[go: up one dir, main page]

FR1305348A - Audible detector-alarm for the presence of carbon monoxide and all other gases containing it - Google Patents

Audible detector-alarm for the presence of carbon monoxide and all other gases containing it

Info

Publication number
FR1305348A
FR1305348A FR841334A FR841334A FR1305348A FR 1305348 A FR1305348 A FR 1305348A FR 841334 A FR841334 A FR 841334A FR 841334 A FR841334 A FR 841334A FR 1305348 A FR1305348 A FR 1305348A
Authority
FR
France
Prior art keywords
alarm
carbon monoxide
gases containing
audible detector
audible
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
FR841334A
Other languages
French (fr)
Inventor
Marcel Le Grevesse
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
Priority to FR841334A priority Critical patent/FR1305348A/en
Application granted granted Critical
Publication of FR1305348A publication Critical patent/FR1305348A/en
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
    • G01N21/783—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 for analysing gases

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)
FR841334A 1960-10-14 1960-10-14 Audible detector-alarm for the presence of carbon monoxide and all other gases containing it Expired FR1305348A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR841334A FR1305348A (en) 1960-10-14 1960-10-14 Audible detector-alarm for the presence of carbon monoxide and all other gases containing it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR841334A FR1305348A (en) 1960-10-14 1960-10-14 Audible detector-alarm for the presence of carbon monoxide and all other gases containing it

Publications (1)

Publication Number Publication Date
FR1305348A true FR1305348A (en) 1962-10-05

Family

ID=8740888

Family Applications (1)

Application Number Title Priority Date Filing Date
FR841334A Expired FR1305348A (en) 1960-10-14 1960-10-14 Audible detector-alarm for the presence of carbon monoxide and all other gases containing it

Country Status (1)

Country Link
FR (1) FR1305348A (en)

Similar Documents

Publication Publication Date Title
FR1511552A (en) Gas mixtures containing nitrous oxide
FR920163A (en) Production of carbon monoxide and gas mixtures containing it
FR1256640A (en) oxygen indicator electrode in molten halogenated media
BE603726A (en) Improvements to gas purification processes
FR1308844A (en) Apparatus for the detection of combustible gas
FR1436288A (en) Improvements in processes for preparing gas mixtures containing hydrogen and carbon monoxide
BE602103A (en) New ductile steels containing nitride and low carbon content
FR1305348A (en) Audible detector-alarm for the presence of carbon monoxide and all other gases containing it
FR978834A (en) Obtaining gas mixtures containing carbon monoxide and hydrogen
IT1082112B (en) PROCEDURE FOR PURIFYING HYDROGENATED GAS CONTAINING ACID GASES, AND APPLICATIONS OF THAT PROCEDURE
FR1208910A (en) Stabilizers for polymers and copolymers containing halogen
FR1209700A (en) Carbon monoxide production
FR1305048A (en) Interpolymerization of alpha-monoolefins and carbon monoxide
FR1239968A (en) Improvements in chemical processes for the purification of gases and gas mixtures
FR1153055A (en) Improvements in the reaction of hydrocarbons with gases containing oxygen
FR1185499A (en) Gas and smoke dust removal and purification device
FR74999E (en) Improvements to methods of detecting and measuring small quantities of water in the presence of gas
FR1147190A (en) Gas warning device
FR1298651A (en) Vapor and gas adsorption chamber
FR1335841A (en) Carbon monoxide presence indicator device
FR1188540A (en) Improvements concerning the oxidation of hydrocarbons
FR1316484A (en) Improvements in the evacuation and recovery of gases from oxygen-blown retorts
FR1181556A (en) Purification of gases containing nitrogen oxides
FR1262845A (en) Fuel gases containing azides
FR82272E (en) Improvements in the evacuation and recovery of gases from oxygen-blown retorts