Akukho ntlobo

Le tube yovavanyo ye-COD yenzelwe ngokuchanekileyo nangokusebenza engqondweni. Ibonisa ulwakhiwo olunenkani olunokumelana neengqolowa zovavanyo lwe-COD, kubandakanya nobushushu obuphakamileyo kunye nokubonisa iichemicals ezahlukeneyo.

I-16mm ityhubhu ye-16mm ye-16 yi-tube ekhethekileyo yeglasi eyenzelwe uvavanyo lweoksijini yeoksijini (i-COD) kwilabhoratri. Inobubanzi be-16mm, ukubonelela ngesithuba esaneleyo sokuqokelelwa kwesampulu kunye nohlalutyo. I-tube yenziwa ngeglasi ekumgangatho ophezulu, ekuqinisekiseni ukuqina kunye nokuhambelana nemilinganiselo echanekileyo ye-COD echanekileyo.

Ibango leoksijini yeoksijini luvavanyo olubalulekileyo lokuvavanya umgangatho wamanzi amdaka kunye namanzi anqabileyo ngaphambi kokukhutshwa. Uvavanyo lwe-OXYGN WOKUGQIBELA (CoD) vavanya imfuneko efunekayo kwimfuno ye-therighgen ye-Ekrekran kwaye isetyenziselwa ukubeka esweni nokulawulwa kokusebenza kunye nokuvavanya ukusebenza kwezityalo zonyango. Impembelelo yamanzi amdaka okanye amanzi akhutshiweyo amanzi anokufumana amanzi afumanayo axelwe kwangaphambili yimfuno yayo yeoksijini. Kungenxa yokuba ukususwa kweoksijini evela kumanzi endalo kunciphisa amandla ayo okuxhasa ubomi basemanzini. Uvavanyo lwe-COD ke lusenziwa njengenkqubo kwiilebhu zezinto ezisetyenziswayo zamanzi kunye neenkampani zemveliso.

Ityhubhu ye-Aijiren Cod incinci ngobukhulu kunye nokukhanya kubunzima. Inokuvavanywa ngaphandle kokuba ezinye izixhobo zelebhu kunye neengcali; Kuthatha kuphela imizuzu engama-3-5 kuphela ukuvavanya isampulu, ngaphandle kwezinto ezongezelelweyo okanye izixhobo, kwaye kulula ukusebenza.

I-cod diegs i-vills i-vials zikhohlakele ezisetyenzisiweyo kuhlalutyo lweekhemikhali zokumisela imfuno yeoksijini yeoksijini (i-COD) yesampulu yamanzi. I-COD ngumlinganiso wenani leoksijini efunekayo ekufumaneni izikhephe ze-sporganic kunye ne-inorganic machie ekhoyo emanzini.
Ezi vils ziqhele okwenziwa ngeglasi ekumgangatho ophezulu okanye iglasi ye-borosilicate, engaxhakisi ukuphendula kweekhemikhali kwaye inokumelana namaqondo obushushu aphezulu ayimfuneko kwi-CoD Depenity Inkqubo yokugaya i-CoD. Iiphenyi zenzelwe ukubamba ivolumu ethile yesampulu yamanzi kunye neeRegents eziyimfuneko kuvavanyo lweCOD.

Uvavanyo lwetyhubhu ligama elinokubhekisa kwizinto ezahlukeneyo ngokuxhomekeke kwimeko. Kwimeko yesayensi, ityhubhu yovavanyo yiglasi ye-cylindrical okanye ityhubhu yeplastiki esetyenziselwa ukubamba kwaye idibanise izixa ezincinci zolwelo ngexesha lovavanyo kwiilebhu. Ihlala isetyenziswa kwi-chemistry, yebhayoloji, kunye nezinye iindlela zenzululwazi.
Kwingqondo ebanzi, "ityhubhu yovavanyo" inokubhekisa kwi-YouTube Channel ebizwa ngokuba yi "vavanyo," enguMjelo weSayensi odumileyo kunye nomjelo wezemfundo ngenethiwekhi yedijithali. Ijelo ligubungela uluhlu olubanzi lwezihloko, kubandakanya nesayensi, itekhnoloji, imbali kunye nenkcubeko, kwaye ibonelela ngeevidiyo ezinolwazi kunye nokuzonwabisa iividiyo zababukeli.

