This International Standard specifies a method for the determination of carbon and nitrogen in soil by direct measurement of sample spectra in the near-infrared spectral region. The spectra are evaluated using an appropriate calibration model derived from the results obtained by reference methods.
EN ISO 17184:2014 Referenced Document
ISO 10694:1995 Soil quality - Determination of organic and total carbon after dry combustion (elementary analysis)
ISO 11261:1995 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
ISO 11464:2006 Soil quality - Pretreatment of samples for physico-chemical analysis
ISO 12099:2010 Animal feeding stuffs, cereals and milled cereal products - Guidelines for the application of near infrared spectrometry
ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis")
ISO 14235:1998 Soil quality - Determination of organic carbon by sulfochromic oxidation
ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results - Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
EN ISO 17184:2014 history
2014EN ISO 17184:2014 Soil quality - Determination of carbon and nitrogen by near-infrared spectrometry (NIRS)