GB/T 23527.1-2023
PublishedQuality requirements for enzyme preparations—Part 1：Protease preparations
- Issued
- 2023-03-17
- Effective
- 2024-04-01
Chinese National Standards
Browse selected Chinese national standards, including mandatory GB standards and recommended GB/T standards prepared for English search and inquiry workflows.
Browse subcategories (2)
GB/T 42481-2023
PublishedSpecifications for conservation and management of small wetlands
- Issued
- 2023-03-17
- Effective
- 2023-10-01
GB/T 42356-2023
PublishedTest methods for rolling resistance of industrial tyres
- Issued
- 2023-03-17
- Effective
- 2023-10-01
GB/T 42269-2022
PublishedDetermination of pore size for membranes—Gas permeation method
- Issued
- 2022-12-30
- Effective
- 2023-04-01
GB/T 41957-2022
PublishedOil for use in the carbon black products—Fluid catalytic cracking slurry oil in petroleum refining
- Issued
- 2022-12-30
- Effective
- 2023-07-01
GB/T 42184-2022
PublishedGB/T 41949-2022
PublishedParticle─Laser particle size analyser─Technical requirements
- Issued
- 2022-12-30
- Effective
- 2023-07-01
GB/T 42160-2022
PublishedGrain boundary diffusion neodymium iron boron permanent magnet materials
- Issued
- 2022-12-30
- Effective
- 2023-07-01
GB/T 42281-2022
PublishedHollow fiber membrane module of membrane aerated biofilm reactor
- Issued
- 2022-12-30
- Effective
- 2023-07-01
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