GB1146910A - A method of and apparatus for determining the concentration of 1-phenyl-3-pyrazolidone in photographic developing solutions - Google Patents

A method of and apparatus for determining the concentration of 1-phenyl-3-pyrazolidone in photographic developing solutions

Info

Publication number
GB1146910A
GB1146910A GB30676/66A GB3067666A GB1146910A GB 1146910 A GB1146910 A GB 1146910A GB 30676/66 A GB30676/66 A GB 30676/66A GB 3067666 A GB3067666 A GB 3067666A GB 1146910 A GB1146910 A GB 1146910A
Authority
GB
United Kingdom
Prior art keywords
film
solution
pyrazolidone
phenyl
blackening
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
Application number
GB30676/66A
Other languages
English (en)
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.)
COMITETUL DE STAT PENTRU CULTURA SI ARTA
COMITETUL DE STAT PENTRU CULTU
Original Assignee
COMITETUL DE STAT PENTRU CULTURA SI ARTA
COMITETUL DE STAT PENTRU CULTU
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 COMITETUL DE STAT PENTRU CULTURA SI ARTA, COMITETUL DE STAT PENTRU CULTU filed Critical COMITETUL DE STAT PENTRU CULTURA SI ARTA
Publication of GB1146910A publication Critical patent/GB1146910A/en
Expired 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
    • G03C5/29—Development processes or agents therefor
    • G03C5/31—Regeneration; Replenishers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • 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
    • Y10T436/14—Heterocyclic carbon compound [i.e., O, S, N, Se, Te, as only ring hetero atom]
    • Y10T436/145555—Hetero-N
    • Y10T436/147777—Plural nitrogen in the same ring [e.g., barbituates, creatinine, etc.]

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
GB30676/66A 1965-07-13 1966-07-08 A method of and apparatus for determining the concentration of 1-phenyl-3-pyrazolidone in photographic developing solutions Expired GB1146910A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RO5000565 1965-07-13
CH1009366A CH463828A (fr) 1965-07-13 1966-07-11 Procédé et appareil pour la détermination rapide de la 1-phényl-3-pyrazolidone dans les solutions de révélateur

Publications (1)

Publication Number Publication Date
GB1146910A true GB1146910A (en) 1969-03-26

Family

ID=25705928

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30676/66A Expired GB1146910A (en) 1965-07-13 1966-07-08 A method of and apparatus for determining the concentration of 1-phenyl-3-pyrazolidone in photographic developing solutions

Country Status (5)

Country Link
US (1) US3407043A (enExample)
BE (1) BE684007A (enExample)
CH (1) CH463828A (enExample)
DE (1) DE1598275A1 (enExample)
GB (1) GB1146910A (enExample)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2590830A (en) * 1948-10-14 1952-03-25 Gen Aniline & Film Corp Emulsion sensitometry
US2980512A (en) * 1958-03-28 1961-04-18 Bayer Ag Continuously working plant colorimeter

Also Published As

Publication number Publication date
BE684007A (enExample) 1966-12-16
US3407043A (en) 1968-10-22
CH463828A (fr) 1968-10-15
DE1598275A1 (de) 1971-01-28

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