GBZ/T 300.114-2017
Determination of Toxic Substances in Workplace Air Part 114: Oxalic Acid and Terephthalic Acid (English Version)

Standard No.

GBZ/T 300.114-2017

Language

Chinese, Available in English version

Release Date

2017

Published By

Occupational Health Standard of the People's Republic of China

Latest

GBZ/T 300.114-2017

Replace

GBZ/T 160.59-2004

Scope

This part of GBZ/T300 specifies the solution absorption-ion chromatography of oxalic acid in the workplace air and the solvent elution ultraviolet spectrophotometry of terephthalic acid. This section applies to the detection of oxalic acid and terephthalic acid concentrations in the workplace air.

GBZ/T 300.114-2017 Referenced Document

• GBZ 159 Specifications of air sampling for hazardous substances monitoring in the workplace
• GBZ/T 210.4 Guide for establishing occupational health standards-Part 4: Determination methods of air chemicals in workplace

GBZ/T 300.114-2017 history

• 2017 GBZ/T 300.112-2017 Determination of Toxic Substances in Workplace Air Part 112: Formic Acid and Acetic Acid
• 2004 GBZ/T 160.59-2004 Methods for determination of carboxylic acids in the air of workplace
• 1997 GB/T 17068-1997 Workplace air--Determination of formic acid--Gas chromatographic method
• 1996 GB 16233-1996 Health standard for acetic acid in the air of workplace

GBZ/T 300.114-2017 Determination of Toxic Substances in Workplace Air Part 114: Oxalic Acid and Terephthalic Acid has been changed from GBZ/T 160.59-2004 Methods for determination of carboxylic acids in the air of workplace.