Prevajanje ketamina

Selassi

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Dobro popoldne, fantje,

imam vprašanje o rekristalizaciji sladkorja ali igle ketamina hcl.
Kako dobite te velike kamne ketamina?
Preprosto naredite nasičeno raztopino ipa/voda in izparite enako kot običajno?
 

WillD

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Da, poskusite. Toda veliki kristali bodo lažje zrasli, če boste izvedli postopek ločevanja izomerov.
 
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bigusdickus

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Ummm, ne. Pri ketaminu ne obstaja nič takega kot ločevanje izomerov. Gre za ločevanje enantiomerov. (tj. R/S D/L E/Z).

S-enantiomer ketamina težko tvori velike balvane, medtem ko jih racemična različica z ustrezno laboratorijsko tehniko zlahka tvori.

Kaj je ta tehnika? Težko delo in nekaj, kar je povezano s termovko. Kasneje se mi zahvalite.
 

Selassi

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Da, naletel sem na del besedila, ki opisuje to... Bo treba biti ustvarjalen pri tem v velikem obsegu.
Najlepša hvala za namig...
 

joejoe

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Pozdravljeni, ali je poskus končno uspel? ali mi lahko poveste podrobno metodo? hvala!
 

Selassi

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@bigusdickus
Poskusil sem s tehniko zamrzovalnika/termosa. Vendar mi še vedno ne uspe proizvesti kamnov...

Ne morem se izogniti oblikam, podobnim črepinji, kot je ta.
 

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Selassi

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Poskusil sem, dokler ni satured v vreli vodi/metanolu in potem, kako so rekli v termoski način, vendar brez kamnov
 

Selassi

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Ne, pred zamrznitvijo ni potrebno izhlapevanje, mar ne?
 

Davidrobinson

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Poskusite ga raztopiti v metanolu ali etanolu in alkohol izpareti, to bi moralo delovati.

Ali ste že kdaj rekristalizirali ketamin v prahu v paličaste kristale?
 

Selassi

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Brez izhlapevanja ne dobimo trdnih kamnin. Resda daje kristalno pogačo majhnih igličastih kristalov.

Poskusil sem z metodo zamrzovanja in dobil večje kristale, podobne črepinji, kot sem objavil prej, vendar še vedno. ni kamnin...
 

Davidrobinson

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Zakaj želite skale?
Ali si predstavljate, kako to počnejo Nizozemci?
Ali je vaš ketamin racemičen ali s-izomer?
 

Davidrobinson

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Zakaj želite skale?
Ali si predstavljate, kako to počnejo Nizozemci?
Ia vaš ketamin racemičen ali s izomer
 

Selassi

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Kamnine da, želimo izdelati kamnine
njena racemična keta ye, ne S
 

keta0ermit

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Kaj je termoska metoda?
 

Wario

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Uporabite vakuumski eksikator, dobili boste kristale hroščev, prav tako mora biti serija dovolj velika.
 

Davidrobinson

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Kako je to najbolje storiti
 

Wario

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Vakuumski eksikator je način, kako ga naredim z dobrim rezultatom in kristalno čistim kristalom
 

Davidrobinson

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Kaj pomeni, ali se rekristalizira v topilu , v vakuumskem eksikatorju
 

Wario

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Raztopite z demineralizirano vodo in pustite, da se pri sobni temperaturi suši v eksikatorju od 4 do 5 dni, odvisno od velikosti serije
 
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