I-tube yovavanyo lweglasi yesosi isikhongozeli se-cylindrical esenziwe ngeglasi esetyenziswayo kwiilebhu zesayensi ngokubamba, ukuxuba, kunye nokufudumeza inani elincinci okanye izinto eziqinileyo. Iityhubhu zovavanyo zihlala zivulekile kwisiphelo esinye kwaye zibe nezantsi okanye ifutha kancinci. Beza ngobukhulu obahlukeneyo, bavela kwiisentimitha ezimbalwa ukuya kwiisentimitha ezininzi ubude.
Iityhubhu zovavanyo zenzelwe ukumelana nobushushu obuphakamileyo kunye nokuphendula kweekhemikhali, zibenza balungele uluhlu olubanzi lovavanyo kunye nohlalutyo.

Ukuvavanywa kwe-COD yisalathiso esingcono se-organic sokungcoliseka kwe-organic kumanzi amdaka omzi-mveliso aqukethe i-cyenasides kunye nentsimbi enzima. Uvavanyo lwe-COD lubonelela ngempendulo ekhawulezileyo yokutshintsha kweemeko ngaphambi kokuphuhlisa iingxaki.

Ukuvavanywa kwe-COD yisalathiso esingcono se-organic sokungcoliseka kwe-organic kumanzi amdaka omzi-mveliso aqukethe i-cyenasides kunye nentsimbi enzima. Uvavanyo lwe-COD lubonelela ngempendulo ekhawulezileyo yokutshintsha kweemeko ngaphambi kokuphuhlisa iingxaki. 

Ityhubhu yovavanyo lweCod yenziwa ngeglasi ye-borossilicate, enokunciphisa utshintsho lwe-PH kunye nongcoliseko olunokukhupha kwiglasi yesoda. Ityhubhu yokugaya iglasi inokusetyenziselwa uhlalutyo kumaqondo obushushu angaphezulu kwe-130 degrees Celsius. Yenziwe ngokutshelwa kwelebhu yeenjongo ezahlukeneyo kwaye kunokubamba nantoni na.

I-20ml yamanzi esampulu yesampulu, icacile, i-25 + 60mm ezantsi; I-25mmm ft vials Vials, i-6 PCS \ / pk

I-autosampler vials


Ubungakanani: 25X60mm, 25x95mm
I-25mm ft vials Vials

I-16mm ye-16mm ye-16 ye-COD eveliswe yi-Aijiren isetyenziselwa uhlalutyo lweekhompyuter. I-Aijiren ikholelwa ukuba ityhubhu ye-CoD ifuna izinto eziphezulu eziphezulu kunye netekhnoloji ephambili ukugqiba imveliso, ke i-Aijiren inomdla kakhulu kwimveliso yetyhubhu yovavanyo lweCOD. I-Aijiren ibiyigqala kwicandelo le-chromatography enokuthathwa iminyaka engama-20 yamava emveliso. Usagcina injongo yakhe yantlandlolo kwaye ubeka ukuphuculwa komgangatho wemveliso kwindawo yokuqala.

I-COD yovavanyo lwe-COD yenye yeemveliso eziphambili ze-aiiren. Ingazigqibezela iimvavanyo ezibalulekileyo ezibalulekileyo, ezinjengokugaya i-Deepemilt Livation, uvavanyo lwe-OXYGENT, uvavanyo lwe-OXYGENT, njl. I-Aijiren iye yaba ngumenzi owaziwayo we-chromatographys enokuthethwa emazantsi e-China ngokulunga komgangatho olungileyo wetyhubhu yovavanyo lweCOD.

