N-Pentane, he tātai matū C ₅ H ₁₂ , te mema tuarima o te pāhare. Ko te N-pentane e rua nga inehanga: isopentane (kohuatanga 28 ° C) me te neopentane (kohuatanga 10 ° C), ko te kupu "pentane" te tikanga e pa ana ki te n-pentane, tona irahiko rarangi.
Te whakamahinga o te petane noa
1. Ka whakamahia hei whakarewa i te waahi koropuha iti, he kaihoko pahuka i roto i te ahumahi kirihou, ka whakamahia tahi me te 2-methylbutane hei wahie mo nga motuka me nga waka rererangi, mo te hanga tio horihori, he rongoa, mo te synthesizing pentanol, isopentane, me te rite.
2. Paerewa tātari hau chromatographic. Ka whakamahia hei whakamarumaru, whakarewa, ine wera tangihanga, mo te hanga tio horihori, pentanol, isopentane, me era atu.
3. Mo te whakarite o te hau paerewa, te hau whakatikatika me te whakamaarama molecular sieve desorbent.
4. Ka whakamahia hei whakarewa, hei otinga tohutoro hau chromatography me te rongoa rongoa. Ka whakamahia ano hoki i roto i te whakahiato waro me te hanga i nga inemahota cryogenic.
5. Ka whakamahia hei whakarewa ki te hanga tio horihori, he rongoa, me te whakahiato i te pentanol, te isopentane, me era atu mea.