BIOL/MBIO/PBIO 5364

 

 

CHEMICALS USED TO DEVELOP ELECTRON MICROSCOPY FILM

 

Kodak Developer D-19:

 

         Metol 2.0 gram

         Sodium sulphite (anhydrous) 90.0 grams

         Hydroquinone 8 grams

         Sodium Carbonate (Anhydrous) 45.5 gms or (monohydrated) 52.5 gms

         Potassium Bromide 5.0 grams

         Water to make 1 litre.

 

         (Later this was reformulated as D19b and was a standard developer with a variety of uses.)

 

Kodak Developer D19b / Ilford ID-19

 

         Metol 2.2 gram

         Sodium sulphite (anhydrous) 72.0 grams

         Hydroquinone 8.8 grams

         Sodium Carbonate(anhydrous) 48.0grams

         Potassium Bromide 4.0 grams

         Water to make 1 litre.

 

Ilford Developer PQ current version is ID-72

 

         Phenidone 0.22 gram

         Sodium sulphite (anhydrous) 72.0 grams

         Hydroquinone 8.8 grams

         Sodium Carbonate(anhydrous) 48.0grams

         Potassium Bromide 4.0 grams

         IBT 1% soln (Benzotriazole) 10ml

         Water to make 1 litre.

 

From a photography blog. Note: We accept NO responsibility for the accuracy of these numbers, but as developing chemicals become more difficult to find, we wanted to archive this.