septa

I-2ml screw autosampler vial ibhekisela ohlotsheni oluthile lwebhodlela elisetshenziswa kulabhorethri ukugcinwa nokuhlaziywa kwamasampuli. Idizayinelwe ukuthi ihambisane nama-autosamplers, okungamathuluzi azenzakalelayo asetshenziselwa ukuphatha isampula kanye nomjovo kumathuluzi okuhlaziya afana nama-chromatographs egesi (GC) nama-chromatograph ewuketshezi (LC).
I-"2ml" ibhekisela kumthamo we-vial, okungamamililitha angu-2. Lo mthamo ukhombisa umthamo omkhulu wevial. Ibhodlela ngokuvamile linengilazi ecacile noma kwesinye isikhathi ukwakhiwa kwengilazi ye-amber, okuvumela ukubonakala kokuqukethwe kwesampula. Ibhodlela liyi-cylindrical linentambo yesikulufu endaweni engaphandle yentamo.

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.

Isikulufu sensimbi, eyaziwa nangokuthi ikepisi yensimbi eyisikulufu noma ukuvala kwensimbi, wuhlobo lokuvala oluvame ukusetshenziswa emaphaketheni. Iqukethe ikepisi lensimbi elinemicu yangaphakathi Ekulufela emicu yangaphandle yesiqukathi noma ibhodlela ukuze ivikele okukuyo. Ama-screw metal caps avame ukusetshenziswa ezimbonini ezifana nokudla nesiphuzo, izimonyo, ezemithi, nemikhiqizo yasendlini.
Ama-caps angahlanganiswa ngezinto ezihlukahlukene, njengepulasitiki noma i-foam, ukunikeza ukuvikeleka okwengeziwe nokuvimbela ukuvuza noma ukungcoliswa komkhiqizo ohlanganisiwe.

I-Silicone septa, eyaziwa nangokuthi i-silicone septum yerabha noma isitobha, iyingxenye yokuvala esetshenziswa kuzilungiselelo zaselabhorethri, ikakhulukazi ku-chromatography nezinhlelo zokusebenza zesampula zokulondoloza. Kuwucezu oluyindilinga olumise okwediski elenziwe ngerabha ye-silicone efakwa ngaphakathi kwekepisi ye-vial noma isitsha ukuze kwakhiwe uphawu oluvikelekile nolungavuzi.
I-Silicone septa ivamise ukusetshenziswa ngokuhambisana nezikulufu noma izigqoko zokuvala ukuze kuvalwe izitsha ezisetshenziswa ku-gas chromatography (GC) namanye amasu okuhlaziya. Ngokuvamile zibekwe phakathi kwekepisi nokuvuleka kwe-vial, futhi lapho ikepisi liqiniswa noma lishwabene, i-septa yenza umgoqo ovimbela ukuvuza noma ukungcoliswa kwesampula.

I-Rubber septa, eyaziwa nangokuthi izivimba zenjoloba noma ukuvalwa, ivamise ukusetshenziswa ezindaweni zokucwaninga njengempahla yokuvala izitsha, amabhodlela, nezinye iziqukathi. I-septum (ubuningi: i-septa) iwucezu oluncane lwerabha noma i-elastomeric eklanyelwe ukuhlinzeka ngophawu olungangeni moya noma oluqinile oluwuketshezi lapho lufakwa ekuvulekeni kwesiqukathi.
I-septa yerabha ngokuvamile yenziwa ngezinto ezihlukene ze-elastomeric, njengerabha yemvelo noma ama-polymer okwenziwa afana ne-silicone noma irabha ye-butyl.
Lezi zinto zikhethwa ngenxa yokuguquguquka kwazo, ukumelana namakhemikhali, kanye nekhono lokwenza uphawu oluqinile.

10ml 20ml Headspace GC izitsha ziwuhlobo lwesampula lwebhodlela elisetshenziswa ekuhlaziyeni i-gas chromatography (GC).
Zakhelwe ngokukhethekile ukuhlaziya izinhlanganisela eziguquguqukayo nezingashintshashintshashintshashintshayo ezikhona kusampula.
Ukuhlaziywa kwe-Headspace kuhilela ukukhishwa kwezinhlanganisela eziguquguqukayo kusuka kusampula okuqinile noma okuwuketshezi ukuya esigabeni segesi ukuze kujovelwe ethuluzini le-GC.
20mm amakepisi e-aluminium kanye ne-septa avame ukusetshenziswa ezinhlelweni ze-chromatography, okuhlanganisa i-gas chromatography (GC) kanye ne-high-performance liquid chromatography (HPLC). Asetshenziselwa ukuvala izitsha zesampula futhi aqinisekise ukuthi i-gas-tight noma i-liquid-tight seal.

