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GB/T 37398-2019 English PDF

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GB/T 37398-2019: Barium fluoride scintillation crystal
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Basic data

Standard ID GB/T 37398-2019 (GB/T37398-2019)
Description (Translated English) Barium fluoride scintillation crystal
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard N05
Classification of International Standard 27.120.01
Word Count Estimation 10,127
Date of Issue 2019-05-10
Date of Implementation 2019-12-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 37398-2019: Barium fluoride scintillation crystal

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Barium fluoride scintillation crystal ICS 27.120.01 N05 National Standards of People's Republic of China Barium fluoride scintillation crystal Published on.2019-05-10 2019-12-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Machinery Industry Federation. This standard is under the jurisdiction of the National Instrument Functional Materials Standardization Technical Committee (SAC/TC419). This standard was drafted. Beijing First Technology Co., Ltd., Beijing Glass Research Institute. The main drafters of this standard. Xu Chao, Zhang Mingrong, Zhang Qinhui, Yan Xihe, Wang Wenhui, Wang Lei, Liu Xiaoyang, Liu Jianqiang. Barium fluoride scintillation crystal

1 Scope

This standard specifies the product properties, technical requirements, test methods, inspection rules and signs, packaging, transportation and storage of cesium fluoride crystals. Save and accompany files. This standard applies to the production, use and acceptance of cesium fluoride crystals with a diameter of not more than 140mm and a length of not more than 150mm.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 13181-2002 Scintillator performance measurement method JB/T 9495.5 Optical crystal scattering particle size measurement method

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Scintillation crystal scintilationcrystal Under the action of ionizing radiation, the crystal form of the scintillator can be emitted in a blinking manner. 3.2 Energy resolution energyresolution A measure of the minimum relative difference between two particle energies that can be resolved for a given energy. Note. In general applications, the energy resolution is calculated by the ratio of the full width at half maximum of the peak of the energy spectrum of the single energy particle measured by the spectrometer to the energy corresponding to the peak position. When energy is expressed in pulse amplitude, the ratio is the pulse amplitude resolution. [GB/T 13182-2007, definition 3.1.16] 3.3 Transmittance The ratio of the transmitted light radiation intensity to the incident light radiation intensity. [JB/T 9495.1-2015, definition 3.2] 3.4 Light output lightoutput The ratio of the number of photoelectrons emitted by the scintillation crystal to the incident radiant energy absorbed by the scintillation crystal. Note. The unit is photoelectron number/MeV. 3.5 Faster than slower than fast-to-slowratio The ratio of the fast decaying component to the light output of the slow attenuating component of the cesium fluoride scintillation crystal under the action of ionizing radiation.

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