Nweba isikhathi seshelufu sibe yiminyaka emihlanu

Ishubhu yokuhlola ye-COD engu-20ml yekhwalithi ephezulu iyathengiswa
16mm Ishubhu Yokuhlola Ukugaya I-COD Yomkhiqizi
Ishubhu yokuhlola ye-COD engu-20ml16mm Isikulufa Entanyeni Ezungeza Ngezansi I-COD Yokuhlola Iyathengiswa
Imishini Yokuphakela Izinhlanzi ezintantayo Iyathengiswa
Asetshenziselwa ukuhlola amanzi angcolile kamasipala; ukuhlolwa kwamanzi angcolile ezimbonini kanye nokulawula inqubo; ukuhlolwa kwamanzi kwemvelo

https:/www.hplcvials.com\/products\/test-tube\/16mm.html
2.0 mL wesixazululo sesampula esenziwe ngaphambilini esivela kushubhu yokusabela ngaphandle kokuxuba ukuze izendlalelo ezimbili ezihlukene
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Faka isikulufu ikepisi ngokuvikelekile ukuze uhlole ishubhu, ubambe ishubhu ngekepisi, faka ishubhu ebhodleleni lokuphepha futhi unyakazise
I-20ml headspace vial10ml Glass Borosilicate 3.3 Glass Test Tube ene-PTFE\/Silicone screw cap
Ngemva kwamahora angu-2 khipha ishubhu lokuhlola endaweni yokushisa, vumela ukuba liphole ekamelweni lokushisa futhi unyakazise kancane
IsiScottish Gaelic
Imininingwane Yokuhlolwa Kwesidingo Se-Chemical Oxygen:
20ml headspace vial16mm COD Test Tube for Water Analysis

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.
Isikhathi esidingekayo senqubo yokulinganisa sifinyezwa kakhulu, ikakhulukazi ekuhlaziyweni okujwayelekile kanye nesilinganiso sochungechunge, kuyilapho kunciphisa kakhulu umsebenzi.

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.

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.

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.

Ngokuhlolwa kweshubhu ye-Aijiren COD, umsebenzisi ngamunye angakwazi ukuthola kalula amanzi azwela kakhulu futhi anembile.
Ishubhu yokuhlola ye-Aijiren COD yenziwe ngengilazi ye-borosilicate, enganciphisa izinguquko ze-pH kanye nokungcola okungase kukhishwe engilazini ye-soda lime. Ishubhu lokuhlola ukugayeka kwengilazi lingasetshenziswa ukuhlaziya...
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®.

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.

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.

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).

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.

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.

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.

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.

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.

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.
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.

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 kumiphumela 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.