I.S. EN 14662-1:2005
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
AMBIENT AIR QUALITY - STANDARD METHOD FOR MEASUREMENT OF BENZENE CONCENTRATIONS - PART 1: PUMPED SAMPLING FOLLOWED BY THERMAL DESORPTION AND GAS CHROMATOGRAPHY
Hardcopy , PDF
11-01-2024
English
01-01-2005
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Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Method description
4.1 Principle
4.2 Reagents and materials
4.3 Apparatus
4.4 Sample tube conditioning
4.5 Setting of sampling flow rate
4.6 Sampling
4.7 Procedure
4.8 Calculation of mass concentration of benzene
4.9 Report
5 Determination of measurement uncertainty
5.1 Introduction
5.2 Parameters contributing to measurement uncertainty
6 Recommendations for use
Annex A (informative) Extrapolated retention volumes and
safe sampling volumes for benzene at
20 degree C
Annex B (informative) Description of sorbent types
Annex C (informative) Guidance on sorbent selection
Annex D (informative) Guidance on sorbent use
Annex E (informative) Determination of breakthrough volume
from gas standards
Annex F (informative) Determination of breakthrough volumes
from extrapolated retention volumes
Annex G (informative) Assessment of performance indicators
and uncertainty contributions
Annex H (informative) Performance characteristics
Bibliography
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