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Chinese Standard: GB/T 42488-2023

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Soil quality—Determination of nitrogen-15 abundance of inorganic nitrogen in soil—Stable isotope ratio mass spectrometry


Standard in brief
Scope of Application:  
本文件描述了使用微量气体预浓缩同位素比值质谱联用仪(TGCIRMS)测定土壤中三种无机态氮(铵态氮NH4+、硝态氮NO3-和亚硝态NO2-)15N丰度的方法。本文件适用于15N示踪试验(f15N≤30%)后混合均匀的土壤。本文件对土壤中铵态氮的定量限为6 mg/kg,硝态氮的定量限为3 mg/kg,亚硝态氮的定量限为0.15 mg/kg。

Basic information
Standard No:GB/T 42488-2023
Standard Name: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
English Name:Soil quality—Determination of nitrogen-15 abundance of inorganic nitrogen in soil—Stable isotope ratio mass spectrometry
Standard Status:现行
Release Date:2023-03-17
Effective Date:2023-10-01
Language of Publication:中文简体

Standard Classification
ICS Number:13.080.01
CCS Number:B10

Related Standards
Referenced Standards:GB/T 6379.2,GB/T 6682,GB/T 37885,ISO/TS 14256-1:2003

Publication Information
Number of pages:16
Number of words:29 K
Format:大16
Edition:1
Color Pages:0
Electronic Version:Yes
Color Images:No
Print Publication Date:2023-03-01

Standard Revision Information
Has Amendment:No

Other Information
Application Dept:国家市场监督管理总局、国家标准化管理委员会
Standard Type:CN
Standard Attribute:GB
Other Standard Number:42488
Drafter:曹亚澄、王曦、孙晓丽、张晗、袁红朝、温腾、张莉、杨禄、贺珍、张珮仪、杨帆、魏来、查明霞、侯月丽
Drafting Organization:中国科学院南京土壤研究所、中国科学院城市环境研究所、中国科学院亚热带农业生态研究所、南京师范大学、上海交通大学、北京科荟测试技术有限公司、江苏省质量和标准化研究院
Management Organization:全国土壤质量标准化技术委员会(SAC/TC 404)
Proposing Department:中华人民共和国农业农村部

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