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Dye-Bleaching Bath for the Silver-Dye-Bleach Process

机译:银染漂染工艺的印染浴

摘要

1,176,530. Photographic silver-dye-bleach bath. AGFA GEVAERT A.G. Sept. 21, 1967 [Sept.21, 1966], No.43049/67. Heading G2C. An aqueous dye-bleach bath for the photographic silver-dye-bleach colour process contains 45 to 125 ml. of quinoline and 5 to 40 ml. of quinaldine per litre and possesses a pH of below 2 and an electro-chemical silver potential with reference to a saturated calomel electrode that is more negative than -300mV. The bath may contain as acids sulphuric, hydrochloric, hydrobromic, phosphoric, nitric, toluene sulphonic and naphthylene disulphonic acids and alkali-metal halides such as potassium iodide and complexing agents such as thiosemicarbazide and thiourea may also be present.
机译:1,176,530。摄影银染料漂白液。 AGFA GEVAERT A.G. 1967年9月21日[1966年9月21日],No.43049 / 67。标题G2C。用于照相银染料-漂白彩色印刷的水性染料-漂白浴包含45至125毫升。喹啉和5至40毫升。相对于饱和甘汞电极,每升苯丙氨酸的浓度为2纳尔/升,且pH值低于2,且电化学银势比-300mV负。该浴液可以包含硫酸,盐酸,氢溴酸,磷酸,硝酸,甲苯磺酸和亚萘二磺酸作为酸,并且还可以存在碱金属卤化物例如碘化钾和络合剂例如硫代氨基脲和硫脲。

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