RE: ORGLIST: KOH powder

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From: R.C.F.Jones$##$open.ac.uk
Date: Thu Oct 28 1999 - 04:25:11 EDT

To add to the "pestle and mortar" approach for powdered KOH, we've done =
it
either under THF in a pestle and mortar, or wrapped in aluminium foil.
Ray
________________________________________
Professor R C F Jones
(Professor of Organic Chemistry)
Department of Chemistry
The Open University
Walton Hall
Milton Keynes MK7 6AA, UK
e-mail: R.C.F.Jones$##$open.ac.uk
tel: +44 (0)1908 653199; fax: +44 (0)1908 858327
WWW page: http://www2.open.ac.uk/Chemistry/RCFJ.html
________________________________________


> ----------
> From: Bozell, Joe
> Reply To: joe_bozell$##$nrel.gov
> Sent: 27 October 1999 9:44 pm
> To: Multiple recipients of list orglist
> Subject: RE: ORGLIST: KOH powder
>
> I have done this frequently merely by (rapidly) pulverizing the =
pellets in
> a
> mortar and pestle. The powder can then be placed under vacuum with a
> little
> mild heating to remove any water that might have been absorbed.
>
> best regards,
>
> Joe Bozell
> Senior Chemist
> National Renewable Energy Lab
> Golden, CO
> USA
>
>
> > ----------
> > From: Alison og Thomas Høyer
> > Reply To: alihoyer$##$post.uni2.dk
> > Sent: Wednesday, October 27, 1999 11:52 AM
> > To: Multiple recipients of list orglist
> > Subject: ORGLIST: KOH powder
> >
> > A procedure I wish to use calls for powdered KOH. As I pictured =
myself
> > trying to squash individual pellets between two teaspoons, I =
remembered
> > the orglist people: Have any of you tried preparing pulverized =
potassium
> > hydroxide?
> > KOH is very hygroscopic.
> >
> > Kindest regards,
> >
> > Thomas Hoyer
> >
> > __________________
> >
> > ORGLIST - Organic Chemistry Mailing List
> > Website and Archive: http://www.orglist.net/
> > List coordinator: Joao Aires de Sousa (jas$##$mail.fct.unl.pt)
> >
> __________________
>
> ORGLIST - Organic Chemistry Mailing List
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>
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