EJ/T 20191-2018 Active

EJ/T 20191-2018 Radiogenic metal waste plutonium alpha activity concentration determination using TiOA extraction-liquid-scintillation method

This standard specifies the method for determining the α activity concentration of Pu in radioactive metal waste using the extraction-liquid scintillation measurement method with triisooctylamine (TiOA), including requirements for reagents, instruments and equipment, experimental procedures, data processing, and precision. This standard is applicable to the analysis and determination of the α activity concentration of Pu in radioactively contaminated carbon steel and stainless steel waste. The analysis and determination of the α activity concentration of Pu in other radioactive metal waste can be carried out with reference to this standard.

Publish Date: 2018-01-18

EJ/T 20188-2018 Active

EJ/T 20188-2018 Low-level organic waste liquid beta activity concentration determination using beta counting method

This standard specifies the method for measuring the total beta activity concentration in low-level organic waste liquids by evaporation, including requirements for reagents, instruments and equipment, experimental procedures, data processing, and precision. This standard is applicable to the analysis and determination of the total beta activity concentration in low-level TBP/OK organic waste liquids.

Publish Date: 2018-01-18

EJ/T 980-2018 Active

EJ/T 980-2018 Car gamma spectral measurement specifications

This standard specifies the purpose and tasks of on-board gamma spectrometry measurements, work tasks, work design, instruments and calibration, field measurements, quality requirements, data processing, and preparation of result reports, as well as other technical requirements.

Publish Date: 2018-01-18

EJ/T 299-2018 Active

EJ/T 299-2018 The specifications for hydrogeological exploration of hard rock uranium deposits

This standard specifies the purpose, tasks, stages, exploration types, workload, technical requirements, and report preparation content for hydrogeological, engineering geological, and environmental geological work in hard rock uranium mines.

Publish Date: 2018-01-18

EJ/T 20164-2018 Active

EJ/T 20164-2018 Determination of Uranium Content in Post-Processing Uranium Trioxide Powder Using Automatic Potentiometric Titration Method

This standard specifies the analysis method for the uranium content in uranium trioxide powder, including the method principle, reagents and materials, instruments and equipment, test steps, test data processing, and precision, etc.

Publish Date: 2018-01-18

EJ/T 20204-2018 Active

EJ/T 20204-2018 Nuclear fast neutron breeding reactor design criteria for two-loop argon gas system

This standard specifies the system functions, system composition, and main equipment of the argon gas system in the secondary circuit of a fast reactor, as well as safety classification, design criteria, and safety evaluation.

Publish Date: 2018-01-18

EJ/T 20150.17-2018 Active

EJ/T 20150.17-2018 Checking of irradiated pressure water reactor fuel assembly - Part 17: Analysis of krypton and xenon in fission gases using gas chromatography method

This section specifies the methods, materials, instruments and equipment, operational procedures, result calculation, and method precision for analyzing krypton and xenon in the fission gas of fuel rods after irradiation in pressurized water reactor rod-bundle type fuel assemblies. This section is applicable to the analysis of krypton and xenon in the fission gas of fuel rods after irradiation in pressurized water reactor rod-bundle type fuel assemblies. The analysis of fission gases produced in other fuel elements can be used as a reference.

Publish Date: 2018-01-18

EJ/T 20150.29-2018 Active

EJ/T 20150.29-2018 Checking the radiation damage of the fuel assembly with the beam type in a pressurized water reactor - Part 29: Measurement of hydrogen content in the cladding tube of fuel elements using high frequency electrode heat conduction method

This section specifies the method outline, materials, instruments and equipment, samples, measurement steps, data processing, records and reports for measuring the hydrogen content in the fuel cladding tubes of rod-type fuel assemblies after irradiation using the high-frequency electrode thermal conductivity method. This section is applicable to the measurement of hydrogen content in the fuel cladding tubes of rod-type fuel assemblies in pressurized water reactors after irradiation.

Publish Date: 2018-01-18

EJ/T 353-2018 Active

EJ/T 353-2018 Uranium ore remote sensing geological investigation specifications

This standard specifies the requirements for data collection and processing, uranium mine remote sensing geological interpretation, remote sensing anomaly information extraction, field investigation, comprehensive research, quality inspection, report preparation and acceptance, and other aspects of uranium mine remote sensing geological survey work at scales of 1:250,000 and 1:50,000.

Publish Date: 2018-01-18

EJ/T 20181-2018 Active

EJ/T 20181-2018 Technical guide for the prediction and evaluation of unconventional uranium resources in blackstone formation

This standard specifies the definition, types, and evaluation criteria for metallogenic conditions of unconventional uranium resources in black rock series, among other things.

Publish Date: 2018-01-18

EJ/T 20179.2-2018 Active

EJ/T 20179.2-2018 Nuclear Material and Nuclear Facility Physical Protection Exit/Entry Control System Technical Requirements Part 2: Exit/Entry Controller

This section specifies the appearance, functions, and performance requirements of the entrance/exit controllers in the physical protection systems for nuclear materials and nuclear facilities.

Publish Date: 2018-01-18

EJ/T 20173-2018 Active

EJ/T 20173-2018 Nessay for Na-based fast neutron breeding reactor and determination of calcium and iron by atomic absorption spectrometry

This standard specifies the principles, reagents, instruments and equipment, experimental procedures, data processing, and precision for the determination of calcium and iron in fast reactor metallic sodium.

Publish Date: 2018-01-18