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Re: odors coming from Audio and video collections



Dear Rob,

We have a variety of papers and boxboards which in addition to the 
traditional alkaline buffering, contain zeolites or a combination of zeolites 
and activated carbon. Both the zeolite and activated carbon have been 
specifically developed and formulated for archival storage, and it is highly 
probable they will solve or at least greatly ameliorate your odor problem. To 
give you a sense of the available capacity, the MicroChamber paper can remove 
170 times more acetic acid than a buffered paper of the same size and weight. 
If the culprit is something other than acetic acid, it is likely these papers 
will also remove the molecule(s) causing the problem. One of these 
MicroChamber papers has been used for some time to solve a problem with 
offgasing from reels of audio tape. Usually any molecule offending people?s 
sense of smell is also causing deterioration in collections stored in the 
vicinity of the source, so if the offending odor is removed, the collection 
will benefit too. If you want to see if this material will help, I?ll be glad 
to send some to you to try. 

Bill Hollinger
Conservation Resources
8000 - H Forbes Place
Springfield, VA 22151
800 634 6932 

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