[pure-silver] Re: Using diluted vinegar as stop bath

  • From: Bogdan <bkarasek@xxxxxxxxxxxx>
  • To: pure-silver@xxxxxxxxxxxxx
  • Date: Sat, 26 Feb 2011 13:57:08 -0500

Hi,
I just checked the the ingredients label, and it is marked "5% acetic acid per volume" , so, for papers. I'll dilute 1:1.5 (water) .
Just out of curiosity, why is it impossible to get regular white vinegar in a restaurant in the US. In Canada, there is always vinegar on the table, along with salt and pepper. in Canada, we put vinegar on our french fries. We've eaten in places all over the US, and it is impossible to get vinegar to put on one's french fries. Is this a cultural thing, or is there a more specific reason that I am unaware of???? I've asked in restaurants in the US and they look at me like I came from another planet. Then, they ask me why I would want to put vinegar on my food. The only vinegar they would have would wine vinegar for salads.
If anybody has a answer, I'd be very interested in hearing it. One of those things, like 'What is the meaning of life"? 42! 

Cheers,
Bogdan

On 2/26/2011 1:18 PM, Gerald Koch wrote:
To use as a stop bath it must be white or distilled vinegar. The brown form may stain. Check the label as it can be any percentage from 4% to 5% depending on the brand. Kodak SB-1 for papers is 2% acetic acid, for films the percentage can be 1%. So if you have the 4% version dilute it with an equal amount of water for 2%. 
Jerry

------------------------------------------------------------------------
*From:* Bogdan <bkarasek@xxxxxxxxxxxx>
*To:* pure-silver@xxxxxxxxxxxxx
*Sent:* Fri, February 25, 2011 2:56:37 PM
*Subject:* [pure-silver] Using diluted vinegar as stop bath

Hello all,
this was discussed a few years back, but do not remember the details. I have 3 gallons of kitchen vinegar and I remember it was mentioned that a dilution of vinegar could be used as a stop bath. Does anybody know what dilution of vinegar to water I should use? Are there any disadvantages to using diluted vinegar as opposed to the Indicator Stop made by the great yellow Father or Ilford's Stop bath? If I do use diluted vinegar, how can I tell when I should dump the bath? 

Cheers,
Bogdan
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