Ntawm no yog cov kws tshaj lij Askiv cov ntsiab lus ntawm cov ntawv thov ntawm n - hephane:
Thawj siv ntawm n - heptane
1. Roj & Kev Lag Luam Roj
Octane Rating Txheem:
Ua haujlwm raws li 0-Octane siv roj (vs. isooctane ntawm 100) rau kev sim roj av hloov roj.
Hnyav rau kev txheeb xyuas hydrocarbon:
Siv los xyuas cov ntsiab lus txawv txawv hauv cov roj ntawm Astm D1319 (FIA txoj kev).
2. Kev muaj kuab tshuaj
Cov nplaum thiab txheej:
Cov khoom siv tseem ceeb hauv cov roj hmab xis mas, cov log kev kho cov tebchaw, thiab cov xim tsim tshwj xeeb.
Tu tus neeg saib xyuas:
Degreasing hnyav rau kev ntsuas tshuab thiab hluav taws xob ua hluav taws xob.
3. Kuaj cov ntawv thov
Chromatography:
GC / HPLC Mobile theem thiab siv cov qauv (ntau dua lossis sib npaug nrog 99.9% Purity).
ASTM D2268 rau distillation tsom xam cov roj av roj av.
Spectroscopy:
UV / ir spectroscopy kuab rau tsis -} polar kuaj.
4. Tshuaj Synthesis
Pub Hmoob:
Nruab nrab hauv kev tsim cov tshuab ua haujlwm (piv txwv li, di - heptyl phthalate) thiab portic peroxides.
Cov tshuaj tiv thaiv nruab nrab:
Inert hnyav dawb - radical polymerizations.
5. Tshwj xeeb siv
Tshuaj tua kab:
Carrier cov kuab tshuaj rau kev ua liaj ua teb.
Kws Tshuaj:
Extraction cov kuab tshuaj rau alkaloids thiab lipids (GMP qib yuav tsum tau).
Cov Khoom Siv Tseem Ceeb Siv cov kev siv no
| Ntiag tug | Qho tiag |
|---|---|
| Tsawg polarity | Qhov zoo tagnrho rau dissolving tsis-} recounds |
| Volatility (bp 98 degree) | Yooj Yim Post - txheej txheem tshem tawm |
| Siab Purity Muaj | Qhov tseem ceeb rau cov qauv ntsuas |
Nco tseg: Kev tuav tes yuav tsum muaj kev tswj hwm nruj heev (flash taw tes: -1 degree).
Cim npe nrov: n - heptane tank shipping hauv Tshuag, Tuam Tshoj n} heptane tank shipping hauv cov chaw tsim khoom, cov chaw muag khoom, Hoobkas
