This International Standard specifies a method for the determination of carbon and nitrogen in soils by direct measurement of sample spectra in the near-infrared spectral region. The spectra are evaluated by a suitable calibration model derived from the results obtained by reference methods.
GSO ISO 17184:2016 history
2016GSO ISO 17184:2016 Soil quality -- Determination of carbon and nitrogen by near-infrared spectrometry (NIRS)