JPS55451A - Method of measuring nitrogen in sample by kjeldahl principle and catalyst therefor - Google Patents

Method of measuring nitrogen in sample by kjeldahl principle and catalyst therefor

Info

Publication number
JPS55451A
JPS55451A JP12406478A JP12406478A JPS55451A JP S55451 A JPS55451 A JP S55451A JP 12406478 A JP12406478 A JP 12406478A JP 12406478 A JP12406478 A JP 12406478A JP S55451 A JPS55451 A JP S55451A
Authority
JP
Japan
Prior art keywords
sample
measuring nitrogen
catalyst therefor
kjeldahl
principle
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.)
Pending
Application number
JP12406478A
Other languages
English (en)
Inventor
Ruupaato Kurisutofuaase Suteen
Kurisuchiyan Biyaan Oore
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.)
N Foss Electric AS
Original Assignee
N Foss Electric AS
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 N Foss Electric AS filed Critical N Foss Electric AS
Publication of JPS55451A publication Critical patent/JPS55451A/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/18—Arsenic, antimony or bismuth
    • 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
    • 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

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
JP12406478A 1977-10-07 1978-10-06 Method of measuring nitrogen in sample by kjeldahl principle and catalyst therefor Pending JPS55451A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK445277A DK445277A (da) 1977-10-07 1977-10-07 Fremgangsmaade og katalysator til bestemmelse af nitrogen i en stofproeve efter kjeldahlprincippet

Publications (1)

Publication Number Publication Date
JPS55451A true JPS55451A (en) 1980-01-05

Family

ID=8133635

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12406478A Pending JPS55451A (en) 1977-10-07 1978-10-06 Method of measuring nitrogen in sample by kjeldahl principle and catalyst therefor

Country Status (6)

Country Link
US (1) US4229180A (ja)
EP (1) EP0001513B1 (ja)
JP (1) JPS55451A (ja)
CA (1) CA1129391A (ja)
DE (1) DE2860984D1 (ja)
DK (1) DK445277A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5950359A (ja) * 1982-09-14 1984-03-23 Nisshin Flour Milling Co Ltd 粗蛋白定量用錠剤型触媒
JPS60221539A (ja) * 1984-04-16 1985-11-06 Nippon Tungsten Co Ltd チタン系焼結合金の製造方法
US4666237A (en) * 1983-01-27 1987-05-19 British Telecommunications Public Limited Company Optical fibre terminations and methods of and apparatus for making optical fibre terminations
US4696537A (en) * 1979-10-25 1987-09-29 Allied Corporation Connector for fiber optic cables

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4645745A (en) * 1984-02-27 1987-02-24 Hach Company Digestion process
US4645746A (en) * 1986-01-06 1987-02-24 Hach Company Digestion process
SE508220C2 (sv) * 1997-01-29 1998-09-14 Foss Tecator Ab Förfarande vid bestämning av kväve enligt Kjeldahl
CN102495056A (zh) * 2011-11-16 2012-06-13 瓮福（集团）有限责任公司 硫碳铵混合溶液浓度的测定方法
WO2016171655A1 (en) 2015-04-20 2016-10-27 Halliburton Energy Services, Inc. Methods for quantifying nitrogen-containing compounds in subterranean treatment fluids

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB896082A (en) * 1957-11-20 1962-05-09 George Mitchell Morris Anti foaming and packaging material
CA718898A (en) * 1960-04-26 1965-09-28 B. Bream John Oxidation catalysts
BE619488A (ja) * 1961-07-19
GB995687A (en) * 1963-06-13 1965-06-23 Distillers Co Yeast Ltd Improvements in or relating to the production of conjugated diolefines
CA818485A (en) * 1964-03-21 1969-07-22 J. Gasson Edward Oxidation catalysts
US3335097A (en) * 1966-12-21 1967-08-08 Pillsbury Co Digestion catalyst
GB1195036A (en) * 1967-11-06 1970-06-17 Ici Ltd Ammoxidation of Hydrocarbons.
GB1286292A (en) * 1969-10-13 1972-08-23 Bp Chem Int Ltd Catalyst composition and oxidation processes using the same
DE2409205A1 (de) * 1973-03-01 1974-10-03 Nk Verwaltungs Ag Analysierapparat zur serienmaessigen bestimmung von stickstoff in stoffproben nach der kjeldahl-methode
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
GB1461284A (en) * 1974-02-19 1977-01-13 Vnii Reaktivov I Khim Chistykh Preparation of oxygen-containing compounds of antimony and another metal

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4696537A (en) * 1979-10-25 1987-09-29 Allied Corporation Connector for fiber optic cables
JPS5950359A (ja) * 1982-09-14 1984-03-23 Nisshin Flour Milling Co Ltd 粗蛋白定量用錠剤型触媒
US4666237A (en) * 1983-01-27 1987-05-19 British Telecommunications Public Limited Company Optical fibre terminations and methods of and apparatus for making optical fibre terminations
JPS60221539A (ja) * 1984-04-16 1985-11-06 Nippon Tungsten Co Ltd チタン系焼結合金の製造方法

Also Published As

Publication number Publication date
DK445277A (da) 1979-04-08
CA1129391A (en) 1982-08-10
DE2860984D1 (en) 1981-11-19
EP0001513A1 (en) 1979-04-18
US4229180A (en) 1980-10-21
EP0001513B1 (en) 1981-08-26

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