GB - Chinese national standards - Page 142

Standards GB - Chinese national standards - Page 142

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 11848.7-2025

Methods for analysis of uranium ore concentrate—Part 7Determination of halides—Volhard titration
Execute Date: may 2026

Standard published on 5.10.2025

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250.80 USD


in 3 working days
GB/T 11848.8-1989

Determination of moisture in uranium ore concentrate--Loss of weight at 110

Standard published on 21.10.1989

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142.80 USD


in 2 working days
GB/T 11848.8-2025

Methods for analysis of uranium ore concentrate—Part 8Determination of moisture—Gravimetric method
Execute Date: may 2026

Standard published on 5.10.2025

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250.80 USD


in 3 working days
GB/T 11848.9-1989

Determination of silicon in uranium ore concentrate by gravimetry

Standard published on 21.10.1989

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142.80 USD


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GB/T 11848.9-2025

Methods for analysis of uranium ore concentrate—Part 9Determination of silicon—Spectrophotometric method
Execute Date: may 2026

Standard published on 5.10.2025

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250.80 USD


in 3 working days
358.80 USD


in 3 working days
GB/T 1185-2006

Surface imperfections of optical elements

Standard published on 13.12.2006

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874.80 USD


in 5 working days
GB/T 11852-2003

Tolerances and specification of taper gauges

Standard published on 10.11.2003

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310.80 USD


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GB/T 11853-2003

Gauges of Morse tapers and metric tapers

Standard published on 10.11.2003

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346.80 USD


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GB/T 11854-2016

Gauges of 7:24 tapers—Inspection

Standard published on 13.10.2016

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238.80 USD


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