DE2539507A1 - Einrichtung zur regelung der silberionenkonzentration bei der faellung eines silberhalogenids in einem ansatzkessel - Google Patents

Einrichtung zur regelung der silberionenkonzentration bei der faellung eines silberhalogenids in einem ansatzkessel

Info

Publication number
DE2539507A1
DE2539507A1 DE19752539507 DE2539507A DE2539507A1 DE 2539507 A1 DE2539507 A1 DE 2539507A1 DE 19752539507 DE19752539507 DE 19752539507 DE 2539507 A DE2539507 A DE 2539507A DE 2539507 A1 DE2539507 A1 DE 2539507A1
Authority
DE
Germany
Prior art keywords
signal
silver
ion concentration
setpoint
sensor
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
DE19752539507
Other languages
German (de)
English (en)
Inventor
Keith Gordon Parthemore
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of DE2539507A1 publication Critical patent/DE2539507A1/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/14—Arrangements for performing computing operations, e.g. operational amplifiers for addition or subtraction 
    • 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
    • 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
    • G03C2200/09—Apparatus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/12—Condition responsive control

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Control Of Non-Electrical Variables (AREA)
DE19752539507 1974-09-09 1975-09-05 Einrichtung zur regelung der silberionenkonzentration bei der faellung eines silberhalogenids in einem ansatzkessel Pending DE2539507A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/504,156 US3999048A (en) 1974-09-09 1974-09-09 Flow control system for the precipitation of silver halide emulsions

Publications (1)

Publication Number Publication Date
DE2539507A1 true DE2539507A1 (de) 1976-03-25

Family

ID=24005086

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752539507 Pending DE2539507A1 (de) 1974-09-09 1975-09-05 Einrichtung zur regelung der silberionenkonzentration bei der faellung eines silberhalogenids in einem ansatzkessel

Country Status (2)

Country Link
US (1) US3999048A (enExample)
DE (1) DE2539507A1 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4031912A (en) * 1976-06-04 1977-06-28 Gaf Corporation Reactants addition and concentration control system
FI55414C (fi) * 1977-06-07 1979-07-10 Niemi Antti Johannes Foerfarande och anordning foer reglering av ph
DE2921164A1 (de) * 1979-05-25 1980-12-04 Agfa Gevaert Ag Verfahren zur bildung von metallsalzen, photographische materialien und deren verwendung zur herstellung photographischer bilder
JPS6433545A (en) * 1987-07-30 1989-02-03 Fuji Photo Film Co Ltd Method and apparatus for producing photographic sensitive solution
US4933870A (en) * 1988-07-14 1990-06-12 Eastman Kodak Company Digital silver ion concentration controller for the precipitation of silver halide emulsions
US5248577A (en) * 1990-08-13 1993-09-28 Eastman Kodak Company Reactant concentration control method and apparatus for precipitation reactions
US5317521A (en) * 1991-08-16 1994-05-31 Eastman Kodak Company Process for independently monitoring the presence of and controlling addition of silver and halide ions to a dispersing medium during silver halide precipitation
US5328787A (en) * 1993-05-24 1994-07-12 Eastman Kodak Company Method for assessing and controlling the sensitometric characteristics of photographic products
US5422825A (en) * 1993-08-17 1995-06-06 Eastman Kodak Company System for monitoring and controlling supersaturation in AgX precipitations
US5445945A (en) * 1994-02-28 1995-08-29 The Torrington Company Methods of regenerating metalworking fluids with chelating agents
US5753515A (en) * 1996-07-02 1998-05-19 Eastman Kodak Company Syringe pump apparatus for remote delivery of reactants
US6377755B1 (en) 1997-12-17 2002-04-23 Eastman Kodak Company Thermally protective camera case
EP3692046A4 (en) * 2017-10-05 2021-05-26 Clifford D. Jolly SILVER ION BIOCIDE RELEASE SYSTEM

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3610898A (en) * 1968-06-20 1971-10-05 Oval Eng Co Ltd System for correcting each unit amount of a quantity being measured and integrating corrected values
US3552428A (en) * 1968-06-20 1971-01-05 Phillips Petroleum Co Automatically tuned process controller
GB1294489A (en) * 1970-05-12 1972-10-25 Solartron Electronic Group Linearizing circuit
US3772915A (en) * 1970-10-27 1973-11-20 Cons Airborne Systems Density corrected flowmeter
US3739636A (en) * 1971-01-22 1973-06-19 A Versaci Linear readout flowmeter
US3821002A (en) * 1972-03-06 1974-06-28 Eastman Kodak Co Process control apparatus and method for silver halide emulsion making
US3854038A (en) * 1973-08-27 1974-12-10 Halliburton Co Method and apparatus for compensating fluid flow for a variable physical condition

Also Published As

Publication number Publication date
US3999048A (en) 1976-12-21
USB504156I5 (enExample) 1976-03-23

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