GBZ/T 300.21-2017
Determination of Toxic Substances in Air in the Workplace Part 21: Potassium and Its Compounds (English Version)

Standard No.

GBZ/T 300.21-2017

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 300.21-2017

Replace

GBZ/T 160.17-2004

Scope

This part of GBZ/T300 specifies the solvent elution-flame atomic absorption spectrometry method for potassium and its compounds in the workplace air. This section applies to the detection of the concentration of aerosol potassium and its compounds (such as potassium hydroxide and potassium chloride, etc.) in the air of workplaces.

GBZ/T 300.21-2017 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 300.21-2017 history

• 2017 GBZ/T 300.21-2017 Determination of Toxic Substances in Air in the Workplace Part 21: Potassium and Its Compounds
• 2004 GBZ/T 160.17-2004 Methods for determination of potassium and its compounds in the air of workplace
• 1996 GB/T 16107-1995 Workplace air--Determination of sodium hydroxide--Flame photometric method

GBZ/T 300.21-2017 Determination of Toxic Substances in Air in the Workplace Part 21: Potassium and Its Compounds has been changed from GBZ/T 160.17-2004 Methods for determination of potassium and its compounds in the air of workplace.