I-Rubber septa, eyaziwa nangokuthi izivimba zenjoloba noma ukuvalwa, ijwayele ukusetshenziswa ezindaweni zaselabhorethri kanye nezimboni ezahlukahlukene ukuvala iziqukathi futhi inikeze umgoqo ngokumelene nemvelo yangaphandle.
Zenziwe ngezinhlobo ezahlukene zenjoloba, njenge-silicone noma i-butyl rubber, enikeza izakhiwo ezihlukene kanye nokumelana namakhemikhali.
Injongo eyinhloko ye-septa yerabha iwukwenza isivalo esingangeni moya ukuze kuvinjelwe ukungcoliswa noma ukuhwamuka kokuqukethwe ngaphakathi kwesiqukathi.
Zifakwa ekuvuleni kwebhodlela, iflaski, noma ezinye iziqukathi futhi zinikeze ukuvala okuphephile.
Ukunwebeka nokuguquguquka kwento yerabha kuvumela ukufakwa kalula nokususwa kwezinaliti noma amasirinji kuyilapho kugcinwa isivalo esiqinile lapho singasetshenziswa.

I-Pre-slit Crimp-top Cap ene-butyl\/PTFE silicone GC vial septa ivamise ukusetshenziswa ezinhlelweni ze-gas chromatography ukuze kuhlinzekwe uphawu oluthembekile nolungangeni lwesampula yezitsha.
Lawa ma-septa ngokuvamile akhiwa izendlalelo ezintathu: isisekelo serabha ye-butyl, isendlalelo esimaphakathi se-PTFE (polytetrafluoroethylene), kanye nongqimba olungaphezulu lwe-silicone.
Lapho uthenga i-septa, kubalulekile ukuqinisekisa ukuthi iyahambisana nezitsha zakho ezithile ze-GC namathuluzi.

2ml isampula yebhodlela s ifakwe ikepisi le-aluminium elisiliva elinosayizi we-ND11 (Ububanzi obuncane obungu-11mm) lelo cap lidizayinelwe ukuthi lilingane ibhodlela ngokuphephile futhi linikeze uphawu ukuze kuvinjelwe ukuvuza noma ukungcola.
Amakepisi e-aluminium ayisiliva aklanyelwe ukuhlinzeka ngokuvalwa okuphephile kwe-vial, ukuqinisekisa ukuthi isampula elingaphakathi lihlala livaliwe futhi livikelekile ekungcoleni noma ekuvuzeni.
Sekukonke, inhlanganisela yesampula yesampula engu-2ml namakepisi e-aluminium esiliva inikeza isisombululo esinokwethenjelwa nesifaneleka sokugcina nokugcina amasampula amancane oketshezi elabhorethri noma endaweni yezimboni.

I-Silicone\/PTFE (Polytetrafluoroethylene) septa, eyaziwa nangokuthi ama-silicone\/PTFE liner noma amakepisi, ivamise ukusetshenziswa kulabhorethri kanye namakhemikhali okuhlaziya ukuze kuvalwe izitsha zesampula noma iziqukathi. Lawa ma-septa ahlinzeka ngophawu oluvikelekile noluthembekile ukuvimbela ukuhwamuka kwesampula noma ukungcoliswa.I-Silicone\/PTFE septa isetshenziswa kakhulu ezinhlelweni ezifana ne-gas chromatography (GC), i-liquid chromatography (LC), ukuhlaziywa kwe-headspace, nokugcinwa kwesampula. Atholakala ngamasayizi ahlukene kanye nokucushwa ukuze alingane nezinhlobo ezithile zebhodlela noma iziqukathi, okuqinisekisa uphawu oluvikelekile noluthembekile lwezinqubo ezihlukahlukene zaselabhorethri.

I-septa yerabha engu-18mm ngokuvamile ibhekisela ohlotsheni lokuvala olusetshenziswa kuzilungiselelo zaselabhorethri. I-septa yerabha ivamise ukwenziwa ngezinto ezifana ne-silicone noma irabha yokwenziwa futhi iklanyelwe ukuvala iziqukathi ezifana nezitsha noma amabhodlela. Zivame ukusetshenziselwa izinhlelo zokusebenza lapho isampula idinga ukugcinwa noma ihlaziywe ngaphansi kwezimo ezilawulwayo.I-Rubber septa inikeza umgoqo osebenzayo we-TEMP ngokumelene nomoya kanye nomswakama, ukuvimbela ukungcola nokugcina ubuqotho be-teh besampula ye-teh. Avame ukusetshenziswa ezindaweni zokucwaninga ngezinhlelo zokusebenza ezifana ne-gas chromatography, i-liquid chromatography, isampula yokulondoloza, noma amanye amasu okuhlaziya.

