This standard specifies a silica gel collection solvent desorption gas chromatography method for the determination of fenthion concentration in the air in workplaces. This standard is applicable to the determination of fenthion concentration in the air in workplaces.
WS/T 133-1999 history
1999WS/T 133-1999 Workplace air.Determination of fenthion.solvent desoption gas chromatographic method