WS/T 157-1999
Workplace air.Determination of chlorobenzene.Charcoal diffusive sampler, solvent desorption and gas chromatographic method (English Version)
- Standard No.
- WS/T 157-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Hygiene
- Status
- 2004-12
- Latest
- WS/T 157-1999
- Replace By
- GBZ/T 160.47-2004
- Scope
- This standard specifies the diffusion method sampling solvent desorption gas chromatography method for chlorobenzene in the air in workplaces. This standard applies to the time-weighted average concentration (TWA) of chlorobenzene in the air in workplaces.
WS/T 157-1999 history
- 1999 WS/T 157-1999 Workplace air.Determination of chlorobenzene.Charcoal diffusive sampler, solvent desorption and gas chromatographic method
WS/T 157-1999 Workplace air.Determination of chlorobenzene.Charcoal diffusive sampler, solvent desorption and gas chromatographic method was changed to GBZ/T 160.47-2004 Methods for determination of halogenated aromatic hydrocarbons in the air of workplace.
