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FR1516307A - Procédé et dispositif pour l'analyse quantitative automatique de l'azote - Google Patents

Procédé et dispositif pour l'analyse quantitative automatique de l'azote

Info

Publication number
FR1516307A
FR1516307A FR95857A FR95857A FR1516307A FR 1516307 A FR1516307 A FR 1516307A FR 95857 A FR95857 A FR 95857A FR 95857 A FR95857 A FR 95857A FR 1516307 A FR1516307 A FR 1516307A
Authority
FR
France
Prior art keywords
nitrogen
quantitative analysis
automatic quantitative
automatic
analysis
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
FR95857A
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.)
Standard Oil Co
Original Assignee
Standard Oil Co
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 Standard Oil Co filed Critical Standard Oil Co
Application granted granted Critical
Publication of FR1516307A publication Critical patent/FR1516307A/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
    • 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
    • G01N31/002—Determining nitrogen by transformation into ammonia, e.g. KJELDAHL method
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/42—Measuring deposition or liberation of materials from an electrolyte; Coulometry, i.e. measuring coulomb-equivalent of material in an electrolyte
    • G01N27/44—Measuring deposition or liberation of materials from an electrolyte; Coulometry, i.e. measuring coulomb-equivalent of material in an electrolyte using electrolysis to generate a reagent, e.g. for titration
    • 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
    • Y10T436/11—Automated chemical analysis
    • Y10T436/115831—Condition or time responsive
    • Y10T436/116664—Condition or time responsive with automated titrator
    • 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
    • Y10T436/176152—Total nitrogen determined

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
FR95857A 1966-02-21 1967-02-21 Procédé et dispositif pour l'analyse quantitative automatique de l'azote Expired FR1516307A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52873266A 1966-02-21 1966-02-21

Publications (1)

Publication Number Publication Date
FR1516307A true FR1516307A (fr) 1968-03-08

Family

ID=24106931

Family Applications (1)

Application Number Title Priority Date Filing Date
FR95857A Expired FR1516307A (fr) 1966-02-21 1967-02-21 Procédé et dispositif pour l'analyse quantitative automatique de l'azote

Country Status (3)

Country Link
US (1) US3461042A (fr)
FR (1) FR1516307A (fr)
GB (1) GB1149832A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5338957B2 (fr) * 1972-12-11 1978-10-18
US3964869A (en) * 1973-03-01 1976-06-22 N.K. Verwaltungs Ag Analytical apparatus for serial determination of nitrogen in samples by the Kjeldahl method
US3929587A (en) * 1974-09-23 1975-12-30 Delta F Corp Apparatus and method for maintaining a stable electrolyte in oxygen analysis
DE2534773A1 (de) * 1975-08-04 1977-02-17 Max Planck Gesellschaft Verfahren und vorrichtung zur direkten mikrobestimmung und spurenbestimmung von stickstoff in diesen enthaltenden substanzen
US4348359A (en) * 1980-07-16 1982-09-07 Mitsubishi Chemical Industries, Limited Device for determining various types of trace nitrogen
US4409080A (en) * 1981-06-18 1983-10-11 Texaco Inc. System for monitoring a cathodically protected structure
US4929314A (en) * 1989-07-07 1990-05-29 The Dow Chemical Company Coulometric titrator apparatus and method
CA2165827A1 (fr) * 1993-06-22 1995-01-05 John Vincent Dobson Detecteur electrochimique

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2758079A (en) * 1950-03-29 1956-08-07 Leeds & Northrup Co Electrolytic determination of the concentration of a constituent in a fluid
US2832734A (en) * 1952-02-14 1958-04-29 Leeds & Northrup Co Coulometric systems
US2954336A (en) * 1957-07-30 1960-09-27 Standard Oil Co Universal titrating agent generator

Also Published As

Publication number Publication date
US3461042A (en) 1969-08-12
GB1149832A (en) 1969-04-23

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