SH/T 0683-1999
Active
GB/T 46420-2025
Active
National standards
GB/T 46420-2025 (U-Th)/He isotope determination and age calculation method of apatite and zircon
GB/T 46420-2025 (U-Th)/He isotope determination and age calculation method of apatite and zircon
Price:
$ 44.00
Basic Information
Standard Code:
GB/T 46420-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Oil geological exploration
ICS Name:
Integrated oil and related technologies
Publish Date:
2025-10-05
Implement Date:
2026-05-01
Pages:
20 pages
Scope
This document describes the methods for determining uranium, thorium, and helium isotopes in apatite and zircon, as well as the age calculation methods, and specifies the corresponding quality requirements.
This document is applicable to the determination and age calculation of uranium, thorium, and helium isotopes in apatite and zircon.
Development Information
Referenced Standards
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