GB/T 9079-1988
Abolished
DB35/T 2006-2021
Active
Fujian ProvinceLocal standards
DB35/T 2006-2021 Nitrate nitrogen isotope determination in water: Chemical transformation method
DB35/T 2006-2021 Nitrate nitrogen isotope determination in water: Chemical transformation method
Basic Information
Standard Code:
DB35/T 2006-2021
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nPollutant emission standards
ICS Name:
\nFixed source emission limits
Publish Date:
2021-09-28
Implement Date:
2021-12-28
Pages:
12 pages
Scope
This document specifies the methodological principles, interference and elimination, reagents and materials, instruments and equipment, sample collection and preservation, analysis steps, result calculation, precision and accuracy, quality assurance and quality control for the determination of nitrate nitrogen isotopes in water by chemical conversion. This document is applicable to the determination of nitrate nitrogen isotope composition in surface water, groundwater, and seawater.
Development Information
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