Re: Eyedropppers and UV fluorescent tubes

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From: Eric Neilsen (e.neilsen@worldnet.att.net)
Date: 06/02/00-08:11:48 PM Z


JUdy, From somebody that has broken brown bottles :)

Judy Seigel wrote:

> On Fri, 2 Jun 2000, Darlington Media Group wrote:
>
> > >If you are using eyedroppers:
> > >
> > >I just replaced the black rubber bulb on one of my eyedroppers for
> > >ferric oxalate as it had deteriorated and was depositing black specks
> > >into my DOP sensitizer. I find this needs to be done every couple of years.
> >
> > Seems simple but this is sound advice. I replaced several rubber bulbs on
> > my droppers a few weeks ago. It seems that some chemicals in solution,
> > especially gold chloride, will have a deleterious effect on rubber that
> > will be aggravated if you store the bottles in a horizontal position. I
> > won't do that again!
>
> I've found that certain fluids disintegrate the rubber bulb no matter what
> position, tho not necessarily the ones you'd expect. But where do you get
> just the bulbs, pray tell?
>
> Judy

--
Eric J. Neilsen
4101 Commerce Street, Suite #9
Dallas, TX 75226
214-827-8301
http://e.neilsen.home.att.net
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