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BS ISO 16200-2:2000

Current
Current

The latest, up-to-date edition.

Workplace air quality. Sampling and analysis of volatile organic compounds by solvent desorption/gas chromatography Diffusive sampling method
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

26-11-2004

1 Scope
2 Normative references
3 Principle
4 Reagents and materials
5 Apparatus
6 Sampling
7 Procedure
   7.1 Desorption
   7.2 Analysis
   7.3 Determination of desorption efficiency
   7.4 Calibration of uptake rate
8 Calculations
   8.1 General
   8.2 Mass concentration of analyte
   8.3 Volume concentration of analyte
   8.4 Uptake rates
9 Interferences
10 Precision and bias
11 Storage and transport
12 Test report
13 Quality control
Annex A (informative) Description of sorbent types
Annex B (informative) Diffusive sampling rates (cm[3]/min)
Annex C (informative) Equivalence of gas chromatographic
                      stationary phases
Annex D (informative) Suppliers of charcoal-based organic
                      vapour diffusive samplers
Annex E (informative) Specific information on sampler type A
Annex F (informative) Specific information on sampler type B
Annex G (informative) Specific information on sampler type C
Annex H (informative) Specific information on sampler type D
Annex I (informative) Specific information on sampler type E
Annex J (informative) Retention indices of selected VOCS on
                      BP-1 and BP-10 phases
Bibliography

Gives general guidance for the sampling and analysis of volatile organic compounds (VOCs) in air.

This part of ISO16200 gives general guidance for the sampling and analysis of volatile organic compounds (VOCs) in air.

This part of ISO16200 is applicable to a wide range of VOCs, including hydrocarbons, halogenated hydrocarbons, esters, glycol ethers, ketones and alcohols. A number of devices and sorbents are recommended for the sampling of these VOCs, each sorbent having a different range of applicability.

NOTE Activated coconut shell charcoal is frequently used. Very polar compounds may require derivatization; very low boiling compounds will only be partially retained by the sorbents and can only be estimated qualitatively. Semi-volatile compounds will be fully retained by the sorbents, but may only be partially recovered.

This part of ISO16200 is valid for the measurement of airborne vapours of VOCs in a concentration range of approximately 1mg/m3 to 1000mg/m3 individual organic for an exposure time of 8h.

The upper limit of the useful range is set by the sorptive capacity of the sorbent used and, subject to dilution of the analysed solution, by the linear dynamic range of the gas chromatograph column and detector or by the sample splitting capability of the analytical instrumentation used. The lower limit of the useful range depends on the noise level of the detector and on blank levels of analyte and/or interfering artefacts on the sampling devices or in the desorption solvent. Artefacts are typically sub-nanogram for activated charcoal, but higher levels of aromatic hydrocarbons have been noted in some batches.

Committee
EH/2/2
DevelopmentNote
Supersedes 99/561062 DC. (12/2004)
DocumentType
Standard
Pages
40
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 16200-2:2000 Identical

EN 838:2010 Workplace exposure - Procedures for measuring gases and vapours using diffusive samplers - Requirements and test methods
EN 482:2012+A1:2015 Workplace exposure - General requirements for the performance of procedures for the measurement of chemical agents
ISO 6349:1979 Gas analysis Preparation of calibration gas mixtures Permeation method
EN 1540:2011 Workplace exposure - Terminology
ISO 6141:2015 Gas analysis Contents of certificates for calibration gas mixtures

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