GBZ/T 160.47-2004 Methods for determination of halogenated aromatic hydrocarbons in the air of workplace has been changed from WS/T 157-1999 Workplace air.Determination of chlorobenzene.Charcoal diffusive sampler, solvent desorption and gas chromatographic method.
GBZ/T 160.47-2004 Methods for determination of halogenated aromatic hydrocarbons in the air of workplace has been changed from WS/T 137-1999 Workplace air.Determination of chlorobenzene.Solvent desorption gas chromatographic method.
GBZ/T 160.47-2004 Methods for determination of halogenated aromatic hydrocarbons in the air of workplace was changed to GBZ/T 300.81-2017 Determination of Toxic Substances in Workplace Air Part 81: Chlorobenzene, Dichlorobenzene and Trichlorobenzene.
GBZ/T 160.47-2004 Methods for determination of halogenated aromatic hydrocarbons in the air of workplace was changed to GBZ/T 300.82-2017 Determination of Toxic Substances in Workplace Air Part 82: Benzyl Chloride and p-Chlorotoluene.
GBZ/T 160.47-2004 Methods for determination of halogenated aromatic hydrocarbons in the air of workplace was changed to GBZ/T 300.83-2017 Determination of Toxic Substances in Workplace Air Part 83: Bromobenzene.
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