Search:

Type: Posts; User: Ryuji; Keyword(s):

Search: Search took 0.00 seconds.

  1. Replies
    71
    Views
    49,145

    Re: Toning and Permanence

    There are some other independent studies by a Danish group, a German group, et al., and also myself. Nishimura is not alone on the unreliable protection of selenium treatment, although not many...
  2. Replies
    71
    Views
    49,145

    Re: Toning and Permanence

    Iodide treatment is only weakly effective. It's inadequate to completely protect the image from standard peroxide attacks, while polysulfide toning is sufficient.

    Efficacy of selenium treatment is...
Results 1 to 2 of 2