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Moersch Photochemie
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wolfgangmoersch-photochemie.de

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Silber Auskopierverfahren Lobotypie
Melaten Cemetery, Cologne
An older 4x5 negative,
Lobotype on Hahnemühle Platinum Rag,
sensitizer for deepest black with 1ml AmIronIIIoxalate 40% + 1ml 15% Silver nitrate + 6 drops Tartaric acid 50% + 1 drop Na2 10%,
developed in slightly acidified water 4 mins, clearing bath Citric acid 2% sol. 1 min,  ATS acidic fixer 1+10 3 mins.