[pure-silver] Re: how old is too old?

Richard Knoppow wrote:
> 
> ----- Original Message ----- From: "Shannon Stoney"
> <shannonstoney@xxxxxxxxxxxxxxx>
> To: <pure-silver@xxxxxxxxxxxxx>
> Sent: Monday, April 20, 2009 3:28 PM
> Subject: [pure-silver] how old is too old?
> 
> 
>> I have some HP5+ that goes back to 2005. I've kept it in a cool dry
>> place.  Is it too old?  Might it be slower or faster or what?
>>
>> --shannon
>>
> 
>     Four years is not very old. High speed film tends to become foggy
> faster than slow film but HP-5 should still be pretty much like new. I
> would use it normally but not for applications requiring pushing.
>     A slight uniform fog has little or no effect other than to lower
> effective speed a little since it adds arithmetically to all densities.
>     Other answer, you have to shoot some to find out if its still OK.
>     A long time ago I bought a couple of bricks of Verichrome Pan. I
> kept them in the refrigerator but not the freezer. I used the last roll
> when it was ten years beyond the expiration date. It had become somewhat
> foggy but still made good printable negatives. A faster film would
> probably not have lasted that long.
> 
> -- 

Ahhhhh Verichrome - verily I miss thee (It's "Talk Like Shakespeare Day" here).


-- 
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Tim Daneliuk     tundra@xxxxxxxxxxxxxx
PGP Key:         http://www.tundraware.com/PGP/

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