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Determining nitrogen by transformation into ammonia

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  • G01N31/002
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GPHYSICS G01Measuring instruments G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES G01N31/00Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup Apparatus specially adapted for such methods

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G01N31/002Determining nitrogen by transformation into ammonia
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for precisely determining protein content in edible fungus
    • Patent number 11,243,146
    • Issue date Feb 8, 2022
    • NANJING UNIVERSITY OF FINANCE & ECONOMICS
    • Wenjian Yang
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Sensitive detection of urea and related compounds in water
    • Patent number 7,662,637
    • Issue date Feb 16, 2010
    • GE Analytical Instruments
    • Richard D. Godec
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Method and apparatus for determining urea concentration
    • Patent number 7,153,693
    • Issue date Dec 26, 2006
    • Toyo Engineering Corporation
    • Yoshihiro Tajiri
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Process for determination of nitrogen
    • Patent number 6,287,868
    • Issue date Sep 11, 2001
    • Foss Tecator AB
    • Jan-Åke Persson
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Microwave-based Kjeldahl method
    • Patent number 4,946,797
    • Issue date Aug 7, 1990
    • CEM Corporation
    • Edwin D. Neas
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Digestion apparatus useful for a kjeldahl method
    • Patent number 4,882,286
    • Issue date Nov 21, 1989
    • CEM Corporation
    • Edwin D. Neas
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Microwave-based apparatus and Kjeldahl method
    • Patent number 4,861,556
    • Issue date Aug 29, 1989
    • CEM Corporation
    • Edwin D. Neas
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Digestion process
    • Patent number 4,645,745
    • Issue date Feb 24, 1987
    • Hach Company
    • Clifford C. Hach
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Digestion process
    • Patent number 4,645,746
    • Issue date Feb 24, 1987
    • Hach Company
    • Clifford C. Hach
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Process and catalyst for determining nitrogen in a sample according...
    • Patent number 4,229,180
    • Issue date Oct 21, 1980
    • A/S N. Foss Electric
    • Steen R. Christoffersen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Apparatus for determining small amounts of nitrogen
    • Patent number 4,081,345
    • Issue date Mar 28, 1978
    • Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.
    • Gunter Tolg
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Analytical apparatus for serial determination of nitrogen in sample...
    • Patent number 3,964,869
    • Issue date Jun 22, 1976
    • N.K. Verwaltungs AG
    • Poul Erik Aegidius
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Nitric oxide analysis and scrubber therefor
    • Patent number 3,934,991
    • Issue date Jan 27, 1976
    • Beckman Instruments, Inc.
    • John P. Frain
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3905770
    • Patent number 3,905,770
    • Issue date Sep 16, 1975
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3904366
    • Patent number 3,904,366
    • Issue date Sep 9, 1975
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3652227
    • Patent number 3,652,227
    • Issue date Mar 28, 1972
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3616273
    • Patent number 3,616,273
    • Issue date Oct 26, 1971
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3565583
    • Patent number 3,565,583
    • Issue date Feb 23, 1971
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3497322
    • Patent number 3,497,322
    • Issue date Feb 24, 1970
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3485723
    • Patent number 3,485,723
    • Issue date Dec 23, 1969
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Grant

    3461042
    • Patent number 3,461,042
    • Issue date Aug 12, 1969
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3449082
    • Patent number 3,449,082
    • Issue date Jun 10, 1969
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3432395
    • Patent number 3,432,395
    • Issue date Mar 11, 1969
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Grant

    3363990
    • Patent number 3,363,990
    • Issue date Jan 16, 1968
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    3335097
    • Patent number 3,335,097
    • Issue date Aug 8, 1967
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3241921
    • Patent number 3,241,921
    • Issue date Mar 22, 1966
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3178265
    • Patent number 3,178,265
    • Issue date Apr 13, 1965
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3174829
    • Patent number 3,174,829
    • Issue date Mar 23, 1965
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3103471
    • Patent number 3,103,471
    • Issue date Sep 10, 1963
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3020130
    • Patent number 3,020,130
    • Issue date Feb 6, 1962
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents