| http://www.w3.org/ns/prov#value | - A fixing solution which can be used in a fixing step is an aqueous solution which contains sodium thiosulfate or ammonium thiosulfate, and, if desirable, may contain tartaric acid, citric acid, gluconic acid, boric acid, iminodiacetic acid, 5-sulfo-salicylic acid, glucoheptanoic acid, Tiron, ethylenediamine-tetraacetic acid, diethylenetriaminepentaacetic acid, and nitrilotriacetic acid or salts th
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