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GB - Chinese national standards - Page 5190

Standards GB - Chinese national standards - Page 5190

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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Publication year
Preview GB/T 7731.9-2008 19.8.2008
GB/T 7731.9-2008

Ferrotungsten - Determination of bismuth content - The bismuth iodide photometric method and inductively coupled plasma - atomic emission spectrometry

Standard published on 19.8.2008

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274.80 USD


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Preview GB/T 7732-2008 13.5.2008
GB/T 7732-2008

Metallic materials - Fracture toughness testing method with surface crack tension specimens

Standard published on 13.5.2008

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394.80 USD


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Preview GB/T 7734-2015 10.12.2015
GB/T 7734-2015

Method for ultrasonic testing of clad steel plates

Standard published on 10.12.2015

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electronic design (pdf) (102.00 USD)


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102.00 USD


IN STOCK
Preview GB/T 7735-2016 30.12.2016
GB/T 7735-2016

Automated eddy current testing of seamless and welded (except submerged arc-welded) steel tubes for detection of imperfections

Standard published on 30.12.2016

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150.00 USD


IN STOCK
Preview GB/T 7737-2007 11.9.2007
GB/T 7737-2007

Ferroniobium

Standard published on 11.9.2007

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156.00 USD


IN STOCK
Preview GB/T 7738-2008 5.8.2008
GB/T 7738-2008

Notations for designation of ferroallys

Standard published on 5.8.2008

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502.80 USD


in 3 working days
Preview GB/T 7739.1-2019 31.12.2019
GB/T 7739.1-2019

Methods for chemical analysis of gold concerntrates—Part 1Determination of gold and silver contents

Standard published on 31.12.2019

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electronic design (pdf) (430.80 USD)


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430.80 USD


in 4 working days
Preview GB/T 7739.10-2025 30.6.2025
GB/T 7739.10-2025

Methods for chemical analysis of gold concentrates—Part 10: Determination of antimony content

Standard published on 30.6.2025

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Preview GB/T 7739.12-2016 29.8.2016
GB/T 7739.12-2016

Methods for chemical analysis ofgoldconcentrates—Part 12: Determination of arsenic, mercury, cadmium, lead, bismuth—Atomic fluorescence spectrometric method

Standard published on 29.8.2016

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electronic design (pdf) (214.80 USD)


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Preview GB/T 7739.13-2019 4.6.2019
GB/T 7739.13-2019

Methods for chemical analysis of gold concentrates—Part 13: Determination of lead zinc bismuth cadmium chromium arsenic and mercury contents—Inductively coupled plasma atomic emission spectrometry

Standard published on 4.6.2019

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electronic design (pdf) (238.80 USD)


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