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I-Propace Promatography yesampulu yesampulu

Kwi-chromatography yegesi (GC), ngakumbi kuhlalutyo lweentloko, ukhetho lweSepta lubalulekile ekuqinisekiseni iziphumo ezichanekileyo nezinokuthenjwa. I-Septa isebenze njengonxibelelwano phakathi kwe-vial kunye neSaMP ...
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Ukulungiselela kwesampulu efanelekileyo kubalulekile ekufumaneni iziphumo ezichanekileyo nezibuyisiweyo kwi-PARPECE SPREATOTOGY La manyathelo alandelayo achaza iingcinga ezisisiseko zokulungiselela iisampulu zohlalutyo lweentloko.

1. Khetha isampulu yasekunene vial

Ukukhetha isampulu ye-vial efanelekileyo kubalulekile ukuze kuphumelele iSampulu yeSampulu. Ubungakanani obuqhelekileyo bobufazi bubandakanya i-6ml, i-10ml, kunye ne-20ml, i-20ml vills yeyona isetyenziswa kakhulu. Izinto eziphambili ekufuneka ziqwalaselwe xa ukhetha i-vials ibandakanya:

Izixhobo: ii-vials zihlala zenziwe ngeglasi okanye ngeplastiki. I-vials yeglasi ilungele iisampulu eziguqukayo ngenxa ye-intertion yazo kunye nokubakho kwezantsi kokunikezelwa okungcolisekileyo.

Indlela yokutywina: i-vials inokutywina nge-crust okanye i-screw caps. I-crims vials ibonelela ngetywina le-airlight, ekubaluleke kakhulu ukugcina ingqibelelo yengxoxo.

Umgangatho we-Septm Jonga iSepta yenzelwe ngokukodwa izicelo zentloko, njengoko zinokwenzeka ukuba ziqengqele kwindawo entloko.

2. Isampulu yesampulu kunye ne-dilution

Umthamo wesampulu kwi-vial ibalulekile ekufezekiseni inkqubela phambili yentloko efanelekileyo. Ngokubanzi, ivolumu yesampulu kufuneka ijikeleze i-1 \ / 3 ukuya kwi-1 \ / 2 yomthamo opheleleyo we-vial ukubonelela ngesantya esiphezulu seSigaba seGalo.

I-dilution: Ukuba ukugxininiswa kwesampula kuphakame kakhulu, kunokubangela ukuba bahlukumeze ngokungxamisekileyo. Ukutyibilika isampulu kunye nesinyibilikisi esifanelekileyo kunokunceda ekufezekiseni ukugxininiswa okufunekayo kubahlalutyo abaguqukayo.

3. Ulawulo lobushushu

Iqondo lokushisa lidlala indima ebalulekileyo kwisampulu ye-5 njengoko ichaphazela ukungazibazwa kohlalutyo kunye nokwahlula kwabo kwinqanaba legesi.

Iqondo lobushushu: Iisampulu ze-vials kufuneka zifuduselwe kubushushu obulawulwayo ukukhuthaza ukukhutshwa kweendlela eziguqukayo kwindawo ephambili. Iqondo lobushushu elifanelekileyo lixhomekeke kuhlalutyi ethile ukuba zihlaziywe kwaye kufuneka zimiselwe ngexesha lokuphuhliswa kwendlela.

Ixesha lokulinganisa: vumela ixesha elaneleyo lesampulu yokufikelela kwi-equilibrium. Oku kunokwahluka ngokuxhomekeke kwi-matrix yesampulu kunye nokuzinza kwamachiza. Amaxesha okuqhelekileyo ahlukeneyo ukusuka kwimizuzu engama-30 ukuya kwiiyure ezininzi.

4. Nciphisa ungcoliseko

Ungcoliseko luchaphazela kakhulu ukuchaneka kwe-PAGAG i-Chromatography. Ukunciphisa umngcipheko wongcoliseko, yenza oku kulandelayo:

Sebenzisa i-Vials ecocekileyo kwangaphambili: Soloko usebenzisa i-vials ecocekileyo yokuthintela ukungeniswa kweempapashi ngexesha lokupakishwa okanye ukuphatha.

Iindlela ezingenanto: Iindlela zabasebenzi ezingenanto ukuze zichonge imithombo yongcoliseko. Oku kubandakanya ukuhlalutya isampulu engenanto kusetyenziswa iindlela zokulungiselela kunye neenkqubo zohlalutyo ukuqinisekisa ukuba akukho zincopho zingafunekiyo zivela kwiChromatom.

Iimeko ezilawulwayo zendalo: Yenza amalungiselelo esampulu kwindawo ecocekileyo yokunciphisa ukuvezwa kwe-upolornerner.

5. Khetha ubuchule basekunene

Njengoko bekutshiwo ngaphambili, isampulu yentloko inokuba yindawo ye-static okanye inamandla. Ukhetho lwendlela luxhomekeke kwisicelo esithile kunye nohlobo lwesampulu.

I-Static Stace: Le ndlela ilungele ukusetyenziswa kakhulu kwaye isetyenziswa ngokubanzi ukuhlalutya imibandela ye-witlatile kwiziselo kunye nezinyibilikisi. Ivumela abahlalutyi ukuba bahlulele ngokwendalo kwindawo enkulu ngaphandle kokuqaliswa kwegesi eyongezelelweyo.

I-Synamic eshukumayo: Obu buchule bufanele bube ngcono kwiisampulu ezifuna ukuphepha okuqhubekayo ekuthinteleni iziqu eziguqukayo. Ihlala isetyenziswa kwizicelo ezifana nokuvavanywa kokusingqongileyo kunye nohlalutyo lokutya apho iisampulu zinokuqulatha ukugxininisana kohlalutyo.

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