Iityhubhu zovavanyo zeCOD eziveliswa yi-aijiren zihlala zisetyenziselwa iimvavanyo zovavanyo. Olu hlobo lovavanyo luneemfuno eziphezulu zeeTubs zovavanyo ze-COD kwaye zinoluhlu olubanzi lwezicelo. Amayeza, ipetroleum, imichiza, umgangatho wamanzi, njl. Njl. Uvavanyo. Iityhubhu zovavanyo ze-Aiiren ze-Aijiren zinokuhlangabezana neemfuno zezinto ezinokuthengiswa kovavanyo lokugaya.

Iityhubhu zovavanyo zeCOD eziveliswa nge-aijiren zihlala zisetyenziselwa imfuno yokufunwa kweoksijini. Iglasi isetyenziswe kwiiTubs zovavanyo lwe-CoD eziveliswa yi-Aijiren inamaqondo obushushu obushushu, ukuxhathisa ubuchule, kwaye kungazikhusela iisampulu ngaphandle kokuchaphazela iziphumo zovavanyo. Izinto ezingafunekiyo ze-Aijiren zikumgangatho ophezulu kunye nolwalamano oluninzi, oluhle ngexabiso lemveliso, ngumthengisi owona mgangatho uphambili we-chromatographic enokuthengiswa.

I-tube ye-CoD ebonelelwe yi-Aijiren isebenzisa iglasi ephezulu, eyi-Intert engaphezulu kwaye ayizukusabela ngeerejista. Ngovavanyo lwe-tube ye-Aijiren ye-Aijiren, ixesha elifunekayo lokufumana inkqubo yokulinganisa lifutshane kakhulu, ngakumbi lohlalutyo olusezantsi kunye nokunciphisa umthwalo.

Kufanelekile ukuba uqaphele ukuba ukuba i-tubetes esetyenzisiweyo inee-tubests ezisetyenzisiweyo ze-sulfuric acid kunye nezinye iikhemikhali, iiRegents kufuneka ziphathwe ngononophelo. Izinto ezenziwe ngemibhobho kufuneka zichithwe ngokungqinelana neemfuno zabasemagunyeni. Ezi tyhubhu zinokusetyenziswa kuphela kwaye azinakuphinda zisetyenziswe.

Ngovavanyo lwe-tube ye-Aijiren Cod, umsebenzisi ngamnye unokwenza lula ukufunyanwa kwamanzi kwaye achanekileyo. Ixesha elifunekayo lokufumana inkqubo yokulinganisa lifutshane kakhulu, ngakumbi kuhlalutyo olusezantsi kunye nochungezo, ngelixa kuncitshiswa komthwalo womsebenzi.

I-COD yovavanyo lwe-CoD eveliswe nge-aijiren inamandla e-10ml, 12ml, kunye ne-15ml. I-caliber i-16mm. Ihlala isetyenziselwa uvavanyo lomgangatho wamanzi kwaye liqulethe ii-regegegents yolwelo. Isetyenziswe ikakhulu kwi-petroleum ishishini kunye nohlalutyo lweekhemikhali.

I-PP Cap yenziwa kwisiqwengana esinye se-InErt, i-polythylene enganyangekiyo. Izilayidi ze-Starburst zivumela ukungena lula kwenaliti. Ukuphuhliswa kwezicelo zobuntununtunu obungaphezulu, ngakumbi kwimarike ye-LCMs, ukucoceka kwale cap yokukhutshelwa kuphele kuluhlu lwePitogram. Le proothde i-Pealyethylene ayinayo imiba yokungcolisa i-ptfe \ / isiliki sePTA ibonisa imigangatho ephantsi yokufunyanwa, ngelixa ikwatywina kakhulu.

Ukuphinda ufumane ii-CAPS kunye ne-vials Vula ukuba kungenzeka ukuba ungcoliseko, ukusuka kwi-Solvent (i-FILVent (i-Listia okanye i-vapor) inxibelelana ngezinto zeSepta kunye nemozulu. Oku kunokuba nefuthe elikhulu kwiziphumo zakho zohlalutyo, oonobangela luphawu lwesampulu, ukuphendula kwamachiza, okanye ukuvela. Zombini iimpazamo zenqanaba kunye nobungakanani zinokubangela, zifuna ixesha lokutya, ukubiza kakhulu, nokugungqa iingxaki kunye nokusebenza kwakhona.

