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KODAK D-19® Film Developer (Powder)

Formula for this highly used developer


Chinese



From Kodak publication J-1, Processing Chemicals and Formulas for Black and White Photography (1963):

D-19 Developer Ingredients list:

Water at 50°C (125°F): 500 ml
Elon (Kodak's name for Metol1):2.0g
Sodium sulfite, anhydrous:90.0g
Hydroquinone:8.0g
Sodium carbonate, monohydrated:52.5g
Potassium bromide, anhydrous:5.0g

Add additional water to make one liter.

1 Metol is p-methylamino-phenol sulfate, CAS# 55-55-0
We do not recommend anyone to formulate their own developer as a means of "saving money". However we have encountered researchers who wish to modify the standard developer in order to obtain unique developing characteristics and we present this information here as a convenience to our customers.

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Tuesday February 09, 2010
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