2ml I-PTFE Emhlophe\/I-Silicone Septa Ebomvu ivamise ukusetshenziswa ezinhlelweni zaselabhorethri, okuhlanganisa i-chromatography, isampula yokulondoloza, nokuhlaziywa kwesampula. Lezi septa zinikeza umgoqo onokwethenjelwa futhi osebenzayo phakathi kwesampula nendawo.I-PTFE Emhlophe\/I-Silicone Septa Ebomvu ivamise ukusetshenziswa ezinhlelweni zaselabhorethri, okuhlanganisa i-chromatography, isampula yokugcina, nokuhlaziywa kwesampula. Lezi septa zinikeza umgoqo othembekile futhi osebenzayo phakathi kwesampula nendawo ezungezile.

I-Polypropylene\/PTFE ama-silicone ama-screw vial caps ane-septa avame ukusetshenziswa ku-high-performance liquid chromatography (HPLC) nezinye izindlela zokuhlaziya.Lawa makepisi ahlinzeka ngophawu oluvikelekile lwamabhodlela, avimbele ukuhwamuka kwesampula nokungcoliswa. Uhlelo lwe-HPLC, nokuhambisana kwamakhemikhali namasampula akho nezincibilikisi. Abakhiqizi nabahlinzeki abahloniphekile banikeza izinhlobonhlobo zezinketho ukuze zivumelane nosayizi webhodlela abahlukene kanye nezidingo zokuhlaziya.

Ukuvula ama-caps nge-septa kubhekisela enqubweni yokukhipha i-cap ku-vial efakwe i-septum. Lokhu ngokuvamile kwenziwa kuzilungiselelo zaselabhorethri lapho ufinyelela okuqukethwe kwe-vial ukuze kuhlaziywe noma ezinye izinjongo.Kubalulekile ukwenza lezi zinyathelo ngokucophelela nangokucophelela ukuze ugweme ukulimaza i-vial noma i-septum kanye nokugcina ubuqotho besampula ngaphakathi.

Izitsha ze-HPLC\/GC ezine-septa ziyizitsha zengilazi ezikhethekile ezisetshenziswa ku-high-performance liquid chromatography (HPLC) kanye nezinhlelo zokusebenza ze-gas chromatography (GC). Lezi zitsha zenzelwe ukubamba amasampula ukuze zihlaziywe futhi zifakwe i-septum yomjovo wesampula noma wokukhipha. Lezi zitsha ngokuvamile zenziwe ngengilazi ye-borosilicate yekhwalithi ephezulu futhi zifaka ikepisi eline-septum yomjovo oyisampula noma wokukhipha.

U-Aijiren ucindezela i-Silicone ne-PTFE ziyinhlanganisela esithombeni, futhi izisika zibe amashidi angunxande anosayizi ofanayo. Ngenxa yokuthi i-PTFE kulula ukuyigoqa kanye nokonakala, izinto ezingavuthiwe esithombeni zonke zigoqekile. Lindela ukuthi lingene endaweni yokomisa ukuze lome umswakama. Igcine ileveli. I-Aijiren isebenzisa i-laser engumshini ukusika i-Septa, futhi iqinisekisa ubuqotho kanye nemvelo yamakhemikhali ye-Septa.

I-Aijiren's 8mm Septa yenziwe ngezinto zokusetshenziswa ze-Silicone ne-PTFE. I-Aijiren isika i-Pre-slit ku-Septa ukuze kube lula kumakhasimende. Iphethini iyifonti nesiphambano. I-pre-slit septa emise okwesiphambano ihamba phambili. Ilungele inaliti yomjovo othomathikhi ukuthi ibhoboze. Uma ikhasimende lisebenzisa inaliti ebuthuntu, ungacabanga ukuthenga i-septa yohlobo oluphambene.

I-24mm Silicone\/PTFE Septa ifaniswe ne-screw neck cap engu-24mm, ifaneleka ku-24mm isikulufu sebhodlela yokugcina isampula. I-Aijiren inobuchwepheshe bokukhiqiza obukhethekile obungakwazi ukuhlanganisa i-PTFE ne-Silicone ngaphandle kokwengeza noma yiziphi izinto ezinamathelayo, ngakho-ke i-Septa ka-Aijiren ithambile futhi ayikhubazeki kalula.

Njengefekthri esebenza ngokukhethekile ekukhiqizeni izinto ezisetshenziswayo ze-chromatographic, i-Aijiren inamakhulu ezisebenzi zokukhiqiza, ikakhulukazi i-Septa. I-Aijiren inobuchwepheshe obukhethekile benhlanganisela ye-septa, ngakho-ke izidingo zabasebenzi kushabhu ye-septa ziphezulu kakhulu. Abasebenzi abasesithombeni basebenzisa imishini yokusika ye-Silicone kanye ne-PTFE eyinhlanganisela yempahla yokusika umsebenzi.

