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Ukulungiswa kwesampulu kunye nokufakelwa: Ukuqinisekisa umgangatho kwi-chromatography

UCanzibe. 9, 2025

Izikhongozelo ezifanelekileyo Ukungaphumeleli apha kuphumela kwi-Peak Tak Tailiiliiling, ukuqhuba iziseko, okanye ibhloko yekholamu.

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1. Ungcoliseko kunye nokuphazamiseka kweMatrix

Ingxaki

  • Isiseko sokuhamba kunye nokunyuka kwengxolo kuyabonakala i-peasks ezincinci.

  • Iincopho ezingalindelekanga zivela kwi-levels.

  • Ukuzala kwakhona phakathi kwenaliti.

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Unobangela

  • I-Ressals kwiglasi yeglasi: Ayiphelelanga i-acid-hlamba amagqabi; Iplastiki yeplastiki inokubangela umdlali weplastiki.

  • Iiarhente zokucoca: trace oomaguli abasecaleni kwezinyibilikisi zihlala zivumelekile.

  • AMAXHISHI SOKUGQIBELA

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Isisombululo

  1. Ukucoca ngokungqongqo: I-acid inyathela isicoci esizinikeleyo sePlastikis.

  2. Ukufihla kwangaphambili: I-Centrifuge nge-3000rpm ye-10min okanye isebenzise i-5μPrest Prefilter ngaphambi kokugqibela kwe-0.22μmm.

  3. Indawo esisingqongileyo: Yenza i-prep kwi-hood ye-laminar ukunciphisa ungcoliseko lwe-Airborne.

I-2. Ukucoca ukugcwala kwiifilitha ezingahambelaniyo


Ingxaki

  • I-alesms yoxinzelelo lwe-autosampler kunye nokutshintshwa kwenaliti rhoqo.

  • Ukuncipha kwereyithi yokuqhwaba, iindawo ezingekho nzulu.

  • I-BlockPread Reffered kunye ne-Colom Divicge.

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Unobangela

  • I-membrane mismatch: nylon ivulwe kwiinyikima ze-organic; I-PVDF ikhwele ubushushu obuphakamileyo.

  • Ubungakanani obungalunganga be-Porere: 0.2μ0m filters umgibe I-0.45m Iifilitha zisenokuntywila nge-microcrystals.

Isisombululo

  1. I-membrane-solvent matrix: Sebenzisa i-HEDROphilic PESS \ / I-MCE ye-ACTEAUTE (PH4-8), i-hydrophobic ptfe \ / pvdf yezigaba zezinto eziphilayo; Khusela i-Seletbase ecetate kwii-acids eziqinileyo.

  2. Khetha ubungakanani be-pore ofanelekileyo: Sebenzisa i-0.45μm ye-proine ye-ropc, 0.2μm ye-Uhplc okanye i-trace; Ukunyanzelwa kweesampulu ze-viscofity ephezulu nge-5μm.

  3. Ukubeka iliso: Landela umkhondo ukunyuka; Faka endaweni yokuhluza xa usonyuswa ngasemva> 15%.

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I-3. Isinyibiliki-ye-membrane semichiza

Ingxaki

  • Isampulu yokutoda ibonakala inamafu okanye ithwale amasuntswana.

  • Ingxolo entsha yengxolo okanye i-Ghost Peaks iposti.

  • Ukuncitshiswa kohlalutyo.

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Unobangela

  • Ukudumba kwe-Solvent: I-thf ishukuma i-ptfe, iguqula ubungakanani be-pore kwaye ukuhamba.

  • I-Membrane Leacledads: I-NYLOL kwi-formaic acid ikhuphe i-oligomers efumana i-214nm.

Isisombululo

  1. Uvavanyo lokujonga: Icebo lokucoca i-Soill kwi-Solvent ye-24h nge-25 ° C; Vavanya ukudumba okanye ukutshintsha kobunzima.

  2. Uvavanyo lwePilot LC-MS: Thelekisa i-ion ye-ion ye-chromatograms ye-vs efihlakeleyo.

  3. Sebenzisa iifilitha eziphantsi: I-ultrasonic-ildided ptfe okanye i-pues ngaphandle kweencwadana.

Inkqubo esemgangathweni: Ukubek'isweni kweliso

Ukhuselo

Ukudibanisa i-SOPS yokucoca, ukuqulunqa, kunye nokukhetha i-memnene ukuthintela iimpazamo.

Ukubeka iliso

Rekhoda ireyithi yokuhamba, ukubuyela umva, kunye neziseko zesampulu yesampulu yokufumana i-drift.

Ukulungiswa

Gcina uhlalutyo lomthi olugwenxa kwingcambu yengcambu yokuchonga kunye nesenzo sokulungisa.

"Ukuchaneka kohlalutyo kuqala ngokuthintela isuntswana elincinci."

Umbuzo