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Extraktion , Pseudo with Ibuprofen

Started by Brainpep, October 25, 2003, 06:29:00 AM

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Brainpep

i've got some pills. They have 30mg pseuodo and 200mg Ibuprofen.

What would be the best extraktion?

Other components:
lactosum monohydricum,cellulosum microcristallinium,maydis amylum, carboxymethylamylum natricum, stearinum,silica colloidalis anhydrica,talcum,macrogolum 6000

I've water,dh2o and acetone only.

Osmium

1) soak crushed pills in first in NP solvent and then acetone; filter, repeat 3 times or more for each solvent
2) dissolve in lots of water, acidify with a little HCl or H2SO4
3) let insolubles settle out at least overnight in a high and narrow container; 24hrs or longer might work even better
4) heat decanted/filtered solution close to boiling point, scoop out shit that might come out of solution
5) extract with non-polar, discard the wash
6) basify with NaOH
7a) extract freebase with NP, evap NP to obtain pseudo freebase
In case of horrible emulsion formation:
7b) remove FB by filtration, extract filtercake with hot NP, let evaporate to obtain freebase