Ukugcina Ukunciphisa: Umlolongwane Wesikwekwe Esikhathini Sokuhlola

Ukufunda Ukunciphisa Kwe-Pipette Ngenkinga Yayo

Ukubonisa nge-Pipette Calibration ngixaki?

Ukugcina kwePipette Ukugcina kwepipette uyisinga lokuhlola nokubhala ukuphakamiswa kwepipette ukuze uhlelwe amandla esibonakaleyo nokuhlola ngokuboniso ngesiphumo sonyaka lapho kulandelwa iliqu. Leli nqanawe kuhluke kakhulu, ngoba ubungako bokuthi imisebenzi yezililo zihlabeleka ngezinto ezinikezayo njengomvovo, umoya omphondo noma izinto ezipheleleyo ezazikhathalisele uphakamiso. Ngokushesha, usungulo wesicwangciso sokuphakama kumiselwe ukuba kuhlanganise ukukhuluma kweminye imininingwane yokuthi iindlebe zezililo zizohlulekelayo kusithole isenzo sesincwadi esingahambayo. Ukugcina, ukusetyenziswa kwezesi zokuhlola nokugcina zihlukanisa amandla apha kunye nezinye izimpondo ezidingekayo lokuhlola ngokuboniso nokuhlola.

Yingaba Ukubonisa Ngokwengezi Kuningi Libungaza Ukuphucumana Kwesilabulo

Ukugcina ngokuthi kakhulu yisezantsi lokuhlola amagama, lokuhlola amagama angaphandle kokufuneka iimfanelo zokuhlola zikhuphe iziphumo somsebenzi esezantsi. Kwenziwe ukubonisa ukuthi imigomo engakhothekayo yokusebenza amaphethelo yakhiqiza ukungafanele, okuningi akuyiziphumo ezifanelekayo, aziphumelelwa ngezantsi lomgciwano. Ngokuvamile, kukhishwe ukuthi ngemva kokucacile uphawu eliphuma ezesantsi kulandelayo kuhluke kwiimbuzo yokusebenza amaphethelo. Phakathi, le nto kubonisa uqukumbulelo lokusebenzela ngokulandelana nokuhlola. Ngakho ke, ukuhlola amaphethelo akhiqiza akukholelwa ngemvume eminingi, ukubonisa ukuthi yintoni okufunekayo ukuba awusetshenziswa! Le ndlela zihlola ukuthi zisuka ukusukela isibonelo kunye nehluko kakhulu ngokuthi kunesikweletu kanye nokusenzenjalo kwisebene sesayensi.

Amathupha Akhethwe Ukuze Usenze Labulatho

I-Pipet Yesichannel Esidingi vs. I-Pipet Yesichannel Eziningi

Izinyathelo eziningi zokuthengisa amagumbi angu-1 kune laba, ngakho ke bafundiswa nezinhlelo zokuthenga amagumbi ahlukileyo. Zingabheka ukuba abafundiswa banezinhlelo zokuthenga amagumbi ahlukileyo ngokupheleleyo, futhi ngokubhekisisa kuninzi okunqumeke kakhulu ukuthi abafundiswa bazange babone amagumbi amancane ngendlela yokugcina ngenhlonipho. Izinyathelo ezimilingi lokuthengisa amagumbi, ngaphandle kwesinye, zisebenzela ukuthi uzogcina amagumbi emalingini wokuqala ngalokhu umsebenzi wakho uyangenisa ngokupheleleyo, ngokwesikhathi sokuthenga amagumbi ephakeme. Ukusetyenziswa kwezi zinto zakhiwa izinhlelo zokuthenga amagumbi ezimilingi ngokushesha kakhulu, njengokuthi ukuthenga amasampula amaningi ngokuhlukekile kungaba kahle ukuthi uzogcina amasampula amaningi ngokuhlukekile ngemva kokuthi uzogcina amasampula amaningi ngokuhlukekile. Ukusetha kwezinyathelo ezingu-1 nezingumlingi lungenza ukuthi uzoshintsha ngokusebenzela yezitshalo nokuthi ubone amasampula amaningi angazotshabalalwa kulesihlabathi - izinyathelo ezingu-1 zingaqinisekisa ukuthenga amagumbi amancane nokuthenga amagumbi amaningi, ngaphandle kulokho izisistimu ezimilingi zisebenzela ukuthenga amagumbi amaningi.

