FR2444273A1 - Tube indicateur pour le dosage de cyanures metalliques presents sous forme d'aerosols - Google Patents

Tube indicateur pour le dosage de cyanures metalliques presents sous forme d'aerosols

Info

Publication number
FR2444273A1
FR2444273A1 FR7931182A FR7931182A FR2444273A1 FR 2444273 A1 FR2444273 A1 FR 2444273A1 FR 7931182 A FR7931182 A FR 7931182A FR 7931182 A FR7931182 A FR 7931182A FR 2444273 A1 FR2444273 A1 FR 2444273A1
Authority
FR
France
Prior art keywords
determination
indicator tube
aerosol form
metal cyanides
indicator
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.)
Granted
Application number
FR7931182A
Other languages
English (en)
Other versions
FR2444273B1 (fr
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.)
Draegerwerk AG and Co KGaA
Original Assignee
Draegerwerk AG and Co KGaA
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 Draegerwerk AG and Co KGaA filed Critical Draegerwerk AG and Co KGaA
Publication of FR2444273A1 publication Critical patent/FR2444273A1/fr
Application granted granted Critical
Publication of FR2444273B1 publication Critical patent/FR2444273B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
    • G01N31/223—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating presence of specific gases or aerosols
    • G01N31/224—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating presence of specific gases or aerosols for investigating presence of dangerous gases
    • 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
    • Y10T436/17—Nitrogen containing
    • Y10T436/172307—Cyanide or isocyanide

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Molecular Biology (AREA)
  • Dispersion Chemistry (AREA)
  • Biophysics (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

Abstract

Ce tube indicateur est caractérisé en ce qu'il contient dans un tube de verre 2 muni de façon connue d'extrémités pointues cassables, une couche d'amont 1 formée d'une matière support imprégnée d'un acide minéral fort approprié choisi parmi l'acide sulfurique et l'acide phosphorique et une couche indicatrice 5 disposée en aval et formée d'une matière support imprégnée de chlorure mercurique HgCl2 et de rouge de méthyle.
FR7931182A 1978-12-16 1979-12-12 Tube indicateur pour le dosage de cyanures metalliques presents sous forme d'aerosols Granted FR2444273A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2854421A DE2854421B1 (de) 1978-12-16 1978-12-16 Pruefroehrchen zur quantitativen Bestimmung von aerosolfoermigen Metallcyaniden

Publications (2)

Publication Number Publication Date
FR2444273A1 true FR2444273A1 (fr) 1980-07-11
FR2444273B1 FR2444273B1 (fr) 1984-05-11

Family

ID=6057399

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7931182A Granted FR2444273A1 (fr) 1978-12-16 1979-12-12 Tube indicateur pour le dosage de cyanures metalliques presents sous forme d'aerosols

Country Status (6)

Country Link
US (1) US4271125A (fr)
JP (1) JPS5583852A (fr)
DE (1) DE2854421B1 (fr)
FR (1) FR2444273A1 (fr)
GB (1) GB2038477B (fr)
NL (1) NL7905750A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309385A (en) * 1979-01-26 1982-01-05 Nippon Sanso K.K. Apparatus for measuring volatile hydrides
DE2942673B1 (de) * 1979-10-23 1981-05-07 Drägerwerk AG, 2400 Lübeck Pruefroehrchen zur Messung von Kupfer-Aerosolen
DE2942674B1 (de) * 1979-10-23 1981-05-07 Drägerwerk AG, 2400 Lübeck Pruefroehrchen zur Messung von Nickel-Aerosolen
US4404287A (en) * 1980-11-25 1983-09-13 Central Electricity Generating Board Of Sudbury House Method and apparatus for determining chemical species
DE3217832C2 (de) * 1982-05-12 1984-10-11 Drägerwerk AG, 2400 Lübeck Prüfröhrchen zur Messung von Gasen
US4489164A (en) * 1982-08-30 1984-12-18 Mine Safety Appliances Company Colorimetric method for detecting aldehydes in air
DE3503234C1 (de) * 1985-01-31 1986-04-03 Drägerwerk AG, 2400 Lübeck Kolorimetrisches Gasdiffusions-Prüfröhrchen
US5071768A (en) * 1985-06-14 1991-12-10 Carrier Corporation Method and apparatus for refrigerant testing in a closed system
US4923806A (en) * 1985-06-14 1990-05-08 Carrier Corporation Method and apparatus for refrigerant testing in a closed system
DE3542780C1 (de) * 1985-12-04 1991-07-04 Auergesellschaft Gmbh Pruefroehrchen
JP6080651B2 (ja) * 2013-03-29 2017-02-15 新コスモス電機株式会社 ガス検知装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1143818A (fr) * 1900-01-01
GB1017597A (en) * 1961-09-21 1966-01-19 Drager Otto H Improvements in or relating to pumps for use in testing gases

Also Published As

Publication number Publication date
DE2854421B1 (de) 1980-03-27
NL7905750A (nl) 1980-06-18
FR2444273B1 (fr) 1984-05-11
JPS5583852A (en) 1980-06-24
GB2038477B (en) 1982-12-01
GB2038477A (en) 1980-07-23
US4271125A (en) 1981-06-02

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Legal Events

Date Code Title Description
ST Notification of lapse