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GB - Chinese national standards - Page 5341

Standards GB - Chinese national standards - Page 5341

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 9721-2006 1.9.2006
GB/T 9721-2006

Chemical reagent - General rules for the molecular absorption spectrophotometry (ultraviolet and visible)

Standard published on 1.9.2006

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108.00 USD


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Preview GB/T 9722-2023 6.8.2023
GB/T 9722-2023

Chemical reagent—General rules for the gas chromatography

Standard published on 6.8.2023

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electronic design (pdf) (384.00 USD)


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384.00 USD


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Preview GB/T 9723-2007 26.9.2007
GB/T 9723-2007

Chemical Reagent - General rule for flame atomic absorption spectrometric analysis

Standard published on 26.9.2007

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electronic design (pdf) (346.80 USD)


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346.80 USD


in 3 working days
Preview GB/T 9724-2007 26.9.2007
GB/T 9724-2007

Chemical reagent - General rule for the determination of pH

Standard published on 26.9.2007

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84.00 USD


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Preview GB/T 9725-2007 26.9.2007
GB/T 9725-2007

Chemical reagent - General rule for potentiometric titration

Standard published on 26.9.2007

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250.80 USD


in 3 working days
Preview GB/T 9726-2007 26.9.2007
GB/T 9726-2007

Chemical reagent - General rule for the determination of permanganate-reducing substances

Standard published on 26.9.2007

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190.80 USD


in 3 working days
Preview GB/T 9727-2007 26.9.2007
GB/T 9727-2007

Chemical reagent - General method for the determination of phosphate

Standard published on 26.9.2007

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electronic design (pdf) (166.80 USD)


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166.80 USD


in 2 working days
Preview GB/T 9728-2007 25.10.2007
GB/T 9728-2007

Chemical reagent - General method for the determination of sulphate

Standard published on 25.10.2007

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84.00 USD


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Preview GB/T 9729-2007 26.9.2007
GB/T 9729-2007

Chemical reagent - General method for the determination of chloride

Standard published on 26.9.2007

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84.00 USD


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Preview GB/T 973-1976 13.10.1976
GB/T 973-1976

Screwscross recessedoval head

Standard published on 13.10.1976

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electronic design (pdf) (ON REQUEST)


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ON REQUEST


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