Ukukhetha Ukuphetha Olunomvume kakhulu Lwesayithi Sakho

Ukukhetha ipipeti elungileyo uzozibona ngokuthi kudinga imininingwane ezinye, umthombo wamaliquide, kunye nokuba umsebenzisi ungene ukubala ngenxa yesisekelo sokuqasha. Kuna ipipeti ezidinga upumo olushesha okuthi zihlabeleke, isenjalo, kumhlaba wezilabathali eziphumayo amaliquide amahle esikhulu. Iindlela zakusebenza kwezipipeti azikakhululekile ngakwesifundzeko somncedisi: Ukusetyenziswa kwezipipeti ezimanandi neziyimfene zikhangeleka njengoba kuzodinga ukufinyelela kakhulu komphendulo wesicelo, ngaphandle kokuthi lokunye luhlaza lokugcina lokunciphisa; [42]. Ngokwesigodlo sokusebenza, abasebenzisi bahlala ngokupheleleyo, futhi ngakho ke bakwazi ukubuya emanzini lokuntambo lezilungu zomkhuhle. Ngakho ke, ngokubanjwa kwezipipeti ngokwesicelo sokusebenza kunye nokuhlola kwezindawo ezidingayo, izilabathali zingabizwa ukuba zisetyenziswa ngokubanzi kunye nokuphinde ukudibanisa nokuphinde ukususa.

Amathuluzi Amahluhlu kunye noMisebise Ezincane Zokuthatha Isilondolozi

Izinhlobo Zokuthatha Izilondolozi Zokuphetha Ezidingekayo

Kunezinye izinto ezidinga ukuba zikhuliswe ngendlela yokuhlola ngqo kwezimpahla. Ngxatu, i-balance analytical zingakho ngeentsha yezilungu lokuhlola amagumbi, ngoba kudinga ukuhlola ngokukhulu emikrogramu. Ngemva kwalokho, i-weights ezihlola ezivunyelwe kumthetho we-ASTM class 1 okanye E2 okanye amanani aso sekubalwa ukusetshenziswa ukuvuma ukulungiselela komphendiso. Ngaphambi kokwesibini, izicatshulwa ezidingiswayo zisetshenziswa ukuvuma ukuba izimpahla zikhuluse ngamandla okudingekayo esetyenzisiweni. Lezi zinto zidinga ukuba zikhululeke ukusombulula nokuhlola ngokukhulu kwezimpahla kuhluke testing. Izicala ezizikhona ngenkathi yamatimela njenge-Mettler Toledo kunye ne-Sartorius zikhona khona ngokushesha, ngoba zinamandla omphendiso wobalance kunye nokukhulu ukusombulula.

Ukubuyisela Indawo Yomoya Wokuhlola Ukusonywa Kakhulu

Kuhlu lokuhlola amapipethi kudingeka ukusebenzisa uphawu lomculo. Umthombo omncane, ngokubheka ISO 8655* izicatshululo, kunye nesibhedlela esijwayelekileyo sihamba ngaphandle komoya futhi kuhlu lokuhlola umoya wemvume. Ukusuka kwamandla engcono kuhlu lokuhlola ukuphatha amapipethi. Amanani akwazi ukwenza imiphumela yezinyoni, futhi ukususa iimfuyo zingakwenza ukuba amapipethi azikhathale. Amaphathi wehlabe angadinga ukusetshenziswa imibhalo yokugcina ukungabiko amandla engezi labalenti. Izinsuzo ezidingeki zidinga ukuba labalenti libe sikhulu esikhathaleyo. Iziphiwo zakho zihlu lokukhetha ukuba amapipethi azikhathale nokuthi zikhona ndlela ephakeme.

Umnotho Womphathiso WePipette Ngamavubi

Ukugcina Indawo Yomsebenzi Ngenqanawe

Umlimi wakho usetshelezi ngokubanzi lokhu ukuba ucalibrate amapipeti akho ngokucacile. Qala ngokuqinisekisa isiphahi esiccalibrateyini, ukusuka ukuthi zikhathale izinto ezazihlupheka, okungamukelwa ukuthi azibonise calibratini. Kufuneka kuhlonishwe ukusetshenziswa kwezilishi zokugcina elizama ukusetshenziswa kwezindlela ezidingekayo, kanye nokusetshenziswa komphendulo wompipethi oyingxenye yokusho ukuthi uzame ukuyicalibrate. Ukuncedisiwa kukuhlola, ngoba kulula ukuba zonke iintsimbi zingaphandle kokuthi zikhona phambi komhlaba ukusebenza ukuthi uzame ukukhetha imesithi elungileyo. Isiphahi esiqinisekiswe singasiza isikhathi futhi sikuphela ukususa ukupheli kwezinhlobo zicalibration.

Ukusebenzisa Imibala Yomdaka

Ukukhishwa kwezinye zindlu zinikeza umthetho wokubhediswa olunye ukuze lihlale inani lemfutha engalayini. Hlola ukuthi lokhu ngokufundekela ngenqanawe yindlela yokuhlala, futhi ufake amasimu amabili emfuleni esihlangene nokulandelana ngekhathalizwe ekhatheni lomphendulo omncane okanyeleka inani. Ukuthi uzoba ukuphepha inani lemfutha elikhishwe ngokwesayizi sengxenyeni, kusenzenisa ukuba ufunele ukubone ukuthi inani yesayizi siyeyiphi ngokuthi isayizi (ngokufanelekayo, ngesandla sesayizi, okungakho iphakathi lokho okudingeka ukuthi bheke imibuzo). Ngokushesha, izimpondo ezidingekayo zesayizi zikahlela ukuthi zithole inani lokudingeka futhi zingene ukuthi zisombulele ukubhediswa komthetho. Lolu hlobo lokugcwalisa oluncane kunqumelela ukukhishwa kwemfanelo weziqhaza ezininzi noma iindlela zokusebenza kwe-pipette.

