Quote Originally Posted by Photo Engineer View Post
This is a very clean working developer, never sold, but used internally for testing photographic emulsions. It is a pure surface developer and does not have any solvent effects on buried image.

Elon-------------2.5 g
Ascorbic Acid---10.0 g
Kodalk----------35.0 g
KBr--------------0.4 g
Water to 1 liter

pH 9.8

Note the use of decimals.

PE
Pretty stiff solution. In Nov/Dec Issue of Darkroom & Creative Camera Techniques, I published this formula.
Metol-------------0.2 g
Ascorbic acid------2.0 g
Borax-------------6.1 g
Sodium hydroxide--1.7 g
Water to 1 qt.
The combination of borax abd NaOH is close to the standard ratio for simulating Kodalk.