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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Microbiological examination of food hygiene-Examination of Listeria moncytogenes
WITHDRAWN published on 18.3.1994
Selected format:Microbiological examination of food hygiene—Examination of Listeria monocytogenes
WITHDRAWN published on 11.8.2003
Selected format:Microbiological examination of food hygiene—Examination of Listeria monocytogenes
WITHDRAWN published on 21.11.2008
Selected format:National food safety standard Food microbiological examination:Listeria monocytogenes
WITHDRAWN published on 26.3.2010
Selected format:Microbiological examination of food hygiene.Examination of Salmonellae,Shigellae and diarrhoea causative Escherichia coli by means of the diagnostic typing phage set for enterobacteriaceae
WITHDRAWN published on 18.3.1994
Selected format:Microbiological examination of food hygiene—Examination of Salmonellae,Shigellae,and diarrhoea causative Escherichia coli by means of the diagnostic typing phage set for Enterobacteriaceae
WITHDRAWN published on 11.8.2003
Selected format:Microbiological examination for food hygiene rapid detection of coliform bacteria
WITHDRAWN published on 13.6.2002
Selected format:Microbiological examination of food hygiene—Examination of cereal,fruit and vegetable
WITHDRAWN published on 11.8.2003
Selected format:Microbiological examination of food hygiene—Examination of Bifidobacterium
WITHDRAWN published on 11.8.2003
Selected format:Microbiological examination of food hygiene—Examination of Bifidobacterium
WITHDRAWN published on 3.12.2008
Selected format:Latest update: 2025-09-14 (Number of items: 2 232 183)
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