I-Silicone\/PTFE Septa ekhiqizwe i-Aijiren isebenzisa izinto ezingavuthiwe zekhwalithi ephezulu kanye nenqubo yokuhlanganisa ekhethekile. Le nqubo ayidingi noma yiziphi izinto zokunamathisela ukuze kuhlanganiswe i-Septa ne-Silicone ukuze kungafinyeleli ukuqhekeka, ukungawi, nokulingana okuphelele kwe-autosampler vial ne-antosampler.

Ukuhambisana noma ukumelana kwamakhemikhali kwe-20mm Grey Butyl Septa namasampuli nezincibilikizi kungabonwa umthengisi we-Aijiren. Ukuqina kwe-Butyl kwenza i-20mm Grey Butyl Septa ilungele imijovo eminingi noma isitoreji. I-20mm Grey Butyl Septa inogqinsi oluyi-3mm, enezici zokuvala ezinhle futhi yenza kube lula ukubhoboza inaliti ye-autosampler. Ayijiyile ngokwanele ukuthi ingathinta ukubhoboza. I-PTFE ukumelana kakhulu kwe-septum, futhi inqubo yokubopha i-Aijiren yenza i-Septa ingabi lula ukuwa.

Ijeli ye-Septa-silica inokuvaleka okunamandla okuphindaphindayo, futhi ingagcina ukusebenza kahle okuseduze ngemva kwemijovo eminingi; I-PTFE iyimpahla enezimo zamakhemikhali ezingcono njengamanje, futhi ingamelana nama-asidi aqinile nama-alkali. Izinto ezimbili Ngemva kokuhlanganiswa, ibhodlela lingasetshenziselwa izinjongo ezihlukahlukene zaselabhorethri ezifana nesampula esivaliwe, ukugcinwa kwamakhemikhali nokunye.

I-PTFE-fused septa ifaneleka ukunqoba ukucekelwa phansi, okwenzeka ngenxa yamazinga okushisa aphakeme isikhathi eside, avame ukubonwa ku-septa yerabha ye-silicone. Ukuwohloka kubangela ukukhukhuleka okuyisisekelo kanye neziqongo ezengeziwe. Ivamise ukumiswa ngobuso be-PTFE maqondana nokupakishwa kwekholomu.

I-butyl septa endaweni ye-PTFE ingasetshenziswa ebhodleleni lesampula le-headspace ukuhlola umsebenzi womjovo kanye nokusebenza kahle kokungena kwe-methyl bromide kukhabhoni ecushiwe. I-septum ingasetshenziselwa ukuvala ibhodlela ngesikhathi sokuqoqwa kwesampula yoketshezi ukuze kuhlaziywe i-benzene engashintshiwe kusetshenziswa indlela ye-HPLC.

I-Teflon nerabha ye-silicone noma i-silicone ye-ultra-pure isetshenziswa njengezinto zokusetshenziswa ukuze kuqinisekiswe ukuthi i-septa ayinabo ubuthi; ukuze kuqinisekiswe imisebenzi emihle kakhulu, ifaneleka ngokukhethekile i-gas chromatography, kanye nokuqinisekisa ukuthi i-septum ayiwi kuvial yesampula ngesikhathi sokujova.

Isitsha se-Aijiren sika-18mm Screw Top Headspace sitholakala ngo-10ml, 20ml, ingilazi ye-amber kanye nengilazi ecacile. Futhi izinga le-Headspace Vial yintambo ye-Screw, elungele ukuvala nokuvula ibhodlela le-headspace. Ngesikhathi esifanayo, i-Screw Top Cap ye-Aijiren's Headspace Vial inembobo ephakathi nendawo, elungele inaliti yomjovo ozenzakalelayo ukuthi ingene futhi iphume. Ugqinsi lwe-Septa kulula ukuyibhoboza futhi inophawu oluqinile.

Isampula ye-HPLC vial Septa ingenye yezingxenye ezibaluleke kakhulu ku-chromatography esebenzisekayo. I-Septa ye-HPLC inokumelana nezinga lokushisa eliphezulu nokumelana nokugqwala. Ikhwalithi nesevisi endaweni yokukhiqiza elawulwayo ithenjwa amakhasimende. Ama-Caps enziwe nge-polyproylene yekhwalithi ephezulu ukuze abekezelele ngokuqondile ukukhiqiza futhi afakwe endaweni elawulwayo yokukhiqiza, Umbala wekepisi #HPLCvial ungenziwa ngokwezifiso ngokuya ngezidingo zamakhasimende. I-septa ye-Aijiren isebenzisa kuphela izinto ezisezingeni eliphezulu kakhulu ukuze kuqinisekiswe ukusebenza okufanele futhi ingasikwa ngaphambili ukuze kube lula ukungena inaliti.