Težave pri kristalizaciji A-PVP

madmoney69

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Pozdravljeni.
Naredil sem a-pvp sintezo iz kupljenega
2-bromovalerofenona. To je bila precej preprosta reakcija.
Sedaj sem izparil večino etil acetata, dodal aceton, dobil ph na 5 in ne morem dobiti kristalov. Poskušal sem raztegniti steklo, izpariti več topila, vendar še vedno nič.
Ima kdo izkušnje s tem vprašanjem?
 

Serega

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Katero topilo ste uporabili?
 

madmoney69

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Etil acetat.
 

Serega

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Raztopino uparite, dokler se na površini ne pojavi film. nato pustite čez noč v zamrzovalniku (-18/-20C). vse bi moralo kristalizirati.
 

Power

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ali se lahko a-pvp upari v naftni cevi?
 

AmoreTossico

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ja, lahko je, včasih sem preganjal al folijo, pokadil sem več kot kilogram tega sranja
pazite na skrajno paranojo in ljudi v senci
 
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