GB/T 42488-2023
ActiveSoil quality—Determination of nitrogen-15 abundance of inorganic nitrogen in soil—Stable isotope ratio mass spectrometry
土壤质量 土壤中无机态氮15N丰度的测定 稳定同位素比值质谱法
Application Summary AI generated
This standard specifies the method for determining the abundance of the stable isotope nitrogen-15 (¹⁵N) in inorganic nitrogen forms (such as ammonium and nitrate) extracted from soil samples, using stable isotope ratio mass spectrometry. It is applied in environmental monitoring, agricultural research, and soil science to trace nitrogen cycling, assess fertilizer use efficiency, and study pollution sources. The standard ensures accurate and comparable measurements for soil quality assessments and ecological studies.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.