GB2335988B - Method of measuring pH in a photographic emulsion - Google Patents

Method of measuring pH in a photographic emulsion

Info

Publication number
GB2335988B
GB2335988B GB9906636A GB9906636A GB2335988B GB 2335988 B GB2335988 B GB 2335988B GB 9906636 A GB9906636 A GB 9906636A GB 9906636 A GB9906636 A GB 9906636A GB 2335988 B GB2335988 B GB 2335988B
Authority
GB
United Kingdom
Prior art keywords
measuring
photographic emulsion
photographic
emulsion
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.)
Expired - Fee Related
Application number
GB9906636A
Other versions
GB9906636D0 (en
GB2335988A (en
Inventor
Kenneth Ray Keymel
James Roy Sandifer
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB9906636D0 publication Critical patent/GB9906636D0/en
Publication of GB2335988A publication Critical patent/GB2335988A/en
Application granted granted Critical
Publication of GB2335988B publication Critical patent/GB2335988B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/015—Apparatus or processes for the preparation of emulsions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/4035—Combination of a single ion-sensing electrode and a single reference electrode
    • 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
    • G03C2200/00—Details
    • G03C2200/43—Process
    • 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
    • G03C2200/00—Details
    • G03C2200/44—Details pH value
    • 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
    • G03C2200/00—Details
    • G03C2200/60—Temperature

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Electrochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
GB9906636A 1998-03-31 1999-03-24 Method of measuring pH in a photographic emulsion Expired - Fee Related GB2335988B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5230198A 1998-03-31 1998-03-31

Publications (3)

Publication Number Publication Date
GB9906636D0 GB9906636D0 (en) 1999-05-19
GB2335988A GB2335988A (en) 1999-10-06
GB2335988B true GB2335988B (en) 2002-04-10

Family

ID=21976706

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9906636A Expired - Fee Related GB2335988B (en) 1998-03-31 1999-03-24 Method of measuring pH in a photographic emulsion

Country Status (2)

Country Link
FR (1) FR2776777A1 (en)
GB (1) GB2335988B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000074875A (en) * 1998-09-01 2000-03-14 Eastman Kodak Co Device and method for collating potential difference measurement for solution

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3681205A (en) * 1969-07-10 1972-08-01 Eastman Kodak Co Method and cell for repetitive high precision ph and like measurements
JPS53137096A (en) * 1977-05-06 1978-11-30 Fuji Photo Film Co Ltd Production of slightly soluble silver salt particles
US5250168A (en) * 1990-07-03 1993-10-05 Hitachi, Ltd. Integrated ion sensor
US5336388A (en) * 1991-12-26 1994-08-09 Ppg Industries, Inc. Analyte and pH measuring sensor assembly and method

Also Published As

Publication number Publication date
GB9906636D0 (en) 1999-05-19
FR2776777A1 (en) 1999-10-01
GB2335988A (en) 1999-10-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060324