Saturday 7 March 2009

Developer info.

Developers for paper.

Developer – Ilford ID20

Water @40ºC 750.00ml
Metol 3.00g
Sodium sulphite, anhydrous 50.00g
Hydroquinone 12.00g
Sodium carbonate, anhydrous 60.00g
Potassium bromide 4.00g
Water to make 1000.00ml

For use dilute 1 part dev with 3 parts water
Dev time @20ºC is approx 2 minutes.

Developer – Kodak D72

Water @ 50ºC 750.00ml
Metol 3.00g
Sodium sulphite, anhydrous 45.00g
Hydroquinone 12.00g
Sodium carbonate, monohydrate 80.00g
Potassium bromide 2.00g
Water to make 1000.00ml

For use dilute 1 part dev with 2 parts water
Dev time at 20ºC is approx 1-2 minutes.

Developer – Kodak D158

Water @50ºC 750.00ml
Metol 3.20g
Sodium sulphite, anhydrous 50.00g
Hydroquinone 13.30g
Sodium carbonate, anhydrous 69.00g
Potassium bromide 0.90g
Water to make 1000.00ml

For use dilute 1 part dev with 2 parts water
Dev time @20ºC is approx 1-2 minutes

Higher contrast developer.

These give the highest possible contrast for each grade, maximum contrast is best at no less than 18ºC.

High Contrast Developer

Water at 50ºC 750.00ml
Sodium sulphite, anhydrous 72.00g
Sodium carbonate, anhydrous 50.00g
Hydroquinone 8.80g
Phenidone 0.22g
Potassium bromide 4.00g
Benzotriazole 0.10g
Water to make 1000.00ml

Use undiluted
Dev time at 20ºC is approx 2 minutes.

Soft Developer Kodak D165

This is formulated for both rapid processing and maximum print contrast.


Water @ 50ºC 750.00g
Metol 6.00g
Sodium sulphite, anhydrous 25.00g
Sodium carbonate, anhydrous 37.00g
Potassium bromide 1.00g
Water to make 1000.00ml

For use dilute 1 part dev with 3 parts water
Dev time @ 20ºC is approx 2 minutes.

If you require any information on mixing the chemicals please send me an e-mail.

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