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Re: [ARSCLIST] shellac and acidity

I would just like to know what is the significance of this pH level is
in regards to the longevity of the sleeve and the record.  Also what is
"DOF."  I would appreciate not having to go througha chemistry text.

many thanks

D. Sager

>>> doncox@xxxxxxxxxxxxxx 06/03/03 02:24PM >>>
On 03/06/03, David S Sager wrote:
> translation anyone?
> DS
>>>> nauck@xxxxxxxxx 06/03/03 11:17AM >>>
> I have just received lab results back from Terry Tullos Wayland, who
> is a
> paper conservator.
> He says:
> "Kurt, your DOF specimen is a moderately acidic pH 4.59."

If you mean that you don't understand pH, try any school chemistry
or web pages such as


Don Cox

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