[NHCOLL-L:1728] RE: Acidity

[Simmons, John E]

Are you sure that this is the correct pH?  How did you measure it?  

 

--John

 

-----Original Message-----
From: Heidi Fourie [mailto:fourie.h at nfi.co.za] 
Sent: Monday, October 21, 2002 6:56 AM
To: nhcoll-l at lists.yale.edu
Subject: [NHCOLL-L:1727] Acidity

 

Dear everyone,

 

We have a problem with an acid level of 2.0 in one of our strong rooms.  It
has humidity readings of between 40-44%.  Several collections are stored in
there.  Mainly archival documents from the finance department dating back to
the early 1900's, an alcohol herpetology collection, a mummy, a very
valuable painting collection, some guns and odds and ends.

When discovering the low acidity we moved the alcohol collection out.  My
main question:  What about the paintings (all original drawings with pen)
and the dehydrated (sun dried) mummy in a glass case.  Should we seperate
these collections all together?

Any advice will be appreciated, either privately Fourie.h at nfi.co.za
<mailto:Fourie.h at nfi.co.za>  or to the list.

 

Dr H. Fourie

Transvaal Museum, Pretoria

South Africa

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