GB/T 42490-2023 Soil quality Organic carbon content and carbon isotope ratio, total nitrogen content in soil and biological samples
GB/T 42490-2023 Soil quality Organic carbon content and carbon isotope ratio, total nitrogen content in soil and biological samples, Total:8 items.
The international standard classification for "GB/T 42490-2023 Soil quality Organic carbon content and carbon isotope ratio, total nitrogen content in soil and biological samples" includes: Soil quality and pedology in general .
The Chinese standard classification for "GB/T 42490-2023 Soil quality Organic carbon content and carbon isotope ratio, total nitrogen content in soil and biological samples" includes: Soil and fertilizer in general .
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
Group Standards of the People's Republic of China
- T/HNNMIA 87-2023 Determination of organic matter content in soil and sediments - High frequency infrared carbon-sulfur analyzer method
VN-TCVN
- TCVN 7376-2004 Soils quality.Index values of total organic carbon content in the soils of Vietnam
Association Francaise de Normalisation
- NF X31-115:2001 Soil quality - Sampling and storage of soil samples in view of determination of mineral nitrogen on fresh soil.
- NF X31-409*NF ISO 10694:1995 Soil quality. Determination of organic and total carbon after dry combustion (elementary analysis).
Indonesia Standards
- SNI 13-6793-2002 Test methods for moisture, ash, and organic matter of peat and other organic soils
European Committee for Standardization (CEN)
- EN 13039:1999 Soil Improvers and Growing Media - Determination of Organic Matter Content and Ash
