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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
Solid products of coal carbonization—Determination of softening point
WITHDRAWN published on 17.3.1997
Selected format:Determination of cefazolin, cephapirin, cephalexin, cefalonium, cefquinome residues in honey - LC-MS-MS method
WITHDRAWN published on 31.12.2008
Selected format:Method for determination of coal tar pitch ash content
WITHDRAWN published on 31.12.1980
Selected format:Determination of amoxicillin,ampicillin,piperacillin,penicillin G,penicillin V,oxacillin,cloxacillin,nafcillin,dicloxacillin residues in fugu and eel--LC-MS-MS method
WITHDRAWN published on 31.12.2008
Selected format:Solar batteries--Types and designation
WITHDRAWN published on 1.1.1980
Selected format:Determination of oxytetracycline,tetracycline,chlortetracycline,coxycycline residues in fugu and eel--HPLC-UV method
WITHDRAWN published on 31.12.2008
Selected format:Determination of ivermectin, abamectin, doramectin and eprinomectin residues in milk and milk powder - LC-MS-MS method
WITHDRAWN published on 31.12.2008
Selected format:Mechanical vibration and shock—Terminology
WITHDRAWN published on 13.12.1991
Selected format:Determination of cefapirin, cephalexin, cefalonium, cefquinome residues in milk and milk powder - LC-MS-MS method
WITHDRAWN published on 31.12.2008
Selected format:Very pure boric acid
WITHDRAWN published on 1.1.1980
Selected format:Latest update: 2026-01-23 (Number of items: 2 257 393)
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