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GB - Chinese national standards - Page 5191

Standards GB - Chinese national standards - Page 5191

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 7739.14-2019 30.8.2019
GB/T 7739.14-2019

Methods for chemical analysis of gold concentrates—Part 14: Determination of thallium content—Inductively coupled plasma atomic emission spectrometry and inductively coupled plasma mass spectrometry

Standard published on 30.8.2019

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in 3 working days
Preview GB/T 7739.15-2025 31.10.2025
GB/T 7739.15-2025

Methods for chemical analysis of gold concentrates—Part 15Determination of platinum group elements contents

Standard published on 31.10.2025

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430.80 USD


in 4 working days
Preview GB/T 7739.2-2019 31.12.2019
GB/T 7739.2-2019

Methods for chemical analysis of gold concentrates—Part 2:Determination of silver content—Flame atomic absorption spectrometric method

Standard published on 31.12.2019

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166.80 USD


in 3 working days
Preview GB/T 7739.3-2019 31.12.2019
GB/T 7739.3-2019

Methods for chemical analysis of gold concerntrates—Part 3:Determination of arsenic content

Standard published on 31.12.2019

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Preview GB/T 7739.4-2021 21.5.2021
GB/T 7739.4-2021

Methods for chemical analysis of gold concentrates—Part 4: Determination of copper content

Standard published on 21.5.2021

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Preview GB/T 7739.5-2021 20.8.2021
GB/T 7739.5-2021

Methods for chemical analysis of gold concentrates—Part 5: Determination of lead content

Standard published on 20.8.2021

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Preview GB/T 7739.6-2021 20.8.2021
GB/T 7739.6-2021

Methods for chemical analysis of gold concentrates—Part 6: Determination of zinc content

Standard published on 20.8.2021

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in 3 working days
Preview GB/T 7739.7-2022 30.12.2022
GB/T 7739.7-2022

Methods for chemical analysis of gold concentrates—Part 7: Determination of iron content

Standard published on 30.12.2022

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Preview GB/T 7739.8-2022 30.12.2022
GB/T 7739.8-2022

Methods for chemical analysis of gold concentrates—Part 8: Determination of sulfur content

Standard published on 30.12.2022

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Preview GB/T 7739.9-2025 30.6.2025
GB/T 7739.9-2025

Methods for chemical analysis of gold concentrates—Part 9: Determination of carbon content

Standard published on 30.6.2025

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