[pure-silver] Re: Exposed old HP5

  • From: `Richard Knoppow <dickburk@xxxxxxxxxxxxx>
  • To: pure-silver@xxxxxxxxxxxxx
  • Date: Fri, 22 Jun 2018 10:24:09 -0700

I have a data sheet for HP-5+ I think there can't be much difference between it and HP-5 For ID-11, diluted 1:1 time at 68F is 13 minutes. ID-11 is essentially identical to D-76. The sheet does not give specific agitation recommendations however it seem to me that for spiral tanks Ilford recommends 10 seconds once a minute as opposed to Kodak who recoments four inversions in five seconds once ever 30 seconds. My experience is that there is little difference.
Straight development is best, any attempt to suppress fog will also suppress some of the latent image. While there will be some fog you will probably get printable negatives. Uniform overall fog just increases printing exposure time.

On 6/22/2018 9:58 AM, Robert Hall wrote:

Unless they were kept in your car, I would just develop them normally.


*Robert Hall*





On Fri, Jun 22, 2018 at 10:42 AM Janet Gable Cull <janetgcull@xxxxxxxxx <mailto:janetgcull@xxxxxxxxx>> wrote:

    I have a handful of rolls of HP5, and at least two of them
    were shot 8 or 9 years ago. I hope there’s even anything on
    those rolls at all but how should I process them, rather for
    how long? Are use D76, 1:1. When I look for developing times
    online all I can see information for is HP5+. For the other
    roles would I start with the same recommended times as for HP 5+?

    Thank you.


    Janet Gable Cull
    Sent from my iPhone


--
Richard Knoppow
dickburk@xxxxxxxxxxxxx
WB6KBL
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