[NHCOLL-L:1879] Re: teak

[Rachael Arenstein]

Pam Hatchfield in her very good article "Wood and Wood Products" in Storage
of Natural History Collections: A Preventive Conservation Approach, lists
the pH value of teak as 4.5 (the pH of oak ranges from 3.3 to 4.7 depending
on the species).  In addition to its acidic pH, teak is one of the hardwoods
that tends to off-gas more organic acids.  
 
************************************************
 
Rachael Perkins Arenstein
Conservator
National Museum of the American Indian
Research Branch
3401 Bruckner Boulevard
Bronx, NY 10461
e-mail: arensteinr at si.edu
tel: (212) 514-3971
fax: (212) 514-3816


>>> Charles F Sturm <csturmjr+ at pitt.edu> 04/01/03 02:20PM >>>
Folks,
  Does anyone know whether teak is highly acidic like oak or is more
benign. I have check several references and looked on the Internet with no
mention of teak and its properties. Thanks.

Regards,
Charlie
******************************************************************************
Charlie Sturm, Jr
Research Associate - Section of Mollusks
                     Carnegie Museum of Natural History
             Pittsburgh, PA, USA

Assistant Professor - Family Medicine

csturmjr at pitt.edu 


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