GBZ/T 300.128-2018
Determination of Toxic Substances in Workplace Air Part 128: Methacrylates (English Version)

Standard No.

GBZ/T 300.128-2018

Language

Chinese, Available in English version

Release Date

2018

Published By

Occupational Health Standard of the People's Republic of China

Status

Be replaced 2004-12

Replace By

GBZ/T 160.64-2004

Latest

GBZ/T 300.128-2018

GBZ/T 300.127-2017

Scope

This part of GBZ/T300 specifies the direct injection-gas chromatography method for determination of methyl methacrylate in the air of the workplace, the solvent desorption-gas chromatography method of n-butyl methacrylate and the solution absorption method of glycidyl methacrylate - gas chromatography. This section applies to the detection of the concentration of vaporous methyl methacrylate, n-butyl methacrylate and glycidyl methacrylate in the air of the workplace.

GBZ/T 300.128-2018 history

• 2018 GBZ/T 300.128-2018 Determination of Toxic Substances in Workplace Air Part 128: Methacrylates
• 2017 GBZ/T 300.127-2017 Determination of Toxic Substances in Workplace Air Part 127: Acrylates
• 2004 GBZ/T 160.64-2004 Methods for determination of unsaturated aliphatic esters　in the air of workplace
• 1999 WS/T 161-1999 Workplace air.Determination of butyl acrylate.Gas chromatographic method
• 1997 GB/T 17092-1997 Workplace air--Determination of ethyl acrylate--Solvent desorption gas chromatographic method
• 1989 GB 11520-1989 Hygienic standard for glycidyl methacrylate in the air of workplace
• 1988 GB 8776-1988 Hygienic standard for methyl methacrylate in the air of workplace

GBZ/T 300.128-2018 Determination of Toxic Substances in Workplace Air Part 128: Methacrylates was changed to GBZ/T 160.64-2004 Methods for determination of unsaturated aliphatic esters　in the air of workplace.