Nitrogen, Total Kjeldahl (TKN)


ALS Environmental may or may not test for Nitrogen, Total Kjeldahl (TKN) (CAS # 7727-37-9). Information is subject to change; please contact us for the latest available analytes for which we test.

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CAS 7727-37-9 - Nitrogen, Total Kjeldahl (TKN)

Analyte:  Nitrogen, Total Kjeldahl (TKN)

Alternate Name:  Total Kjeldahl Nitrogen

Abbreviation:  TKN

CAS Number or ID:  7727-37-9

Department:  Wet

EC Number (EINECS):  7727-37-9

Synonyms:  Nitrogen gas;N2;UN 1066;UN 1977;Dinitrogen;Molecular nitrogen;Diatomic nitrogen;Diazyne

Chemical Formula:  N2

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Laboratory tests that may be available by ALS - Columbia for Nitrogen, Total Kjeldahl (TKN) (CAS # 7727-37-9):

EPA MethodTest NameMatrixMRLInstrument
EPA 350.1/351.4Nitrogen, Total Organic (By Difference Calculation)Liquid0.25 Calculator
EPA 350.1/351.4Nitrogen, Total Organic (By Difference Calculation)Solid25 Calculator
EPA 351.2Dissolved Nitrogen, Kjeldahl, Total (Colorimetric, Semi-Automated Digester, AAII)Liquid0.1 Discrete-FIA
EPA 351.2Dissolved Nitrogen, Kjeldahl, Total (Colorimetric, Semi-Automated Digester, AAII)Liquid0.2 Discrete-FIA
EPA 351.2Nitrogen, Kjeldahl, Total (Colorimetric, Semi-Automated Digester, AAII)Drinking Water0.2 Discrete-FIA
EPA 351.2Nitrogen, Kjeldahl, Total (Colorimetric, Semi-Automated Digester, AAII)Liquid0.08 Discrete-FIA
EPA 351.2Nitrogen, Kjeldahl, Total (Colorimetric, Semi-Automated Digester, AAII)Liquid0.1 Discrete-FIA
EPA 351.2Nitrogen, Kjeldahl, Total (Colorimetric, Semi-Automated Digester, AAII)Liquid0.2 Discrete-FIA
EPA 351.2Nitrogen, Kjeldahl, Total (Colorimetric, Semi-Automated Digester, AAII)NonAq Liquid20 Discrete-FIA
EPA 351.2Nitrogen, Kjeldahl, Total (Colorimetric, Semi-Automated Digester, AAII)Solid20 Discrete-FIA
351.2 ModifiedNitrogen, Kjeldahl, Total (Colorimetric, Semi-Automated Digester, AAII) Modified for MatrixSolid20 Discrete-FIA
351.2 ModifiedSPLP Nitrogen, Kjeldahl, Total (Colorimetric, Semi-Automated Digester, AAII) Modified for PrepSolid0.2 Discrete-FIA
EPA 351.2/353.2Nitrogen, Total (Calculation)Liquid0.05 Calculator
EPA 351.4Nitrogen, Kjeldahl, Total (Potentiometric, Ion Selective Electrode)Liquid0.2 ISE
EPA 351.4Nitrogen, Kjeldahl, Total (Potentiometric, Ion Selective Electrode)Solid20 ISE
ASTM D1426-93BTotal Kjeldahl Nitrogen with DistillationLiquid0.2 ISE
ASTM D1426-93B ModifTotal Kjeldahl Nitrogen, Digestion/Distillation, Modified for MatrixSolid40 ISE

More analytical test methods may be available for Nitrogen, Total Kjeldahl (TKN). Please contact us for the latest available analytes and methods.



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Related Analytes (Total Kjeldahl Nitrogen):
Nitrogen, Total Kjeldahl (TKN), Dissolved    Nitrogen, Total Kjeldahl (TKN), SPLP   


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