Kolu vavanyo i-regent engenanto isetyenziswe endaweni yamanzi aqhelekileyo angenayo kwifotoment yemifanekiso esebenzayo. I-regent engenanto ilungiselelwe ukongeza i-deeon okanye amanzi awoyikekayo kwityhubhu ye-regent kwaye emva koko bambe ityhubhu ngendlela efanayo nakwisampulu yamanzi.
Akukho mfuneko yokuba ulungiselele i-regent engenanto ingenanto ngexesha uvavanyo lwenziwa uvavanyo. Ityhubhu ye-Regent engenanto inokulungiswa qho ngeveki kwaye isetyenziswe ngokuphindaphindiweyo nazo zonke iisampulu ezilungiselelwe kwi-batch efanayo ye-tub. I-regent engenanto kufuneka igcinwe ebumnyameni phakathi kokusetyenziswa.

Ibango leoksijini yeoksijini luvavanyo olubalulekileyo lokuvavanya umgangatho wamanzi amdaka kunye namanzi anqabileyo ngaphambi kokukhutshwa. Uvavanyo lwe-OXYGN WOKUGQIBELA (CoD) vavanya imfuneko efunekayo kwimfuno ye-therighgen ye-Ekrekran kwaye isetyenziselwa ukubeka esweni nokulawulwa kokusebenza kunye nokuvavanya ukusebenza kwezityalo zonyango. Impembelelo yamanzi amdaka okanye amanzi akhutshiweyo amanzi anokufumana amanzi afumanayo axelwe kwangaphambili yimfuno yayo yeoksijini. Kungenxa yokuba ukususwa kweoksijini evela kumanzi endalo kunciphisa amandla ayo okuxhasa ubomi basemanzini. Uvavanyo lwe-COD ke lusenziwa njengenkqubo kwiilebhu zezinto ezisetyenziswayo zamanzi kunye neenkampani zemveliso.

Ngovavanyo lwe-tube ye-Aijiren Cod, umsebenzisi ngamnye unokwenza lula ukufunyanwa kwamanzi kwaye achanekileyo.
Ixesha elifunekayo lokufumana inkqubo yomlinganiso lifutshane kakhulu, ngakumbi kuhlalutyo olusezantsi nemilinganiselo yochungechunge, ngelixa kuncitshiswa komsebenzi.
Ityhubhu yovavanyo yeCOD iqulethe idosi echanekileyo yokuphinda isebenze. Ke ngoko, uluhlu lwe-inventri yekhemikhali kakhulu luthintelwe kwaye ukhuseleko lomsebenzi luphuculwe.

Uvavanyo lweemfuno zeoksijini (i-COD) lusetyenziswa ngokubanzi njengomlinganiso we-oxganic ngokumisela ubungakanani obufunekayo kwi-oxygen ye-oxygen kubandakanya iarhente ye-organing, kwi-arhente yamanzi usebenzisa iarhente ethile ye-oxidif, iqondo lobushushu kunye nokuncitshiswa kwexesha. Ukuvavanywa kwe-COD yisalathiso esingcono se-organic sokungcoliseka kwe-organic kumanzi amdaka omzi-mveliso aqukethe i-cyenasides kunye nentsimbi enzima. Uvavanyo lwe-COD lubonelela ngempendulo ekhawulezileyo yokutshintsha kweemeko ngaphambi kokuphuhlisa iingxaki.

Iinkcukacha zovavanyo lwemfuno ye-temical yeoksisi

2mL of a water or watse water sample are added to a 16mm glass culture tube containing the digestion reagent and a catalyst. Ityhubhu ivalwe nge-polyproplene, i-ptfe ifakwe i-PAYP kwaye ishushu kwibhloko ye-BROGEST nge-150c iiyure ezi-2. I-chromium ye-orenji ye-hextavalent ye-chromium incitshisiwe kwi-chromium eluhlaza. Uluhlu lohlalutyo lwendlela ye-spectraphotometric yi-5-150ppm (ilinganiswe nge-420nm).

