GB/T 12128-1989Reference sources for calibration of surface contamination monitors - Alpha-, beta- and photon emitters (English PDF)
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Issued by
State Administration for Market Regulation, China National Standardization Administration
Level / Type
National · Recommended
Issue date
March 31, 2026
Implementation date
October 1, 2026
Scope
GB/T 12128-1989 (Reference sources for calibration of surface contamination monitors - Alpha-, beta- and photon emitters) is available as an English-translated PDF.
GB/T 12128-1989 is the Chinese standard "Reference sources for calibration of surface contamination monitors - Alpha-, beta- and photon emitters". It was issued by State Administration for Market Regulation, China National Standardization Administration. Issued on 2026-03-31, in force from 2026-10-01.
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Document preview — GB/T 12128-1989
National Standard of the People's Republic of China
- ICS
- 27.120.99
- Classification
- F51
Issued by: State Administration for Market Regulation, China National Standardization Administration
Contents
- Document data
- Standards quoted by this standard
1 Document data
Sector: National Standard (Recommended).
Issuing body: State Administration for Market Regulation, China National Standardization Administration.
Date of issue: 2026-03-31.
Date of implementation: 2026-10-01.
Chinese Standard Classification: F51.
ICS: 27.120.99.
Length: about 26,297 characters in the Chinese original.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 18 pages — is available in the English PDF.
Referenced standards
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Related Standards
GB/T 12128.2-1999 — Reference sources for the calibration of surface contamination monitors. Part 2: Electrons of energy less than 0.15MeV and photons of energy less than 1.5 MeV
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GB/T 12128-1989
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