This standard specifies the method for determining the concentration of unsymmetrical dimethylhydrazine in workshop air by gas chromatography. This standard applies to the determination of the concentration of unsymmetrical dimethylhydrazine in the air of workshops where unsymmetrical dimethylhydrazine is produced and used.
GB/T 17065-1997 history
1997GB/T 17065-1997 Workplace air--Determination of 1,1-dimethylhydrazine--Gas chromatographic method
GB/T 17065-1997 Workplace air--Determination of 1,1-dimethylhydrazine--Gas chromatographic method was changed to GBZ/T 160.71-2004 Methods for determination of hydrazines in the air of workplace.