Ukubala nokuhlola Amandla

Kuhlu – ukusuka kwezimali ngaphandle kwebulele lokugcina Luhluzi – ukungakwazi ukubuyisela kwezimali ezifanekiso kusenzo esebenza ngokubonako. Amapharamitha amaningi aqinisekisa ukukhetha imibophelelo yokuphephandaba yezilabentla. Zihlabeleka ngempumelelo yokuba zikhona phakathi komoya wokuqala okufanele ukukhathalela kuhlu kunye nokuhluzi nekhombiselo yeMean Absolute Error yokukhathalwa kuhlu kunye nekhombiselo yeCoefficient of Variation yokukhathalwa uhluzi. Izimali ezinhle zizoba ukuthatha umthondozeli wemibophelelo yokuphephandaba yezilabentla ngokubuyekeza iimpendulo ezinikelweyo ngezinto ezingasetyenziswa njengesicelo esiqadiweyo labentla olungazange liphumeleyo imibophelelo. Iziphumo zingabonga ukuguqukiza nokuhlola kwesiphumo sasendaweni sokushesha ngoba zibekwe ngokulula.

Ukwenyusha Izinhlangano Eziningi

Ukhiqiza imisi, kungaba kufanele ukwenze izilungiselelo zokugcina ukubaluleka kokuthi ipipethi yicalibreye. Izilungiselelo ezikhoyo zinikezela ukuthi ziphinde zihlangele amasayensi akalibreyo nokuthi ziphinde zifinyele ifomula yokuhlukwe kwezilo olunye. Bhala wonke amaxesha okulungiselelwa nangona ukuba ungene ngemuva kwicalibreyo, ngoba i-dokumenthesi yicalibreyo yisithombe sokubaluleka. Ukugcina ucalibreyo ngemuva kokuthi wahlalele kuhlukele umthetho wemisebenzi edluleyo. Ukushicilela ngemuva kokuthi wahlalele kuhlukele umthetho wemisebenzi edluleyo kuhlukele umthetho wemisebenzi edluleyo.

Ukulondoloza Ukuphumula: Ukulalela Izinkinga Ezimbili

Ukubophelela nokuthola Ukuphuma Kwicalibration

Ukuphazamiswa okulandelayo kusetshenziswa ukungabonakali kwezimali ezinamandla zokukhishwa ngalokhu olungaphambili lokusebenza nokuhlukanisiwe kwezindawo. Ukuphazamiswa okulandelayo ukuhlukanisela ukuthi kufanele ukubonele umnotho wokuqala lomphendulo ngezindlela ezikhona nokuthi uzame ukusuka kakhulu kumncedisi okuthile. Izindlela ezithunyelwe ukwesusa ukuphazamiswa kukuhlukele ukubuyiselwa phakathi kweminyaka ngokusebenzisa amanani apha aqinisekileyo, nokuhlukanisa izindawo eziphakeme zokusetyenziswa. Ukuphazamiswa ngokugcino kuhlukele ukuthi akuziphazamiswe ngaphandle kokuthi akusifiso sisebenzelo sokuteta nokubhedlela.

Amapheramusi Apho Amanje Ngokulandelayo Kuhlonela Epipethi

Ukugcina ukuhlawulwa kwe-pipette ngalokusha kulandela izinhlelo zokusetyenziswa ezinazisiza ukusukelwa kwake. Izinhlelo ezinazisiza kulandela amaxesha okuthile yokulawa ukusuka ukusebenzela umsebenzi wokuhluhla ukusuka ukubonisa isithuthi, ukugcina ngokuphi ndawonye lokusebenza, kunye nokusetshentliselele kwe-pipette tips ehlanganisiwe. Abasebenzisi bayahlonipha ukubunyeneyo kakhulu kumthetho we-pipetting, kunye nokubhekisisa iwehlakalo eminimini ngenqanawe lapho selityelezelwe. Lolu cwaningo oluhle luhlala phambi kokuthi:

• Amagcinelo :
  • Bheka phakathi kanye nokugcina i-pipette ngokujikeleza.
  • Hlala kwise-milenvu engasihlobo somfula.
  • Sebenzisa amathixo angahlala kwise-manufacturer.
• Amagcinane :
  • Ukusebenzisa amathuthi okhishiniwe noma ezidingekileyo kufuneka uzihlangele.
  • Usure pipetela ngokushayo emuva lokugcina lomhla ngamabili.
  • Phinda ukusetyenziswa kwiintemperethi ezikhulu.

Ngokufola kwezindlela ezibhekene nokuhlala, uhlobo olupheleleyo kunye nephandleni sokuqinisekisa le pipetela kungahlanganisiwe ngempumelelo kwisekhono esilabheni.