Taken from "Chemical Formulas" Kodak Pub. J-1 Cat ~152-8462
(This publication is no longer available)


Soln "A" - Potassium ferrocyanide (anhyd.) 37.5 g/ 500ml water
Soln "B" - Sodium thiosulfate~5H0H 480 g/2000 ml. water

For Use:
Combine 30 ml soln "A" and 120 ml soln"B" and bring up to one liter.

To slow the rear reduce the amount of "A"