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GB - Chinese national standards - Page 5037

Standards GB - Chinese national standards - Page 5037

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 6146-2010 1.12.2010
GB/T 6146-2010

Test method for resistivity of precision resistance alloys

Standard published on 1.12.2010

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Preview GB/T 6147-2025 25.4.2025
GB/T 6147-2025

Test method for thermoelectric power of precision resistance alloys

Standard published on 25.4.2025

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262.80 USD


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Preview GB/T 6148-2025 25.4.2025
GB/T 6148-2025

Test method for temperature-resistance coefficient of precision resistance alloys

Standard published on 25.4.2025

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262.80 USD


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Preview GB/T 6149-2010 1.12.2010
GB/T 6149-2010

New constantan resistance alloy

Standard published on 1.12.2010

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358.80 USD


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Preview GB/T 615-2006 3.11.2006
GB/T 615-2006

Chemical reagent - General method for the determination of distillation range

Standard published on 3.11.2006

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382.80 USD


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Preview GB/T 6150.1-2023 27.11.2023
GB/T 6150.1-2023

Methods for chemical analysis of tungsten concentrates—Part 1Determination of tungsten trioxide content—Ammonium tungstate igniting gravimetric method

Standard published on 27.11.2023

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IN STOCK
Preview GB/T 6150.10-2023 6.8.2023
GB/T 6150.10-2023

Methods for chemical analysis of tungsten concentrates—Part 10Determination of lead content—Hydride generation atomic fluorescence spectrometry and flame atomic absorption spectrometry

Standard published on 6.8.2023

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Preview GB/T 6150.11-2008 31.3.2008
GB/T 6150.11-2008

Methods for chemical analysis of tungsten concentrates - Determination of zinc content - Flame atomic absorption spectrometric method

Standard published on 31.3.2008

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Preview GB/T 6150.11-2026 25.5.2026
GB/T 6150.11-2026

Methods for chemical analysis of tungsten concentrates—Part 11Determination of impurity element contents—Inductively coupled plasma atomic emission spectrometry
Execute Date: december 2026

Standard published on 25.5.2026

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Preview GB/T 6150.12-2023 6.8.2023
GB/T 6150.12-2023

Methods for chemical analysis of tungsten concentrates—Part 12 Determination of silicon dioxide content—Silicomolybdenum blue spectrophotometry and gravimetry

Standard published on 6.8.2023

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