The very high ph of a hydroxide is not needed. The
Originally Posted by clayne
glycol? The entire News Paper industry for generations
existed as we know it because of lith developers. Many
variations exist catering to many emulsions, work
conditions, keeping qualities etc.
The secret is the extremely low level of sulfite needed.
Ordinarily hydroquinone is, after a manor, rejuvenated
so acts in it's usual way. As sulfite levels drop below
2% hydroquinone reduces the halides of silver
To learn more, via Google search for lith formulas.
Once there read "What Lith Developers Do". Dan