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Van Dyke Brown is an early photographic printing process. The process was so named due to the similarity of the print color to that of a brown oil paint named for Flemish painter Anthony van Dyck. ==Solution== The solution is made out of a mix of three different solutions. * Solution 1: Dissolve 10 grams ferric ammonium citrate in 30 ml distilled water. * Solution 2: Dissolve 1.5 grams tartaric acid in 30 ml distilled water. * Solution 3: Dissolve 4 grams silver nitrate in 30 ml distilled water. Combine the 3 solutions and stir well. Add enough distilled water to make 100 ml of solution. The solution will keep for several weeks if stored in a cool, dark place.〔http://www.alternativephotography.com/wp/processes/kallitypes/beyond-the-blues-vandyke-brown-printing〕 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Van Dyke Brown」の詳細全文を読む スポンサード リンク
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