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    • 6. 发明申请
    • PROCESS AND APPARATUS FOR MULTISTAGE CONTACTING
    • 多种接触方法和装置
    • WO1987002150A1
    • 1987-04-09
    • PCT/US1986002016
    • 1986-09-25
    • EASTMAN KODAK COMPANY
    • EASTMAN KODAK COMPANYHAHM, Paul, T.
    • G03D03/06
    • G03D3/065G03C5/3958
    • A novel process and apparatus for multistage contacting of two materials advantageously provides high chemical efficiency and low losses of components of one of the materials caused by that material being carried out of the process with the other material. The process comprises contacting, in a series of stages, a first material with a second material containing a component whose concentration therein is reduced by such contact. Replenishment material is introduced to at least one of the stages to compensate for such concentration reduction. The concentration of the component in the second material is highest in one of the stages, and the first material carries a part of the second material out of each stage. The first material is contacted with the second material at least once in each stage of the series. Contacting is done in a sequential manner such that, in respect to the first material, contacting occurs in at least one of the stages other than the stage having highest component concentration, then in the stage having highest component concentration, and then in at least one of the stages other than the stage having highest component concentration. Replenishment material is introduced to the stage having highest component concentration. Second material is transferred from the stage having highest component concentration to at least one of the other stages.
    • 7. 发明专利
    • Treatment of color photosensitive material
    • 颜色光敏材料的处理
    • JPS60195544A
    • 1985-10-04
    • JP5179684
    • 1984-03-17
    • Fuji Photo Film Co Ltd
    • NAKAMURA TAKASHI
    • G03C7/30G03C5/395G03C7/42
    • G03C5/3958
    • PURPOSE:To facilitate maintenance of a bleach-fixing soln. in a color photographic processing soln. and to favor bleach-fixing treatment by correcting H concn. and oxidation reduction potential of the bleach-fixing soln. to a prescribed value, adding sulfite ions as the preservative of thiosulfate, and returning this soln. to the bleach-fixing soln. in the tank of an automatic developing machine. CONSTITUTION:A silver halide color photosensitive material having a spread silver amt. of >=2g/m is exposed, then color developed, and bleach fixed. In this method, a part of the bleach-fixing soln. is drawn out into another vessel, its pH and oxidation reduction potential are adjusted, and recycled to the mother soln. pH is maintained within 6.2-8.0 to prevent poor desilvering and poor color reproduction, and the oxidation reduction potential is adjusted within 0- 90mV to prevent poor fixing and oxidation decomposition of thiosulfate. When said potential is >=70mV, sulfite is replenished as the preservative of the thiosulfate to prevent air oxidation of it. This method is used for a photosensitive material having a much coating silver amt. such as 2-6g/m .
    • 目的:方便维护漂白剂固定剂。 在彩色摄影处理溶液中。 并通过校正H +浓度来促进漂白定影处理。 和漂白剂固定溶胶的氧化还原电位。 加入亚硫酸根离子作为硫代硫酸盐的防腐剂,并返回该溶液。 到漂白剂固定溶胶。 在自动显影机的槽中。 构成:具有散布银的卤化银色感光材料。 > = 2g / m 2曝光,然后显色,漂白固定。 在这种方法中,漂白固定溶液的一部分。 被抽出到另一个容器中,其pH和氧化还原电位被调节并再循环到母液中。 pH值维持在6.2-8.0以内,防止脱色不良,色彩再现差,氧化还原电位调整在0〜90mV以内,防止硫代硫酸盐固定和氧化分解不良。 当所述电位> 70mV时,亚硫酸盐被补充为硫代硫酸盐的防腐剂,以防止其氧化。 该方法用于具有大量镀银银的感光材料。 例如2-6g / m 2。
    • 8. 发明专利
    • Treatment of color photosensitive material
    • 颜色光敏材料的处理
    • JPS60195545A
    • 1985-10-04
    • JP5179784
    • 1984-03-17
    • Fuji Photo Film Co Ltd
    • NAKAMURA TAKASHI
    • G03C7/30G03C5/395G03C7/42
    • G03C5/3958
    • PURPOSE:To facilitate maintenance of a bleach-fixing soln. in a color photographic processing soln. by correcting H concn. and oxidation reduction potential of the bleach-fixing soln. to a prescribed value, and returning this soln. to the bleach-fixing soln. in the tank of an automatic developing machine. CONSTITUTION:A silver halide color photosensitive material is exposed, then color developed, and bleach fixed by using an automatic color developing machine. In this photosensitive processing method, a part of the bleach-fixing soln. is drawn out into another vessel, its pH and oxidation reduction potential are adjusted, and recycled to the mother soln. pH is maintained within 6.2-9.0 to prevent poor desilvering and poor color reproduction, and the oxidation reduction potential is adjusted within -120-+50mV to prevent poor fixing, poor desilvering, and precipitation caused by oxidation of a fixing component. This method is effectively used for a photosensitive material, mainly such as color paper, having a comparatively small coating amt. of silver, such as 0.1-0.2g/m .
    • 目的:方便维护漂白剂固定剂。 在彩色摄影处理溶液中。 通过校正H + 和漂白剂固定溶胶的氧化还原电位。 达到规定值,并返回此soln。 到漂白剂固定溶胶。 在自动显影机的槽中。 构成:使用自动彩色显影机将卤化银色感光材料曝光,然后显色,漂白固定。 在这种光敏处理方法中,一部分漂白剂固定溶胶。 被抽出到另一个容器中,其pH和氧化还原电位被调节并再循环到母液中。 pH值维持在6.2〜9.0之间,以防止脱色不良和色彩再现差,氧化还原电位调节在-120〜+ 50mV以内,防止固定成分氧化引起固定不良,脱色不良,析出差。 该方法有效地用于感光材料,主要是具有较小涂层的彩色纸。 的银,例如0.1-0.2g / m 2。