The normal dilution is 1+14. Development time: 2_ - 3 minutes If you use the same exposure times in a dilution of 1+10 and develop for only 2 minutes, the contrast will increase. The stock solution has a shelf life of 4 years. When opened and depending on the filling level in the bottle this reduces to approximately 2 years. The working solution has a shelf life of 8 months if stored in a bottle. The capacity per litre of stock solution is around 400 sheets of 24x30cm paper.
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