I-COD esetyenzisiweyo ye-COD iqukethe i-sulfuric acid kunye nezinye iichemicals, ke iiRegents kufuneka ziphathwe ngononophelo. Iziqulatho zombhobho kufuneka zichithwe ngokungqinelana neemfuno zabasemagunyeni.
Ezi tube zovavanyo ziqinisekisiwe. Ezi tyhubhu zinokusetyenziswa kube kanye, ngenxa yoko abanakusetyenziswa.

Ukusebenzisa iheeter yedijithali yovavanyo lwe-COD, setha ubushushu kumboniso wedijithali ukuya kwi-150 ° C. Akukho akhawunti kufuneka i-heater ibekwe kwiqondo lobushushu eliphezulu kunelo elichazwe njengoko oku kunokubangela ingozi kulwakhiwo loxinzelelo kwi-CoD.

Ilungele imibala yemibala kunye neekhitha zovavanyo kwintengiso
Kukwalungele izixhobo kunye neekhilomitha zovavanyo
I-Vials evulekileyo evulekileyo evulekileyo ishenxise umngcipheko wokungcoliseka komnqamlezo
Yandisa ubomi beshelfu ukuya kwiminyaka emihlanu
Isetyenziselwe uvavanyo lwamanzi amdaka kaMasipala; Amanzi amdaka omzi-mveliso kunye novavanyo lolawulo lwenkqubo; Uvavanyo lwamanzi okusingqongileyo

Vula ityhubhu yovavanyo lwe-COD, yibambe kwi-engile kwaye uphinde wongeza kancinci
I-2.0 ml yesisombululo sesampulu yesampulu evela kwi-tube yokuphendula ngaphandle kokuxuba ukuze imilebe mibini eyahlukileyo
Isicelo
Isikrelemnqa ngokukhuselekileyo kwityhubhu yovavanyo, ukubamba ityhubhu yi-cap, bebeka ityhubhu kwibhotile yokhuseleko kwaye inyikima
(Isilumkiso, ityhubhu yovavanyo ibashushu). Beka ityhubhu kwibhloko yokufudumeza. Qala inkqubo yokufudumeza.
Emva kwe-2 h Susa ityhubhu yovavanyo kwibhloko yokufudumeza, vumela ukuba uphole kubushushu begumbi kwaye shala ngobunono
Ibhotile ye-Regant
Ukucoca ngaphandle kwetyhubhu yovavanyo kunye nenqanaba.
Lungisa ifoto kwi-zero ngokusebenzisa ixabiso elingenanto "null"

Ibango leoksijini yeoksijini luvavanyo olubalulekileyo lokuvavanya umgangatho wamanzi amdaka kunye namanzi anqabileyo ngaphambi kokukhutshwa. Uvavanyo lwe-OXYGN WOKUGQIBELA (CoD) vavanya imfuneko efunekayo kwimfuno ye-therighgen ye-Ekrekran kwaye isetyenziselwa ukubeka esweni nokulawulwa kokusebenza kunye nokuvavanya ukusebenza kwezityalo zonyango. Impembelelo yamanzi amdaka okanye amanzi akhutshiweyo amanzi anokufumana amanzi afumanayo axelwe kwangaphambili yimfuno yayo yeoksijini. Kungenxa yokuba ukususwa kweoksijini evela kumanzi endalo kunciphisa amandla ayo okuxhasa ubomi basemanzini. Uvavanyo lwe-COD ke lusenziwa njengenkqubo kwiilebhu zezinto ezisetyenziswayo zamanzi kunye neenkampani zemveliso.

