Ratio mass spectrometry
Ratio mass spectrometry, Total:3 items.
The international standard classification for "Ratio mass spectrometry" includes: Soil quality and pedology in general .
The Chinese standard classification for "Ratio mass spectrometry" includes: Soil and fertilizer in general .
Professional Standard - Agriculture
- NY/T 4610-2025 Determination of stable isotope ratios (carbon, nitrogen, hydrogen, and oxygen) in plant-based agricultural products Stable Isotope Ratio Mass Spectrometry
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 42488-2023 Soil quality—Determination of nitrogen-15 abundance of inorganic nitrogen in soil—Stable isotope ratio mass spectrometry
- GB/T 42490-2023 Soil quality—Determination of total content and isotope ratio of organic carbon and nitrogen of soil and biological samples—Stable isotope ratio mass spectrometry
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