PHGP2LK

4/30/2026 12:00:00 AM

Photographers' Formulary

GP-2 Holography Processing Kit - 1 Liter - The GP-2 developer is the latest formulation by Dr. Tung H. Jeong of Lake Forest College. The GP-2 developing procedure is most suitable for the Russian-produced fine-grain emulsion now known as PFG-03M. Both the developer and the emulsion are discussed in the book "Silver Halide Materials for Holography and Their Processing" by Dr. Hans Bjelkhagen and published by Springer-Verlag. The book and the materials are distributed by Integraf LLC, Holography Supplies Source, 218 Main St #674, Kirkland WA 98033 (Phone: (650) 351-5003, Fax: (650) 351-0013, E-mail: ([email protected]). None Keep the stock solution in a tightly capped bottle and label it as "GP-2 Developer, Stock" None When refrigerated (not frozen), this solution should be good for one year; If it becomes yellow, dispose of it