FR1576455A - - Google Patents

Info

Publication number
FR1576455A
FR1576455A FR1576455DA FR1576455A FR 1576455 A FR1576455 A FR 1576455A FR 1576455D A FR1576455D A FR 1576455DA FR 1576455 A FR1576455 A FR 1576455A
Authority
FR
France
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
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 filed Critical
Application granted granted Critical
Publication of FR1576455A publication Critical patent/FR1576455A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
FR1576455D 1967-05-09 1968-04-19 Expired FR1576455A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE698191 1967-05-09

Publications (1)

Publication Number Publication Date
FR1576455A true FR1576455A (fr) 1969-08-01

Family

ID=3850761

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1576455D Expired FR1576455A (fr) 1967-05-09 1968-04-19

Country Status (2)

Country Link
BE (1) BE698191A (fr)
FR (1) FR1576455A (fr)

Also Published As

Publication number Publication date
BE698191A (fr) 1967-10-16

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Legal Events

Date Code Title Description
ST Notification of lapse