SE9700249L - Förfarande vid bestämning av kväve enligt Kjeldahl - Google Patents

Förfarande vid bestämning av kväve enligt Kjeldahl

Info

Publication number
SE9700249L
SE9700249L SE9700249A SE9700249A SE9700249L SE 9700249 L SE9700249 L SE 9700249L SE 9700249 A SE9700249 A SE 9700249A SE 9700249 A SE9700249 A SE 9700249A SE 9700249 L SE9700249 L SE 9700249L
Authority
SE
Sweden
Prior art keywords
steam
distillation
kjeldahl
procedure
nitrogen according
Prior art date
Application number
SE9700249A
Other languages
Unknown language ( )
English (en)
Other versions
SE9700249D0 (sv
SE508220C2 (sv
Inventor
Jan-Aake Persson
Original Assignee
Foss Tecator 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 Tecator Ab filed Critical Foss Tecator Ab
Priority to SE9700249A priority Critical patent/SE508220C2/sv
Publication of SE9700249D0 publication Critical patent/SE9700249D0/sv
Priority to PCT/SE1998/000090 priority patent/WO1998033065A1/en
Priority to EP98902325A priority patent/EP0960331B1/en
Priority to DE69836203T priority patent/DE69836203T2/de
Priority to JP53039498A priority patent/JP4248606B2/ja
Priority to ES98902325T priority patent/ES2275298T3/es
Priority to AU58881/98A priority patent/AU5888198A/en
Publication of SE9700249L publication Critical patent/SE9700249L/sv
Publication of SE508220C2 publication Critical patent/SE508220C2/sv
Priority to US09/362,722 priority patent/US6287868B1/en

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)
SE9700249A 1997-01-29 1997-01-29 Förfarande vid bestämning av kväve enligt Kjeldahl SE508220C2 (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE9700249A SE508220C2 (sv) 1997-01-29 1997-01-29 Förfarande vid bestämning av kväve enligt Kjeldahl
PCT/SE1998/000090 WO1998033065A1 (en) 1997-01-29 1998-01-22 Process for determination of nitrogen
EP98902325A EP0960331B1 (en) 1997-01-29 1998-01-22 Process for determination of nitrogen
DE69836203T DE69836203T2 (de) 1997-01-29 1998-01-22 Verfahren zur bestimmung des stickstoffgehaltes
JP53039498A JP4248606B2 (ja) 1997-01-29 1998-01-22 窒素定量法
ES98902325T ES2275298T3 (es) 1997-01-29 1998-01-22 Procedimiento para la determinacion de nitrogeno.
AU58881/98A AU5888198A (en) 1997-01-29 1998-01-22 Process for determination of nitrogen
US09/362,722 US6287868B1 (en) 1997-01-29 1999-07-29 Process for determination of nitrogen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9700249A SE508220C2 (sv) 1997-01-29 1997-01-29 Förfarande vid bestämning av kväve enligt Kjeldahl

Publications (3)

Publication Number Publication Date
SE9700249D0 SE9700249D0 (sv) 1997-01-29
SE9700249L true SE9700249L (sv) 1998-07-30
SE508220C2 SE508220C2 (sv) 1998-09-14

Family

ID=20405550

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9700249A SE508220C2 (sv) 1997-01-29 1997-01-29 Förfarande vid bestämning av kväve enligt Kjeldahl

Country Status (8)

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

Families Citing this family (9)

* 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
CN104969066A (zh) * 2013-02-04 2015-10-07 奥普斯公司 用于滴定的方法和设备
GB2553687B (en) * 2015-04-20 2020-11-18 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
CN117007735B (zh) * 2023-09-14 2026-01-23 山东阳谷华泰化工股份有限公司 一种自动定氮仪测定γ-氨丙基三乙氧基硅烷纯度的方法

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
NL278868A (sv) * 1961-05-25
NL133962C (sv) * 1963-09-23
US3335097A (en) * 1966-12-21 1967-08-08 Pillsbury Co Digestion catalyst
SE372102B (sv) * 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
US5668014A (en) * 1994-06-06 1997-09-16 Kabushiki Kaisha Meidensha Device and method for estimating three nitrogen-including ionic substances in water

Also Published As

Publication number Publication date
AU5888198A (en) 1998-08-18
DE69836203D1 (de) 2006-11-30
ES2275298T3 (es) 2007-06-01
DE69836203T2 (de) 2007-08-23
JP4248606B2 (ja) 2009-04-02
JP2001508867A (ja) 2001-07-03
SE9700249D0 (sv) 1997-01-29
EP0960331B1 (en) 2006-10-18
WO1998033065A1 (en) 1998-07-30
EP0960331A1 (en) 1999-12-01
US6287868B1 (en) 2001-09-11
SE508220C2 (sv) 1998-09-14

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Legal Events

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