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--- wiki:darkroom:chemistry:eco4812 [2022/01/19 21:59] – ↷ Page moved from darkroom:chemistry:eco4812 to wiki:darkroom:chemistry:eco4812 henpe
+++ wiki:darkroom:chemistry:eco4812 [2022/01/20 21:49] (current) – henpe
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 ====== ECO 4812 ======
 Eco 4812 Paper developer (Moersch Photo Chemie, Ger)
+===== Notes =====
+=== Capacity ===
+The capacity per litre of stock solution is around 400 sheets of 24x30cm paper. Dilution of working solution is 1+14. This yields a capacity of
+\[ \frac{400\times24\times30}{15} = 19200\ \text{cm}² \quad \text{per liter working solution}\]
+A slot in a Nova print processor is approx 1.8 liter.
+\[\frac{19200 \times 1.8}{(30\times40)} = 28.8 \]
+A Nova tank filled with fresh developer should last for approx 28 pcs 40x30 (cm) sheets or 48 pcs 24x30 (cm) sheets.