GBZ/T 300.28-2017
Determination of Toxic Substances in Workplace Air Part 28: Tungsten and Its Compounds (English Version)

Standard No.

GBZ/T 300.28-2017

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 300.28-2017

Replace

GBZ/T 160.23-2004

Scope

This part of GBZ/T300 specifies the acid digestion of tungsten and its compounds in the workplace air - potassium thiocyanate spectrophotometry. This section applies to the detection of the concentration of aerosol tungsten and its compounds in the air of the workplace.

GBZ/T 300.28-2017 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 300.28-2017 history

• 2017 GBZ/T 300.19-2017 Determination of Toxic Substances in Workplace Air Part 19: Molybdenum and Its Compounds
• 2004 GBZ/T 160.15-2004 Methods for determination of molybdenum and its compounds in the air of workplace
• 1996 GB/T 16103-1995 Workplace air--Determination of molybdenum and its compounds--Thiocyanate spectrophotometric method

GBZ/T 300.28-2017 Determination of Toxic Substances in Workplace Air Part 28: Tungsten and Its Compounds has been changed from GBZ/T 160.23-2004 Methods for determination of tungsten and its compounds in the air of workplace.