Re: VDB test conclusions

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From: Richard Urmonas (rurmonas@senet.com.au)
Date: 12/06/02-03:26:47 AM Z


On 2002.12.07 04:03 rurmonas@senet.com.au wrote:

> 1) VDB needs a hypo bath. There is substantial silver in the
> unexposed parts of the image, even if there is no visible staining.
>
> 2) It was possible to cause a tone change in a fully fixed VDB
> print by using a sepia toner. I leave it to the reader to decide if
> this is relevant to their circumstances.

I forgot to add the results of my humid sulphorous environment test.
After 2 days the VDB has had a large tone shift (lighter and more
yellow).
A silver-gelatine RC print in the same test showed negligible tone
shift.

Richard

---
Richard Urmonas
rurmonas@senet.com.au

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