JPS5579444A - Photographic reducing solution - Google Patents

Photographic reducing solution

Info

Publication number
JPS5579444A
JPS5579444A JP15389078A JP15389078A JPS5579444A JP S5579444 A JPS5579444 A JP S5579444A JP 15389078 A JP15389078 A JP 15389078A JP 15389078 A JP15389078 A JP 15389078A JP S5579444 A JPS5579444 A JP S5579444A
Authority
JP
Japan
Prior art keywords
ammonium
alum
reducing solution
inorganic
ceric
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP15389078A
Other languages
Japanese (ja)
Inventor
Toshiko Kurisu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yamatoya and Co Ltd
Original Assignee
Yamatoya and Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yamatoya and Co Ltd filed Critical Yamatoya and Co Ltd
Priority to JP15389078A priority Critical patent/JPS5579444A/en
Publication of JPS5579444A publication Critical patent/JPS5579444A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/40—Chemically transforming developed images
    • G03C5/42—Reducing; Intensifying

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)

Abstract

PURPOSE:To obtain a photographic reducing solution capable of suppressing lowering of dot density and yet raising the speed of decrease (reduction) of dot sizes, by adding specified inorganic salts to an aqueous solution of a ceric compound and an inorganic acid. CONSTITUTION:To a reducing solution of an aqueous solution of ceric compound such as ceric sulfate and an inorganic acid such as sulfuric acid are added further an inorganic ammonium salt (a), such as ammonium nitrate, ammonium sulfate, or ammonium chloride by about 0.1% or more; a borate such as borax (b) by about 0.1% or more; and an alum (c), such as potassium alum, chromium alum, or ammonium alum by about 0.1% or more.
JP15389078A 1978-12-11 1978-12-11 Photographic reducing solution Pending JPS5579444A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15389078A JPS5579444A (en) 1978-12-11 1978-12-11 Photographic reducing solution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15389078A JPS5579444A (en) 1978-12-11 1978-12-11 Photographic reducing solution

Publications (1)

Publication Number Publication Date
JPS5579444A true JPS5579444A (en) 1980-06-14

Family

ID=15572342

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15389078A Pending JPS5579444A (en) 1978-12-11 1978-12-11 Photographic reducing solution

Country Status (1)

Country Link
JP (1) JPS5579444A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0514675A1 (en) 1991-04-22 1992-11-25 Fuji Photo Film Co., Ltd. Silver halide photographic materials and method for processing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0514675A1 (en) 1991-04-22 1992-11-25 Fuji Photo Film Co., Ltd. Silver halide photographic materials and method for processing the same

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