GB/T 42490-2023

Active

Soil quality—Determination of total content and isotope ratio of organic carbon and nitrogen of soil and biological samples—Stable isotope ratio mass spectrometry

土壤质量土壤与生物样品中有机碳含量与碳同位素比值、全氮含量与氮同位素比值的测定稳定同位素比值质谱法

Standard Type

GBT

ICS

13.080.01

CCS

B10

Status

现行

Issue Date

2023-03-17

Implementation

2023-10-01

Responsible Dept

农业农村部

Drafting Unit

N/A

🔗 Related Standards / 同类标准

GB/Z 41359-2022 Soil quality—Determination of abundance and activity of soil microflora using respiration curves GB/Z 41358-2022 Biological test methods for comprehensive characterization of soil health GB/Z 170-2026 Soil quality—Measurement of enzyme activity patterns in soil samples—Using fluorogenic substrates in micro-well plates GB/T 11220.1-1989 Determination of uranium in soil--CL-5209 extractant-containing resin separation 2-(5-bromo-2-pyridylazo)-5-diethlaminophenol spectrophotometry GB/T 11219.1-1989 Determination of plutonium in soil--Extraction chromatography method GB/T 11219.2-1989 Determination of plutonium in soil--Ion exchange method GB/T 17140-1997 Soil quality--Determination of lead，cadmium--KI-MIBK extraction flame atomic absorption spectrophotometry GB/T 17139-1997 Soil quality--Determinationof nickel--Flame atomic absorption spectrophotometry