FR2321122A1 - METHOD AND APPARATUS FOR PRODUCING TRACES OF GASEOUS HYDROCYAN ACID FOR THE CONTROL AND CALIBRATION OF ANALYSIS EQUIPMENT - Google Patents

METHOD AND APPARATUS FOR PRODUCING TRACES OF GASEOUS HYDROCYAN ACID FOR THE CONTROL AND CALIBRATION OF ANALYSIS EQUIPMENT

Info

Publication number
FR2321122A1
FR2321122A1 FR7624817A FR7624817A FR2321122A1 FR 2321122 A1 FR2321122 A1 FR 2321122A1 FR 7624817 A FR7624817 A FR 7624817A FR 7624817 A FR7624817 A FR 7624817A FR 2321122 A1 FR2321122 A1 FR 2321122A1
Authority
FR
France
Prior art keywords
hydrocyan
gaseous
calibration
acid
control
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.)
Withdrawn
Application number
FR7624817A
Other languages
French (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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of FR2321122A1 publication Critical patent/FR2321122A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C3/00—Cyanogen; Compounds thereof
    • C01C3/02—Preparation, separation or purification of hydrogen cyanide
    • C01C3/0204—Preparation, separation or purification of hydrogen cyanide from formamide or from ammonium formate
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0006—Calibrating gas analysers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Toxicology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Sampling And Sample Adjustment (AREA)
FR7624817A 1975-08-14 1976-08-13 METHOD AND APPARATUS FOR PRODUCING TRACES OF GASEOUS HYDROCYAN ACID FOR THE CONTROL AND CALIBRATION OF ANALYSIS EQUIPMENT Withdrawn FR2321122A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752536241 DE2536241C3 (en) 1975-08-14 1975-08-14 Method and device for generating hydrogen cyanide gas with a preselectable concentration for checking and calibrating gas analyzers

Publications (1)

Publication Number Publication Date
FR2321122A1 true FR2321122A1 (en) 1977-03-11

Family

ID=5953975

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7624817A Withdrawn FR2321122A1 (en) 1975-08-14 1976-08-13 METHOD AND APPARATUS FOR PRODUCING TRACES OF GASEOUS HYDROCYAN ACID FOR THE CONTROL AND CALIBRATION OF ANALYSIS EQUIPMENT

Country Status (9)

Country Link
JP (1) JPS5235800A (en)
BE (1) BE845141A (en)
DE (1) DE2536241C3 (en)
DK (1) DK366476A (en)
FR (1) FR2321122A1 (en)
GB (1) GB1491190A (en)
LU (1) LU75591A1 (en)
NL (1) NL7608978A (en)
SE (1) SE7609039L (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0370870A1 (en) * 1988-11-21 1990-05-30 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for producing low-concentration gas mixtures, and apparatus for producing the same
EP0370151A1 (en) * 1988-11-21 1990-05-30 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for producing low-concentration gas mixtures, and apparatus for producing the same

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4716055A (en) * 1985-08-05 1987-12-29 Basf Corporation Conductive fiber and method of making same
DE4425889C2 (en) * 1994-07-11 1997-07-31 Compur Monitors Sensor Technol Method and device for checking gas sensors and application or use of the same
US7713742B2 (en) * 2006-02-02 2010-05-11 Tekran Instruments Corporation Calibration gas delivery apparatus
CN108254497A (en) * 2017-12-22 2018-07-06 河南省日立信股份有限公司 The gas-monitoring meter locale method of calibration of cell phone application control

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NV2357/75 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0370870A1 (en) * 1988-11-21 1990-05-30 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for producing low-concentration gas mixtures, and apparatus for producing the same
EP0370151A1 (en) * 1988-11-21 1990-05-30 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for producing low-concentration gas mixtures, and apparatus for producing the same
US5054309A (en) * 1988-11-21 1991-10-08 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for producing low-concentration gas mixtures, and apparatus for producing the same

Also Published As

Publication number Publication date
NL7608978A (en) 1977-02-16
DE2536241A1 (en) 1977-02-17
LU75591A1 (en) 1977-04-22
JPS5235800A (en) 1977-03-18
SE7609039L (en) 1977-02-15
GB1491190A (en) 1977-11-09
DE2536241C3 (en) 1980-01-31
DE2536241B2 (en) 1979-05-10
DK366476A (en) 1977-02-15
BE845141A (en) 1977-02-14

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Legal Events

Date Code Title Description
ST Notification of lapse