NEN ISO 21438-2 : 2009
Current
The latest, up-to-date edition.
WORKPLACE ATMOSPHERES - DETERMINATION OF INORGANIC ACIDS BY ION CHROMATOGRAPHY - PART 2: VOLATILE ACIDS, EXCEPT HYDROFLUORIC ACID (HYDROCHLORIC ACID, HYDROBROMIC ACID AND NITRIC ACID)
01-12-2013
Defines a method for the determination of the time-weighted average mass concentration of hydrogen chloride (HCl) gas and hydrochloric acid mist, hydrogen bromide (HBr) vapour and hydrobromic acid mist and nitric acid (HNO[3]) vapour and mist in workplace air by collection on an alkali impregnated quartz fibre filter and analysis by ion chromatography.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.