T/YJHX 0001-2024 Active Group standards

T/YJHX 0001-2024 The determination of radioactivity in ceramic processes using non-destructive testing methods

Publish Date: 2024-01-04 Implement Date: 2024-01-09 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: T/YJHX 0001-2024

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Building materials

ICS Name: Ceramics Comprehensive

Publish Date: 2024-01-04

Implement Date: 2024-01-09

Scope

Scope: This document specifies a non-destructive testing method for analyzing the activity concentration of γ radioactive nuclides in process ceramics using a high-purity germanium (HPGe) γ-ray spectrometer. This document is applicable to the measurement of the activity concentration of γ radioactive nuclides in all types of process ceramics; Main technical content: This method does not pre-process the process ceramic samples, and directly measures them using an HPGe spectrometer to obtain the characteristic γ-ray full-energy peak positions and net peak areas of the samples. Based on the energy calibration, the types of γ radioactive nuclides can be qualitatively identified. Based on the full-energy peak efficiency coefficients fitted by the passive efficiency calibration method, the γ-ray emission probability, the sample mass (or volume) and other correction parameters, the activity concentration of γ radioactive nuclides in the samples can be quantitatively calculated.

Development Information

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