[alt-photo] Re: buffered mat board in the real alternative world

[Mark Nelson]

I'm with Bob on this one.

Mark Nelson
www.PrecisionDigitalNegatives.com
PDNPRint Forum @ Yahoo Groups
www.MarkINelsonPhoto.com

sent from my iPhonetypeDeviceThingy

On Jan 23, 2010, at 9:35 AM, "BOB KISS" <bobkiss at caribsurf.com> wrote:

> DEAR FRANCIS,
>    I always use 100% cotton museum board which has no wood fibers  
> (ergo
> no lignin) and (I believe) no buffering because it doesn't need it.   
> It has
> worked very well for Pt/Pd, cyano, and POP for 15 years.
>    Given all the work (and cost of materials for Pt/Pd) that goes into
> making a print, I just don't feel it is worth any risk using any other
> boards.
>        CHEERS!
>            BOB
>
> -----Original Message-----
> From: alt-photo-process-list-bounces at lists.altphotolist.org
> [mailto:alt-photo-process-list-bounces at lists.altphotolist.org] On  
> Behalf Of
> francis schanberger
> Sent: Saturday, January 23, 2010 10:15 AM
> To: The alternative photographic processes mailing list
> Subject: [alt-photo] buffered mat board in the real alternative world
>
> The following stems from unearthing a stash of buffered Light  
> Impressions
> mat board at my mom's house and budgetary constraints.
>
> How bad is buffered mat board for alternative processes? Perhaps one  
> should
> consult *The Permanence and Care of Color Photographs* by Brower and
> Wilhelm, but I was interested to see what the list is doing i.e  
> what's going
> on in the real alternative world.
>
> Knowing cyanotype's sensitivity to alkaline environments, I have  
> always
> avoided boards loaded with calcium carbonate but what about vandyke  
> brown
> which has an image resulting from the remaining silver and not iron?  
> Is gum
> sensitive to pH above 7? Does anyone use the presentation boards  
> that aren't
> buffered but contain wood pulp?
>
> -francis
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