GB/T 46693-2025 Active National standards

GB/T 46693-2025 Method for the determination of isotopic composition and concentration of dissolved noble gas in water

Publish Date: 2025-10-31 Implement Date: 2026-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 46693-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Nuclear materials and nuclear fuels

ICS Name: Other standards related to nuclear energy

Publish Date: 2025-10-31

Implement Date: 2026-05-01

Pages: 20 pages

Scope

This document describes the method for determining the isotopic composition and content of dissolved rare gases (helium, neon, argon, krypton, and xenon) in water.
This document is applicable to the determination of the isotopic composition and content of dissolved rare gases in water in the nuclear energy field, such as cooling water in nuclear reactors, hydrogeochemical samples of uranium resources, and submerged or pressurized water. Other types of methods for determining the isotopic composition and content of dissolved rare gases in water should be implemented in accordance with this document.