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GB - Chinese national standards - Page 5132

Standards GB - Chinese national standards - Page 5132

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 6730.84-2023 6.8.2023
GB/T 6730.84-2023

Iron ores—Determination of total rare earth content—Inductively coupled plasma atomic emission spectrometric method

Standard published on 6.8.2023

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Preview GB/T 6730.85-2023 6.8.2023
GB/T 6730.85-2023

Iron ores—Preparation and certification of certified reference materials for use in chemical analysis

Standard published on 6.8.2023

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502.80 USD


in 4 working days
Preview GB/T 6730.86-2023 6.8.2023
GB/T 6730.86-2023

Iron ores—Determination of radionuclides—Inductively coupled plasma-mass spectrometric method

Standard published on 6.8.2023

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288.00 USD


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Preview GB/T 6730.87-2023 6.8.2023
GB/T 6730.87-2023

Iron ores—Determination of total iron and other multi-element content—Wavelength dispersive X-ray fluorescence spectrometry (cobalt internal standard method)

Standard published on 6.8.2023

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Preview GB/T 6730.88-2024 29.6.2024
GB/T 6730.88-2024

Iron ores—Determination of chlorine content—X-ray fluorescence spectrometric method

Standard published on 29.6.2024

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646.80 USD


in 5 working days
Preview GB/T 6730.89-2024 28.5.2024
GB/T 6730.89-2024

Iron ores—Determination of thorium content—Arsenazo spectrophotometric method

Standard published on 28.5.2024

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electronic design (pdf) (382.80 USD)


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382.80 USD


in 4 working days
Preview GB/T 6730.9-2016 13.10.2016
GB/T 6730.9-2016

Iron ores—Determination of silicon content—The silicomolybdic blue spectrophotometric method reduced by ammonium ferrous sulfate

Standard published on 13.10.2016

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electronic design (pdf) (204.00 USD)


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204.00 USD


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Preview GB/T 6730.90-2025 25.4.2025
GB/T 6730.90-2025

Iron ores—Determination of gold, silver, platinum, palladium contents—Inductively coupled plasma mass spectrometry method

Standard published on 25.4.2025

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454.80 USD


in 4 working days
Preview GB/T 6733-2025 5.10.2025
GB/T 6733-2025

Vaseline for capacitor

Standard published on 5.10.2025

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166.80 USD


in 3 working days
Preview GB/T 6739-2022 30.12.2022
GB/T 6739-2022

Paints and varnishes—Determination of film hardness by pencil test

Standard published on 30.12.2022

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electronic design (pdf) (186.00 USD)


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186.00 USD


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