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Standards GB - Chinese national standards - Page 4628
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 46122.1-2025
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Fireworks—Test methods for determination of specific chemical substances—Part 1: General
Standard published on 29.8.2025
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GB/T 46122.10-2025
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Fireworks—Test methods for determination of specific chemical substances—Part 10:Determination of nitrogen content in nitrocellulose—Iron(II) sulphate titration
Standard published on 29.8.2025
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GB/T 46122.11-2025
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Fireworks—Test methods for determination of specific chemical substances—Part 11: Determination of phosphorus content—Inductively coupled plasma optical emission spectrometry (ICP-OES)
Standard published on 29.8.2025
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GB/T 46122.12-2025
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Fireworks—Test methods for determination of specific chemical substances—Part 12:Determination of picric acid and picrates—High performance liquid chromatography
Standard published on 29.8.2025
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GB/T 46122.2-2025
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Fireworks—Test methods for determination of specific chemical substances—Part 2: Determination of hexachlorobenzene—Gas chromatography
Standard published on 29.8.2025
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GB/T 46122.3-2025
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Fireworks—Test methods for determination of specific chemical substances—Part 3:Determination of lead and lead compounds—Atomic absorption
Standard published on 29.8.2025
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GB/T 46122.4-2025
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Fireworks—Test methods for determination of specific chemical substances—Part 4:Determination of lead and lead compounds—X-ray fluorescence spectrometry
Standard published on 29.8.2025
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GB/T 46122.5-2025
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Fireworks—Test methods for determination of specific chemical substances—Part 5: Determination of lead and lead compounds—Inductively coupled plasma spectrometry (ICP
Standard published on 29.8.2025
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GB/T 46122.6-2025
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Fireworks—Test methods for determination of specific chemical substances—Part 6:Determination of zirconium with a particle size of less than 40 m—Inductively coupled plasma optical emission spectrometry (ICP-OES)
Standard published on 29.8.2025
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GB/T 46122.7-2025
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Fireworks—Test methods for determination of specific chemical substances—Part 7:Determination of chlorates content—Chemical titration analysis
Standard published on 29.8.2025
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