DE69836203D1 - Verfahren zur bestimmung des stickstoffgehaltes - Google Patents

Verfahren zur bestimmung des stickstoffgehaltes

Info

Publication number
DE69836203D1
DE69836203D1 DE69836203T DE69836203T DE69836203D1 DE 69836203 D1 DE69836203 D1 DE 69836203D1 DE 69836203 T DE69836203 T DE 69836203T DE 69836203 T DE69836203 T DE 69836203T DE 69836203 D1 DE69836203 D1 DE 69836203D1
Authority
DE
Germany
Prior art keywords
determining
nitrogen content
nitrogen
content
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 - Lifetime
Application number
DE69836203T
Other languages
English (en)
Other versions
DE69836203T2 (de
Inventor
Jan-Ke Persson
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.)
Foss Analytical AB
Original Assignee
Foss Analytical AB
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 Foss Analytical AB filed Critical Foss Analytical AB
Application granted granted Critical
Publication of DE69836203D1 publication Critical patent/DE69836203D1/de
Publication of DE69836203T2 publication Critical patent/DE69836203T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (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)
DE69836203T 1997-01-29 1998-01-22 Verfahren zur bestimmung des stickstoffgehaltes Expired - Lifetime DE69836203T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9700249A SE508220C2 (sv) 1997-01-29 1997-01-29 Förfarande vid bestämning av kväve enligt Kjeldahl
SE9700249 1997-01-29
PCT/SE1998/000090 WO1998033065A1 (en) 1997-01-29 1998-01-22 Process for determination of nitrogen

Publications (2)

Publication Number Publication Date
DE69836203D1 true DE69836203D1 (de) 2006-11-30
DE69836203T2 DE69836203T2 (de) 2007-08-23

Family

ID=20405550

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69836203T Expired - Lifetime DE69836203T2 (de) 1997-01-29 1998-01-22 Verfahren zur bestimmung des stickstoffgehaltes

Country Status (8)

Country Link
US (1) US6287868B1 (de)
EP (1) EP0960331B1 (de)
JP (1) JP4248606B2 (de)
AU (1) AU5888198A (de)
DE (1) DE69836203T2 (de)
ES (1) ES2275298T3 (de)
SE (1) SE508220C2 (de)
WO (1) WO1998033065A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1018545C2 (nl) * 2001-07-13 2003-01-14 Energieonderzoek Ct Nederland Stikstofbepaling.
KR100882770B1 (ko) * 2008-05-27 2009-02-10 (주)한일랩테크 킬달 증류 장치의 동작 방법
CN102353574B (zh) * 2011-07-14 2014-03-26 安徽省电力科学研究院 一种阳离子交换树脂中铁含量的分析方法
US20160003750A1 (en) * 2013-02-04 2016-01-07 Opsis Ab Method and apparatus for titration
CA2979678A1 (en) 2015-04-20 2016-10-27 Halliburton Energy Services, Inc. Methods for quantifying nitrogen-containing compounds in subterranean treatment fluids
CN106645560A (zh) * 2017-01-09 2017-05-10 沈阳伟嘉牧业技术有限公司 一种阿苯达唑硝氯酚片总氮量的测定方法
CN108802264A (zh) * 2018-07-09 2018-11-13 天津华勘商品检验有限公司 一种凯氏定氮仪测定增碳剂中氮的检测方法
CN109939761A (zh) * 2019-04-10 2019-06-28 上海纤检仪器有限公司 一种用于定氮仪倒流吸废液的回流瓶装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2820699A (en) * 1954-04-30 1958-01-21 George M Morris Anti-foaming material
NL133959C (de) * 1961-05-25
NL298225A (de) * 1963-09-23
US3335097A (en) * 1966-12-21 1967-08-08 Pillsbury Co Digestion catalyst
SE372102B (de) * 1972-09-15 1974-12-09 Tecator Instr Ab
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
DK445277A (da) * 1977-10-07 1979-04-08 Foss Electric As Fremgangsmaade og katalysator til bestemmelse af nitrogen i en stofproeve efter kjeldahlprincippet
US4645745A (en) * 1984-02-27 1987-02-24 Hach Company Digestion process
US4645746A (en) * 1986-01-06 1987-02-24 Hach Company Digestion process
FR2720830B1 (fr) * 1994-06-06 1998-04-10 Meidensha Electric Mfg Co Ltd Dispositif et méthode pour estimer trois substances ioniques incluant de l'azote dans de l'eau.

Also Published As

Publication number Publication date
DE69836203T2 (de) 2007-08-23
US6287868B1 (en) 2001-09-11
JP4248606B2 (ja) 2009-04-02
SE9700249D0 (sv) 1997-01-29
SE9700249L (sv) 1998-07-30
EP0960331A1 (de) 1999-12-01
AU5888198A (en) 1998-08-18
ES2275298T3 (es) 2007-06-01
EP0960331B1 (de) 2006-10-18
WO1998033065A1 (en) 1998-07-30
JP2001508867A (ja) 2001-07-03
SE508220C2 (sv) 1998-09-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition