Indoor Air - Sampling And Analysis Of Volatile Organic Compounds By Sorbent Tube/thermal Desorption/capillary Gas Chromatography - Pumped Sampling
Japanese Standards Association
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents and materials
5.1 Volatile organic compounds (VOC)
5.2 Dilution solvent
5.3 Sorbents
5.4 Calibration standards
5.5 Standard atmosphere
5.6 Standard atmosphere loaded sorbent tubes
5.7 Preparation of solutions for liquid spiking
5.8 Standard liquid loaded sorbent tubes
6 Apparatus and instruments
6.1 Sorbent tubes
6.2 Sorbent tube end caps
6.3 Sorbent tube unions
6.4 Syringes
6.5 Sampling pump
6.6 Plastic or rubber tubing
6.7 Soap-bubble meter or other suitable device for
calibrating pump
6.8 Gas chromatograph
6.9 Thermal desorption apparatus
6.10 Injection facility for preparing standard tube
7 Tube conditioning
8 Calibration of pump
9 Sampling
10 Procedure
10.1 Safety precautions
10.2 Desorption and analysis
10.3 Calibration
10.4 Determination of sample concentration
10.5 Determination of desorption efficiency
11 Calculations
11.1 Mass concentration of analyte
11.2 Volume concentration of analyte
12 Interferences
13 Performance characteristics
14 Test report
15 Quality control
Annex A (normative) Determination of breakthrough volumes
from standard atmosphere
Annex B (normative) Presumption of retention volume by
extrapolation
Annex C (informative) Description of sorbent types
Annex D (informative) Guidance on sorbent selection
Annex E (informative) Guidance on sorbent use
Annex F (informative) Summary on overall uncertainty,
precision, bias and storage
Bibliography
Annex 1 (informative) Comparison table between JIS
and corresponding International
Standard
Gives general guidance for sampling and analysis of volatile organic compounds (VOCs) in air and shall be applied to indoor air.
| Document Type | Standard |
| Status | Current |
| Publisher | Japanese Standards Association |
| Supersedes |
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