GB - Chinese national standards - Page 269

Standards GB - Chinese national standards - Page 269

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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GB/T 13255.3-2009

Test methods of caprolactam for industrial use - Part 3: Determination of permanganate absorption number - Spectrometric method

Standard published on 13.5.2009

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202.80 USD


in 3 working days
GB/T 13255.4-2009

Test methods of caprolactam for industrial use - Part 4: Determination of volatile bases content - Titrimetric method after distillation

Standard published on 13.5.2009

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226.80 USD


in 3 working days
GB/T 13255.5-2009

Test methods of caprolactam for industrial use - Part 5: Determination of absorbance at a wavelength of 290nm

Standard published on 13.5.2009

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226.80 USD


in 3 working days
GB/T 13255.6-2009

Test methods of caprolactam for industrial use - Part 6: Determination of acidity or alkalinity

Standard published on 13.5.2009

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226.80 USD


in 3 working days
GB/T 13255.7-2009

Test methods of caprolactam for industrial use - Part 7: Determination of iron content

Standard published on 13.5.2009

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226.80 USD


in 3 working days
GB/T 13255.8-2009

Test methods of caprolactam for industrial use - Part 8: Determination of cyclohexanone oxime content

Standard published on 13.5.2009

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226.80 USD


in 3 working days
GB/T 13258-2016

Phosphorus pentasulfide for industrial use

Standard published on 13.12.2016

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430.80 USD


in 4 working days
GB/T 13259-2021

High-pressure sodium vapour lamps—Performance requirements

Standard published on 26.11.2021

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2 134.80 USD


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GB/T 13262-2008

Single sampling procedures and tables for inspection having desired operating characteristics by attributes for percent nonconforming

Standard published on 16.7.2008

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334.80 USD


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GB/T 13264-2008

Sampling procedures and tables for small lot inspection by attributes for percent nonconforming items

Standard published on 28.7.2008

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754.80 USD


in 5 working days

Entries shown from 2680 to 2690 out of a total of 90590 entries.


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