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Uruduᵗᵘᵖᵉ

Uruduᵗᵘᵖᵉ

REF #27
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Ammonium copper citrate (NH₄)₂Cu(C₆H₅O₇)₂ sol. 20%
5
Silver nitrate AgNO3 sol. 10%
1
Sodium thiosulfate Na2S2O3 sol. 10%
365nm inactinique

Operating procedure

1. Mix the citrate and nitrate.
2. Spread the mixture onto the paper.
3. Expose (12 min).
4. Wash for 30+30 seconds.
5. Fixer bath for 30 seconds.
6. Wash for 30+30+30 seconds.