Re: dessicant capsules

From:Philip Oshel <>

Dessicant capsules can be made by filling ordinary gelatin capsules 
with your favorite dessicant.


>Hi Carrie and all,
>I have bought dessicant capsules [indicator-colored silica gel 
>inside clear plastic] from a company called United Dessicants 
>(sorry, no address at hand).   They came in two sizes, about 2cm and 
>4cm long, sold as 1.5 or 3g.   A colleague told me a while back he 
>couldn't find them any longer.   I just tried their old phone number 
>[609/662-6500] and got a 'no longer in service' recording.   I don't 
>know if they're out of business, or just don't make this product any 
>longer...maybe someone can track them down?   One factor may be that 
>the capsules are recyclable [can be dried for re-use by storing 
>overnight in a 60degree oven].  I've actually had the ones I use now 
>for years!  No repeat business, no more product availability, I 
>I also have silica gel beads that are heat-driable - they're sold to 
>put in the bottom of dessicators ["t.h.e. dessicant" from EM 
>Science].  Much less messy than drierite, but not as convenient as 
>I'd be interested to hear if someone on the HistoNet has a 'source' 
>for dessicant capsules.  I wonder where the vitamin pill people get 
>the little plastic vials of dessicant they use?
>cheers, -Donna
>>Date: 22 Feb 2001 16:46:14 -0600
>>From: "Carrie Kyle" <>
>>Subject: need vendor info......
>>hi all,
>>hope someone can figure out what i'm looking for....  :-)
>>i need to find a vendor for drierite.....but not the loose stuff.  i've used
>>some in the past that was in clear capsules, making it nice and 
>>easy to use in
>>slide boxes and you could clearly see when they needed to be changed out with
>>fresh capsules.  the problem is that can't remember who our source was.  i've
>>checked vwr and fisher with no success.
>>carrie kyle-byrne

Philip Oshel
Supervisor, AMFSC and BBPIC microscopy facilities
Department of Animal Sciences
University of Wisconsin
1675 Observatory Drive
Madison,  WI  53706 - 1284
voice: (608) 263-4162
fax: (608) 262-5157 (dept. fax)

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