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GB - Chinese national standards - Page 144

Standards GB - Chinese national standards - Page 144

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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Preview GB/T 11848.6-1989 21.10.1989
GB/T 11848.6-1989

Determination of fluoride in uranium ore concentrate by ion-selective electrode

Standard published on 21.10.1989

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in 2 working days
Preview GB/T 11848.6-2025 5.10.2025
GB/T 11848.6-2025

Methods for analysis of uranium ore concentrate—Part 6Determination of fluoride—Ion-selective electrode method
Execute Date: may 2026

Standard published on 5.10.2025

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in 3 working days
Preview GB/T 11848.7-1989 21.10.1989
GB/T 11848.7-1989

Determination of halidess in uranium ore concentrate--Volhard titration

Standard published on 21.10.1989

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148.80 USD


in 3 working days
Preview GB/T 11848.7-2025 5.10.2025
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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Preview GB/T 11848.8-1989 21.10.1989
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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in 2 working days
Preview GB/T 11848.8-2025 5.10.2025
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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Preview GB/T 11848.9-1989 21.10.1989
GB/T 11848.9-1989

Determination of silicon in uranium ore concentrate by gravimetry

Standard published on 21.10.1989

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Preview GB/T 11848.9-2025 5.10.2025
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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Preview GB/T 11849-2008 19.6.2008
GB/T 11849-2008

Heavy water tank

Standard published on 19.6.2008

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373.80 USD


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Preview GB/T 1185-2006 13.12.2006
GB/T 1185-2006

Surface imperfections of optical elements

Standard published on 13.12.2006

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electronic design (pdf) (911.30 USD)


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in 5 working days

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