Analytical method for the determination of methoxyacetic acid
Translation of DGUV Information 213-572 (former BGI 505-72 or ZH1/120.72)
CAS Number: 625-45-6
Method 01 – HPIC – limited suitability: category E2
Sampling with a pump and absorption in sodium hydroxide solution, ion chromatography (HPIC) after elution.
This method permits the determination of methoxyacetic acid concentrations in work areas averaged over the sampling time after personal or stationary sampling.
Principle
A pump is used to draw a measured volume of air through a washing bottle containing sodium hydroxide solution. The absorbed methoxyacetic acid is determined by ion chromatography.
Limit of quantification (LOQ)
Absolute: 0.52 µg methoxyacetic acid.
Relative: 0.74 mg/m3 methoxyacetic acid for a 140 L air sample, 10 mL absorption volume and an injection volume of 50 µL.
Issue
December 2002
The measuring method is of limited suitability (E2).
The complete measuring method is available in the Wiley Online Library: Method for the determination of methoxyacetic acid (Air Monitoring Methods, Volume 10, 2007).
You can reach the German-language version of the article with a single click on the flag-symbol.
