UNI CEN/TS 15439 : 2008

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Principle of the measurement method
   5.1 Introduction
   5.2 Sampling
   5.3 Analysis
6 Reagents
   6.1 Solvent for tar collection and Soxhlet extraction
   6.2 Carrier gas in gas chromatography
   6.3 Calibration standards
7 Equipment
   7.1 Equipment for sampling
   7.2 Equipment for sample pretreatment and analysis
8 Preparation of sampling equipment
   8.1 Preconditioning of filter thimbles
   8.2 Cleaning of equipment
   8.3 Preparation of impinger bottles or Petersen column
   8.4 Sampling train leak test
9 Procedure for sampling
   9.1 Introduction
   9.2 Duration of sampling
   9.3 Sampling procedure
10 Storage of samples
11 Preparation for analysis
   11.1 Introduction
   11.2 Requirements for GC calibration standards and
        internal standards (ISTD)
12 Analysis procedures
   12.1 Soxhlet extraction procedure
   12.2 Combination of solvents
   12.3 Determination of particle mass
   12.4 Determination of gravimetric tar mass
   12.5 Determination of individual tar compounds by
        GC-MS or GC-FID
13 Calculation of GC results
14 Performance characteristics
   14.1 Introduction
   14.2 Performance of the analysis methods (Round Robin
        tests)
   14.3 Performance of the whole Technical Specification
        (parallel tests)
15 Test report
Annex A (informative) - List of most abundant individual
        organic compounds in biomass gasification product
        gases
Annex B (normative) - List of organic compounds for which
        precision data have been collected
Annex C (normative) - Dimensions of the Petersen column
Annex D (informative) - Additional information on Round
        Robin analysis
Annex E (informative) - Additional information on parallel
        tests
Bibliography

Provides methods for sampling and analysis of tars and particles in order to determine the load of these contaminants in flowing biomass gasification product gases.