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GEVAERT G-417 GOLD TONER |
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Sito Web |
http:/ / unblinkingeye.com/ Articles/ Developers/ Formulas/ formulas.html |
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Descrizione |
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(for blue tones on chloride papers) |
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Formula e Preparazione |
Solution A:
Gold chloride . . . . . . . . . . . . . . . . . . . . . 1 g
Calcium carbonate . . . . . . . . . . . . . . . . . 3 g
Water to make . . . . . . . . . . . . . . . . . . . . 250 ml
Solution B:
Thiourea (thiocarbamide) . . . . . . . . . . . . 16 g
Sodium thiosulfate . . . . . . . . . . . . . . . . . 16 g
Potassium metabisulfite . . . . . . . . . . . . . 5 g
Water to make . . . . . . . . . . . . . . . . . . . . 250 ml |
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Processo di sviluppo |
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Prints should be developed a little lighter than usual for this toner. Solutions should be prepared 24 hours before use and mixed in equal parts immediately before use. Toning takes about 5 minutes. Wash thoroughly. |
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Note personali |
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BY: PG |
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