BS ISO 20552:2007
Current
The latest, up-to-date edition.
Workplace air. Determination of mercury vapour. Method using gold-amalgam collection and analysis by atomic absorption spectrometry or atomic fluorescence spectrometry
Hardcopy , PDF
English
30-03-2007
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reactions
6 Requirement
7 Reagents
8 Apparatus
8.1 Sampling equipment
8.2 Analytical instrumentation
9 Occupational exposure assessment
9.1 General
9.2 Static (area) sampling
9.3 Personal sampling
9.4 Selection of measurement conditions and
measurement pattern
10 Sampling
10.1 Preliminary considerations
10.2 Preparation for sampling
10.3 Sampling position
10.4 Collection of samples
10.5 Transportation of samples
11 Analysis
12 Expression of results
12.1 Calculation of the air sample volumes
12.2 Calculation of airborne mercury concentrations
13 Method performance
13.1 Detection and quantification limits
13.2 Upper limits of the analytical range
13.3 Blank values
13.4 Bias and precision
13.5 Effects on sampler performance
13.6 Collection efficiency, breakthrough volume and
sampling capacity of sorbent tubes
13.7 Storage stability
13.8 Interferences
14 Test report
Annex A (informative) Temperature and pressure correction
Annex B (informative) Figures
Bibliography
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