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GB/T 7962.10-2010Test methods of colourless optical glass - Part 10: X-rays stability (English PDF)

无色光学玻璃测试方法第10部分：耐X射线性能

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

January 14, 2011

Implementation date

May 1, 2011

Scope

GB/T 7962.10-2010 is the English-translated version of 无色光学玻璃测试方法第10部分：耐X射线性能.

GB/T 7962.10-2010 is the Chinese standard "Test methods of colourless optical glass - Part 10: X-rays stability". Its scope clause reads: This part of GB/T 7962 specifies the test methods, test steps and data processing for the X-rays stability of radiation-resistant optical glass.

This part is applicable to the measurement for X-rays stability of radiation-resistant optical glass series 500 in GB/T 903. Its clauses include terms and definitions.

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Document preview — GB/T 7962.10-2010

National Standard of the People's Republic of China

ICS: 81.040.01
Classification: N 05
Replacing: GB/T 7962.10-1987

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Sample and dose standard sample
7 Measurement
8 Data processing

1 Scope

This part of GB/T 7962 specifies the test methods, test steps and data processing for the X-rays stability of radiation-resistant optical glass.

This part is applicable to the measurement for X-rays stability of radiation-resistant optical glass series 500 in GB/T 903.

2 Normative references

The following documents contain provisions which, through reference in this part of GB/T 7962, constitute provisions of this part. For dated references, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, parties to agreements based on this part are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest editions apply to this part.

GB/T 903 Colourless optical glass

3 Terms and definitions

For the purposes of this part, the following terms and definitions apply.

3.1 X-rays stability

stability of optical glass against X-ray irradiation, after X-ray irradiation, the optical density of glass will increase, so the X-ray stability is characterized by the increment in optical density

3.2 optical density

D common logarithm of reciprocal of white light transmittance T […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 903Colourless optical glass

Cited by

GB/T 903-2019Colourless optical glass

Similar standards

GB/T 47395-2026|GB/T 12416-2025|GB/T 35595-2025|GB/T 7962.13-2025|GB/T 7962.7-2025|GB/T 43881-2024

Editions of GB/T 7962.10

Edition	Title	Revision	Status
GB/T 7962.10-2010	Test methods of colourless optical glass - Part 10: X-rays stability	current edition	Current
GB/T 7962.10-1987	Test methods of colourless optical glass - Part 10: X-rays stability	previous edition	Superseded

This page sells the current edition, GB/T 7962.10-2010. Earlier editions are listed for reference only.

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