Ko ngā kaha o ngā pou he 1, 3, 6, me te 10 ml te rahi, me ētahi atu.
Ka whakaitihia e tā mātou tukanga hanga te rerekētanga, ā, ka whakapai ake i ngā tukanga whakaora me te horoi.
1.C18 Octadecyl kua taupokina ki te mutunga
2.C18 Te Oketatanga Kore-Mutunga
3.C8 Octyl
4.CN Cyanopropyl
5.PSA Amine Tuatahi-Tuarua
6.NH2 Aminopropyl
7.SAX Whakawhitinga Anion Kaha
8. Te Whakawhitinga Kationa Kaha o SCX
He taputapu nui ngā pou tango-wāhanga-totoka turanga hiraka (SPE) i roto i te mara o te matū tātari, e whakamahia ana mō te purenga me te tango i ngā pūhui ūnga mai i ngā tauira matatini. Kua hangaia ēnei pou ki te wāhanga tūmau e ahu mai ana i te hiraka, e tuku ana i te whiriwhiringa teitei me te whai huatanga i roto i te tukanga wehenga.
Kei te wātea ā mātou pou SPE turanga silica i roto i ngā momo kaha pou, tae atu ki te 1, 3, 6, me te 10 ml te rahi, hei whakatutuki i ngā hiahia tono rerekē. Ko te tukanga hanga e whakamahia ana mō ēnei pou he mea hanga tino tika hei whakaiti i te rerekētanga me te whakarei ake i ngā tukanga whakaora me te horoi, kia mau tonu ai te mahi pono me te pumau.
Kei te wātea te wāhanga tūmau o ā mātou pou SPE turanga silica i roto i te whānuitanga o ngā matū, ia pou i whakaritea mō ngā whakaritenga wehenga motuhake. Kei roto i ēnei ko te C18 endcapped octadecyl, te C18 unendcapped octadecyl, te C8 octyl, te CN cyanopropyl, te PSA primary-secondary amine, te NH2 aminopropyl, te SAX strong anion exchange, me te SCX strong cation exchange. Mā tēnei whānuitanga o ngā matū ka taea te tango me te purenga whai hua o te whānuitanga o ngā analytes, ka taea ai e ngā pou te whakamahi i ngā momo tātaritanga me te urutau ki ngā wero tātaritanga rerekē.
Hei tauira, he mea tino pai te wāhanga octadecyl kua kapihia ki te pito o te C18 mō te pupuri me te wehewehe i ngā pūhui kore-pōraru me ngā pūhui pōraru āhua-pōraru, ko te wāhanga CN cyanopropyl ia e tuku ana i te whiriwhiringa pai ake mō ngā pūhui pōraru. He pai te wāhanga amine tuatahi-tuarua PSA mō te tango i ngā pūhui waikawa, ā, he mea hanga motuhake ngā wāhanga SAX me SCX mō ngā tono whakawhiti katote.
Haunga te whānuitanga o te whiriwhiri, e mōhiotia ana ā mātou pou SPE turanga silica mō te kaha ki te uta tauira teitei, te kaha ki te whakaputa anō, me te iti o te herenga kore-motuhake, e whakarite ana i ngā hua tika me te pono. Ahakoa e whakamahia ana i roto i te rongoā, te taiao, te kai, te tātari taihara rānei, ka tukuna e ēnei pou he mahi pumau me te pakari, e tutuki ai ngā hiahia o ngā taiwhanga tātari hou.
Hei whakamutunga, he taputapu tino nui ngā pou SPE turanga silica mō te whakarite tauira i roto i te matū tātari, ā, ko ā mātou momo pou, me ō rātou matū rerekē me te mahi pono, kua hangaia hei whakatutuki i ngā hiahia kanorau o ngā kaipūtaiao tātari. Nā te kaha whiriwhiri, te whai huatanga, me te kaha, he mea nui te mahi a ēnei pou ki te tango angitu me te purenga o ngā matū ūnga mai i ngā matrices tauira matatini.
**Taitara: Te wetewete i te pūmanawa o ngā pou SPE e ahu mai ana i te silica hei whakapai ake i te whakarite tauira**
I roto i te ao o te matū tātari, kāore e taea te whakanui rawa i te hiranga o te whakarite tauira. Ko tētahi o ngā taputapu tino whai hua mō tēnei kaupapa ko te kātere tango wāhanga totoka (SPE) e ahu mai ana i te silica. He mea hanga hei whakahaere i te tukanga tango, e wātea ana ēnei kātere i roto i ngā momo kaha, tae atu ki te 1, 3, 6, me te 10 mL te rahi, hei whakauru i ngā momo rahinga me ngā momo tauira.
Kua āta hangaia ā mātou pou SPE e ahu mai ana i te silica kia iti ai te rerekētanga o te mahi. He mea nui tēnei mō ngā kairangahau me ngā kaitātari e whakawhirinaki ana ki ngā hua ōrite. Ehara i te mea ka whakanui ake ngā tukanga hanga e whakamahia ana e mātou i te whakahokinga mai o ngā tātaritanga ūnga anake, engari ka whakapai ake hoki i ngā tikanga horoi, kia māmā ake ai te whiwhi tauira parakore teitei.
I roto i ngā kōwhiringa maha e wātea ana, e toru ngā momo āhua tūmau o ā mātou pou: C18 Endcapped Octadecyl, C18 Unendcapped Octadecyl, me C8 Octyl. He pai ngā pou C18 Endcapped Octadecyl mō ngā pūhui polar me ngā pūhui kore-polar, e tuku ana i te pupuri me te whiriwhiri pai. He rite tonu ngā painga o ngā pou C18 Unendcapped Octadecyl engari he tino pai mō ngā tātaritanga kore-polar, e whakarite ana i te mahi tino pai puta noa i te whānuitanga o ngā tono. Mō te hunga e mahi ana me ngā pūhui iti ake te polar, ka tukuna e ngā pou C8 Octyl he huarahi taurite ki te whakatutuki i ngā wehenga whai hua me te pupuri tonu i ngā whakaoranga teitei.
Ahakoa kei te mahi koe i roto i ngā mahi rongoā, i ngā whakamātautau taiao, i te haumaru kai rānei, ka taea e ā mātou pou SPE e ahu mai ana i te silica te whakatutuki i ō hiahia tātari. Mā te whiriwhiri i te pou tika mō tō tono motuhake, ka taea e koe te whakapai ake i te whai huatanga o te tukanga whakarite tauira, ka hua ake he hua pono ake, he hua tāruarua hoki. Wheakohia te mana o ngā pou SPE e ahu mai ana i te silica i tēnei rā, ā, whakarei ake i ō pūkenga tātari!