GBZ/T 300.31-2017
Determination of Toxic Substances in Workplace Air Part 31: Zinc and Its Compounds (English Version)

Standard No.

GBZ/T 300.31-2017

Language

Chinese, Available in English version

Release Date

2017

Published By

中华人民共和国国家卫生和计划生育委员会

Latest

GBZ/T 300.31-2017

Replace

GBZ/T 160.25-2004

Scope

This part of GBZ/T300 specifies the acid digestion-flame atomic absorption spectrometry and solvent elution-dithizone spectrophotometry of zinc and its compounds in the workplace air. This part applies to the detection of the concentration of aerosol zinc and its compounds (including zinc oxide and zinc chloride, etc.) in the air of the workplace.

GBZ/T 300.31-2017 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 300.31-2017 history

• 2017 GBZ/T 300.31-2017 Determination of Toxic Substances in Workplace Air Part 31: Zinc and Its Compounds
• 2004 GBZ/T 160.25-2004 Methods for determination of zinc and its compounds in the air of workplace
• 1996 GB/T 16015-1995 Workplace air--Determination of zinc oxide--Flame atomic absorption spectrophotometric method

GBZ/T 300.31-2017 Determination of Toxic Substances in Workplace Air Part 31: Zinc and Its Compounds has been changed from GBZ/T 160.25-2004 Methods for determination of zinc and its compounds in the air of workplace.