Indoor Air - Sampling And Analysis Of Volatile Organic Compounds By Sorbent Tube/thermal Desorption/capillary Gas Chromatography - Diffusive Sampling
Japanese Standards Association
Introduction
1 Scope
2 Normative reference
3 Principle
4 Reagents and materials
4.1 Volatile organic compounds (VOC)
4.2 Dilution solvent
4.3 Sorbents
4.4 Calibration standards
4.5 Standard atmosphere
4.6 Standard atmosphere loaded sorbent tubes
4.7 Preparation of solutions for liquid spiking
4.8 Standard liquid loaded sorbent tubes
5 Apparatus and instruments
5.1 Sorbent tubes
5.2 Sorbent tube end caps
5.3 Diffusion end caps
5.4 Syringes
5.5 Gas chromatograph
5.6 Thermal desorption apparatus
5.7 Injection facility for preparing standard tube
6 Tube conditioning
7 Sampling
8 Procedure
8.1 Safety precautions
8.2 Desorption and analysis
8.3 Calibration
8.4 Determination of sample concentration
8.5 Determination of desorption efficiency
8.6 Calibration of uptake rate
9 Calculations
9.1 Mass concentration of analyte
9.2 Volume concentration of analyte
9.3 Uptake rate qv and qv relation
10 Interferences
11 Performance characteristics
12 Test report
13 Quality control
Annex A (normative) Operating principles of diffusive
sampling
Annex B (normative) Description of sorbent types
Annex C (informative) Guidance on sorbent selection
Annex D (informative) Guidance on sorbent use
Annex E (informative) Actual measurement data of diffusive
sampling in Japan
Annex F (informative) Summary of data on overall uncertainty,
precision, bias and storage
Bibliography
Annex 1 (informative) Comparison table between JIS and
corresponding International Standard
Gives general guidance for the sampling and analysis of volatile organic compounds (hereafter referred to as "VOC") in air.
| Document Type | Standard |
| Status | Current |
| Publisher | Japanese Standards Association |
| Supersedes |
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