China National Standards

China background GB Standards Search System


GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "background" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • GB/T 35570-2017
  • Determination of tritium activity concentration in sea water—Low-background liquid scintillation spectrometry method background
    China National Standards
  • GB/Z 32490-2016
  • Surface chemical analysis—X-ray photoelectron spectroscopy—Procedures for determining backgrounds background
    China National Standards
  • GB/T 31707-2015
  • Data processing of background atmospheric carbon monoxide concentration measured by in situ gas chromatographic (GC) system background
    China National Standards
  • GB/T 31709-2015
  • Data processing of background atmospheric carbon dioxide and methane concentration measured by in situ gas chromatographic (GC) system background
    China National Standards
  • GB/T 31705-2015
  • In situ mesaurement of background atmospheric carbon dioxide and methane concentration by gas chromatographic(GC) system background
    China National Standards
  • GB 31224-2014
  • Specifications for observing environs protection of atmosphere background watch station background
    China National Standards
  • GB/T 30151-2013
  • Characterization of the spectrum background in HPGe gamma-ray spectrometry background
    China National Standards
  • JJG 853-2013
  • Verification Regulatio of the Low background Alpha/Beta Measuring Instruments background
    China Metrological Standards
  • SB/T 10811-2012
  • Headquarters of the chain enterprises background information management practices background
    China Commerce Standards
  • NB/T 20139-2012
  • Technical criteria for environmental radioactivity background investigation for nuclear power plant background
    China Energy industry Standards
  • GB/T 11682-2008
  • Low background alpha and/or beta measuring instruments background
    China National Standards
  • JJG 853-1993
  • Verification Regulation of Low background Alpha and/or Beta Measuring Instrument background
    China Metrological Standards
  • JJF 1342-1990
  • (Low background 4πα, 4πβ activity reference operating technical specifications) background
    China Metrological Standards
  • SJ/Z 9001.44-1987
  • Basic environmental testing procedures--Part 3: background information--Section One: Cold and dry heat tests background
    China Electronics Standards
  • SJ/Z 9001.45-1987
  • Basic environmental testing procedures--Part 3: background information--Section Two: Combined temperature/low air pressure tests background
    China Electronics Standards

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