Re: tonal inversion and pigment loads

On Jan 26, 2006, at 6:40 PM, Katharine Thayer wrote:

>
>
>>
>> However, before someone feels the urge to eat her words, I must
>> add that in other tests, with different sizing and/or different
>> paper (but identical gum/pigment mix and exposure) the inversion
>> does not happen at all. I think that the substrate is far more
>> determinative of inversion that pigment concentration or exposure.
>> But this is a tentative opinion, for now.
>>
>
> What's the substrate you used for these examples?
>
> If it's an unsized paper that doesn't print well unsized, if the
> pigment level is low, and if the same pigment mix doesn't stain on
> a more sized paper, as I think you're saying, then this is what I
> would call paper-related staining, not pigment-related staining,
> (distinction made clear on my page on pigment stain) and by
> extension, paper-related inversion. And if so, then I must eat a
> few words at least.

Meaning that I wouldn't have expected paper-related pigment staining
to manifest as inversion.
kt
Received on Thu Jan 26 22:10:34 2006