengoba lokhu kungase kubangele ingozi ngokwakhiwa komfutho kumashubhu e-COD.

Ifanele ama-colorimeters namakhithi okuhlola emakethe
Futhi ifanele izinsimbi zomculo namakhithi okuhlola
Izitsha ezivalwe kalula ezivuleke kalula zisusa ubungozi bokungcoliseka
Nweba isikhathi seshelufu sibe yiminyaka emihlanu
Asetshenziselwa ukuhlola amanzi angcolile kamasipala; ukuhlolwa kwamanzi angcolile ezimbonini kanye nokulawula inqubo; ukuhlolwa kwamanzi kwemvelo

Vula ishubhu lokuhlola le-COD, libambe nge-engeli bese wengeza kancane
2.0 mL wesixazululo sesampula esenziwe ngaphambilini esivela kushubhu yokusabela ngaphandle kokuxuba ukuze izendlalelo ezimbili ezihlukene
Isicelo
Faka isikulufu ikepisi ngokuvikelekile ukuze uhlole ishubhu, ubambe ishubhu ngekepisi, faka ishubhu ebhodleleni lokuphepha futhi unyakazise
(Qaphela, ishubhu lokuhlola liyashisa). Faka ishubhu endaweni yokushisa. Qala uhlelo lokushisisa.
Ngemva kwamahora angu-2 khipha ishubhu lokuhlola endaweni yokushisa, vumela ukuba liphole ekamelweni lokushisa futhi unyakazise kancane
Ibhodlela le-Reagent
Hlanza ngaphandle kweshubhu lokuhlola futhi ulinganise.
Lungisa i-photometer ibe yiziro ngokusebenzisa inani elingenalutho elithi "NULL"

Isidingo somoya-mpilo wamakhemikhali siwukuhlola okubalulekile kokuhlola ikhwalithi yamanzi alahlwayo kanye namanzi angcolile ngaphambi kokuba akhishwe. Ukuhlolwa kweChemical Oxygen Demand (COD) kubikezela isidingo somoya-mpilo kumfucumfucu futhi isetshenziselwa ukuqapha nokulawula okuphumayo, kanye nokuhlola ukusebenza kwezitshalo zokwelashwa. Umthelela wokuchitheka kwamanzi angcolile noma angcolile emanzini atholwayo ubikezelwa ngesidingo sawo somoya-mpilo. Lokhu kungenxa yokuthi ukukhishwa komoya-mpilo emanzini emvelo kunciphisa amandla awo okulondoloza impilo yasemanzini. Ngakho-ke ukuhlolwa kwe-COD kwenziwa njengenjwayelo kumalabhorethri ezinsiza zamanzi nezinkampani zezimboni.

Ngokuhlolwa kweshubhu ye-Aijiren COD, umsebenzisi ngamunye angakwazi ukuthola kalula amanzi azwela kakhulu futhi anembile.
Isikhathi esidingekayo senqubo yokulinganisa sifinyezwa kakhulu, ikakhulukazi ekuhlaziyweni okujwayelekile kanye nesilinganiso sochungechunge, kuyilapho kunciphisa kakhulu umsebenzi.
Ishubhu yokuhlola ye-COD iqukethe umthamo oqondile we-reagent. Ngakho-ke, inani lamakhemikhali eleqile liyagwenywa futhi nokuphepha komsebenzi kuyathuthukiswa.

Ukuhlolwa kwe-Chemical Oxygen Demand (COD) kusetshenziswa kabanzi njengesilinganiso sokungcoliswa kwezinto eziphilayo ngokunquma inani le-oxygen edingekayo ukuze kufakwe i-oxidation yezinhlobo ezincishisiwe ezihlanganisa izinto eziphilayo, kusampula yamanzi kusetshenziswa i-oxidizing ejenti ethile, izinga lokushisa kanye nokunciphisa isikhathi. Ukuhlolwa kwe-COD kuyinkomba engcono kakhulu yokungcola kwemvelo emanzini angcolile ezimbonini aqukethe ama-cyanide nezinsimbi ezisindayo. Ukuhlolwa kwe-COD kunikeza impendulo esheshayo ezimeni ezishintshayo ngaphambi kokuba kuthuthuke izinkinga ezibucayi. Izitsha ze-COD zika-Lovibond ziyahambisana nama-colorimeter OKUMBILI we-Lovibond ne-Hach®.

Ukuhlolwa kwe-tube kokuhlaziywa kwe-photometric kukholisa ngokuphathwa kwawo kalula ngakho-ke kuyinketho yokuqala yokuhlaziywa kwenqubo, ilabhorethri kanye nenqubo. Ubuningi bokunemba nokunemba kunikezwa emiphumeleni yokulinganisa ngenxa yama-reagents afakwe umthamo wangaphambilini ku-16mm cuvettes nama-reagents engeziwe.

Ukuhlola amanzi e-Total Organic Carbon (TOC) akusabalulekile embonini yezemvelo. Ngezindlela zakamuva ze-USP, i-TOC manje isiyinkinga yanoma iyiphi imboni esebenzisa Amanzi Ahlanzekile Namanzi Omjovo. Izitsha ze-TOC ze-Aijiren Low Level zihlanzwa ngokukhethekile futhi zipakishwe ukuze kwehlise i-TOC ibe amazinga aphansi kakhulu ngangokunokwenzeka, iqinisekisa isizinda esiphansi sokuhlolwa kwakho.

I-TOC isifinyezo se-Total Organic Carbon. I-TOC Direct Method evela ku-Aijiren inikeza izindlela ezithembekile nezisebenzayo zezindawo zokuhlanza amanzi ukuze zivame ukukala ikhabhoni ephilayo ukuze kuthuthukiswe izinqubo zokwelashwa. Esikhundleni sokuthenga umhlaziyi we-TOC obizayo, ongokwesiko noma ukhiphe izinqumo ze-TOC elabhorethri yenkontileka, le ndlela inganikeza imiphumela ye-TOC - ngokunembile futhi engabizi - khona kanye endaweni yakho, futhi ngaphandle kwanoma iyiphi imfucuza eyingozi.

I-Aijiren ibambe iqhaza ekukhiqizeni ishubhu yokuhlola ye-COD ene-Caps iminyaka engaphezu kweshumi, sinolwazi olucebile ngokuphelele nezinqubo ezijwayelekile zokukhiqiza ishubhu yokuhlola ye-COD enekepisi, futhi singaqinisekisa ikhwalithi ephezulu yeshubhu lokuhlola le-COD elikhiqizwa i-Aijiren ngentengo efanelekile.

I-Aijiren isebenzisa izinto zokusetshenziswa zekhwalithi ephezulu ukwenza Ishubhu Lokuhlola elingu-16mm Lokuhlaziya Amanzi. Ukwaneliseka nokudumisa kwekhasimende kwenze i-Aijiren yaba ngenye yabakhiqizi abakhulu baselabhorethri abasebenzisekayo eningizimu yeChina. Okokuqala, i-Aijiren izogcina inhloso yokuqinisekisa ikhwalithi ye-16mm Test Tube Yokuhlaziya Amanzi.