Ngovavanyo lwe-tube ye-Aijiren Cod, umsebenzisi ngamnye unokwenza lula ukufunyanwa kwamanzi kwaye achanekileyo.
Ixesha elifunekayo lokufumana inkqubo yomlinganiso lifutshane kakhulu, ngakumbi kuhlalutyo olusezantsi nemilinganiselo yochungechunge, ngelixa kuncitshiswa komsebenzi.
Ityhubhu yovavanyo yeCOD iqulethe idosi echanekileyo yokuphinda isebenze. Ke ngoko, uluhlu lwe-inventri yekhemikhali kakhulu luthintelwe kwaye ukhuseleko lomsebenzi luphuculwe.

Uvavanyo lweemfuno zeoksijini (i-COD) lusetyenziswa ngokubanzi njengomlinganiso we-oxganic ngokumisela ubungakanani obufunekayo kwi-oxygen ye-oxygen kubandakanya iarhente ye-organing, kwi-arhente yamanzi usebenzisa iarhente ethile ye-oxidif, iqondo lobushushu kunye nokuncitshiswa kwexesha. Ukuvavanywa kwe-COD yisalathiso esingcono se-organic sokungcoliseka kwe-organic kumanzi amdaka omzi-mveliso aqukethe i-cyenasides kunye nentsimbi enzima. Uvavanyo lwe-COD lubonelela ngempendulo ekhawulezileyo yokutshintsha kweemeko ngaphambi kokuphuhlisa iingxaki. I-lovibond's cods i-cods ihambelana nayo zombini imibala ye-lovibond kunye ne-hach ®.

Uvavanyo lwe-Tube lohlalutyo lwe-thongtric uqiniseka ngokuphatha ngokulula kwaye ke lukhetho lokuqala lwendlela, elebhu kunye nohlalutyo lwenkqubo. Ubuninzi bokuchaneka kunye nokuchaneka kunikezelwa ngenxa yeziphumo zomlinganiso ngenxa yeeregents zangaphambili kwi-16mm Cupettes kunye ne-regeents eyongezelelweyo.

Ukuvavanywa kwamanzi kwikhabhoni ye-orbon ye-orbon (i-TOC) ayisasebenzi ishishini lezendalo. Ngeendlela ze-USP zakutshanje, i-TOC ngoku iyinkxalabo ngayo nayiphi na ishishini usebenzisa amanzi acocekileyo kunye namanzi ukuze inaliti. I-Aijiren yenqanaba le-Aijuls icocwe ngokukodwa kwaye ipakishwe ukunciphisa i-TOC ukuya kumanqanaba asezantsi anokwenzeka, aqinisekise ngemvelaphi ephantsi kuvavanyo lwakho.

I-TOC kukubhijela i-therbon ye-organic iyonke. Indlela ye-TOC ngqo evela kwi-Aijiren ibonelela ngeendlela ezinokuthenjwa kwaye ezisebenzayo zamaziko onyango amanzi ukuze akwazi ukwenza rhoqo ikhabhoni ye-organic ukwenza iinkqubo ezifanelekileyo. Endaweni yokuthenga i-TOC ye-TOC ebiza kakhulu, i-TOC ye-TOC okanye ukulungiswa kwe-TOC kwilabhoratri yemvume, le ndlela inokubonelela ngeziphumo ze-TOC-ngokuchanekileyo nangokungaxelekanga kwindawo yakho, kwaye ngaphandle kwenkunkuma yakho.

I-Aijiren ibandakanyeka kwimveliso yetyhubhu yovavanyo lwe-COD kunye ne-caps ngaphezulu kweminyaka elishumi, sinolwazi olupheleleyo kunye neenkqubo eziqhelekileyo zokubonisa ityhubhu ye-COD eveliswe yi-aijiren ngexabiso elifanelekileyo.

I-Aijiren isebenzisa izixhobo ezikumgangatho ophezulu ukwenza ityhubhu yovavanyo lwe-16mm yohlalutyo lwamanzi. Ukoneliseka kwabathengi kunye nokudunyiswa kwenze i-Aijiren yenye yezona zinto zininzi zelebhoratri ezinokuthengiswa kwelebhu emazantsi eTshayina. Okokuqala, i-Aijiren izakunamathela injongo yoqobo ukuqinisekisa ukuba umgangatho we-16mm yovavanyo lohlalutyo lwamanzi.