[pure-silver] Re: mottled tones
----- Original Message ----- From: "Dave V" <DValvo@xxxxxxxxxxxxxxxx> 
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Monday, July 16, 2007 8:12 AM
Subject: [pure-silver] Re: mottled tones
Old trick about old paper that has been frozen. ......Take out of freezer; defrost; remove only what you intend on using; repackage in plastic moisture proof packages in small packages; refreeze. What is left out at room temp will go bad very quickly. Seems like the aging is stopped while frozen but time accelerates if you un-freeze it. 

Dave
That's very interesting to know. Evidently some sort of change continues even when frozen. I would think manufacturer's would certainly know since sensitive materials are perishables and the safe storage interval would dictate the maximum time between runs. I have noticed that some papers age less than others. In general variable contrast papers have shorter shelf life than graded paper and cold tone paper longer life than warm tone paper. 

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Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx 
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