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Standards GB - Chinese national standards - Page 5425
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
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GB/T 10574.14-1989
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Tin-lead solders--Determination of sulphur content--Oscillopolarographic method after distillation
WITHDRAWN published on 22.3.1989
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GB/T 10574.2-1989
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Tin-lead solders--Determination of antimony content--Malachite green spectrophotometric method
WITHDRAWN published on 22.3.1989
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GB/T 10574.3-1989
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Tin-lead solders--Determination of antimony content--Potassium bromete titrimetric method
WITHDRAWN published on 22.3.1989
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GB/T 10574.4-1989
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Tin-lead solders--Determination of bismuth content--Thiourea spectrophotometric method
WITHDRAWN published on 22.3.1989
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GB/T 10574.5-1989
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Tin-lead solders--Determination of iron content--1,10-phenanthroline spectrophotometric method
WITHDRAWN published on 22.3.1989
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GB/T 10574.6-1989
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Tin-lead solders--Determination of arsenic content--Molybdoantimony arsenate blue spectrophotometric method
WITHDRAWN published on 22.3.1989
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GB/T 10574.7-1989
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Tin-lead solders--Determination of copper content--2,9-dimethyl-1,10-phenanthroline spetrophotometric method
WITHDRAWN published on 22.3.1989
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GB/T 10574.7-2003
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Methods for chemical analysis of tin-lead solders—Determination of silver content
WITHDRAWN published on 11.3.2003
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GB/T 10574.8-1989
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Tin-lead solders--Determination of silver content--Flame atomic absorption spectrophotometric method
WITHDRAWN published on 22.3.1989
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GB/T 10574.8-2003
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Methods for chemical analysis of tin-lead solders—Determination of zinc content
WITHDRAWN published on 11.3.2003
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