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GB - Chinese national standards - Page 4641

Standards GB - Chinese national standards - Page 4641

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 47074-2026 28.1.2026
GB/T 47074-2026

ParticleTest method for collection efficiency of aerosol sampling filter
Execute Date: august 2026

Standard published on 28.1.2026

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electronic design (pdf) (430.80 USD)


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430.80 USD


in 4 working days
Preview GB/T 47075-2026 28.1.2026
GB/T 47075-2026

Determination of cephalosporins in wastewater—Liquid chromatography-tandem mass spectrometry
Execute Date: august 2026

Standard published on 28.1.2026

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electronic design (pdf) (310.80 USD)


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310.80 USD


in 3 working days
Preview GB/T 47076-2026 28.1.2026
GB/T 47076-2026

Surface chemical analysis—X-ray photoelectron spectroscopy—Measurement of binding energy for conductive carbon-based materials
Execute Date: august 2026

Standard published on 28.1.2026

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electronic design (pdf) (454.80 USD)


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454.80 USD


in 4 working days
Preview GB/T 47077-2026 28.1.2026
GB/T 47077-2026

Test method for available alkali content of mineral admixtures
Execute Date: august 2026

Standard published on 28.1.2026

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electronic design (pdf) (358.80 USD)


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358.80 USD


in 3 working days
Preview GB/T 47078-2026 28.1.2026
GB/T 47078-2026

Particle—Test method for filter efficiency to bioaerosol
Execute Date: august 2026

Standard published on 28.1.2026

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electronic design (pdf) (478.80 USD)


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478.80 USD


in 4 working days
Preview GB/T 47079-2026 28.1.2026
GB/T 47079-2026

Technical specification of the roll induction heating treatment
Execute Date: august 2026

Standard published on 28.1.2026

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electronic design (pdf) (358.80 USD)


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358.80 USD


in 3 working days
Preview GB/T 47080-2026 28.1.2026
GB/T 47080-2026

Test method for dislocation density of diamond single crystal polished wafer
Execute Date: august 2026

Standard published on 28.1.2026

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electronic design (pdf) (214.80 USD)


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214.80 USD


in 3 working days
Preview GB/T 47081-2026 28.1.2026
GB/T 47081-2026

Determination of iron, aluminum and calcium of silicon nitride powder—Inductively coupled plasma atomic emission spectrometry
Execute Date: august 2026

Standard published on 28.1.2026

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electronic design (pdf) (190.80 USD)


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190.80 USD


in 3 working days
Preview GB/T 47082-2026 28.1.2026
GB/T 47082-2026

Test method for stacking faults of polished monocrystalline silicon carbide wafers
Execute Date: august 2026

Standard published on 28.1.2026

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electronic design (pdf) (190.80 USD)


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190.80 USD


in 3 working days
Preview GB/T 47083-2026 28.1.2026
GB/T 47083-2026

Test method for thermal expansion rate of thin-walled tube of carbon fiber reinforced composite
Execute Date: august 2026

Standard published on 28.1.2026

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electronic design (pdf) (262.80 USD)


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262.80 USD


in 3 working days

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Latest update: 2026-07-21 (Number of items: 2 289 045)
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