AQ 1080-2009
Determination method for index(△p)of initial velocity of diffusion of coal gas (English Version)
- Standard No.
- AQ 1080-2009
- Language
- Chinese, Available in English version
- Release Date
- 2009
- Published By
- Professional Standard-Safe Production
- Latest
- AQ 1080-2009
- Scope
- This standard specifies on-site sampling, storage, sample preparation, measurement methods, measurement instruments, measurement steps and result expression for measuring the initial velocity index of coal gas emission. This standard is applicable to the laboratory determination of the initial velocity index (Δp) of coal gas emission.
AQ 1080-2009 Referenced Document
- GB 474-2008 Method for preparation of coal sample
- GB 482-1995 Sampling of coal in seams
- GB/T 477-2008 Method for size analysis of coal
AQ 1080-2009 history
- 2009 AQ 1080-2009 Determination method for index(△p)of initial velocity of diffusion of coal gas
