ДСТУ EN 14791:2022 Стационарные источники выбросов. Определение массовой концентрации окислов серы. Стандартный контрольный метод (EN 14791:2017, IDT)



ДСТУ EN 14791:2022
(EN 14791:2017, IDT)

Стаціонарні джерела викидів. Визначення масової
концентрації оксидів сірки. Стандартний контрольний метод

 
   
 
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

European foreword

1 Scope

2 Normative references

3 Terms and definitions

4 Symbols and abbreviations

4.1 Symbols

4.2 Abbreviated terms

5 Principle

5.1 General

5.2 Measuring principle

6 Description of measuring system

6.1 Reagents

6.2 Sampling equipment

6.3 Analysis equipment

7 Performance characteristics of the SRM

7.1 General

7.2 Performance characteristics of the sampling system

7.3 Performance characteristics of the analysis

7.4 Establishment of the uncertainty budget

8 Field operation

8.1 Measurement planning

8.2 Sampling strategy

8.3 Assembling the equipment

8.4 Heating of the sample gas line

8.5 Leak test

8.6 Performing sampling

8.7 Measurement series

8.8 Field blank

8.9 Absorption efficiency

9 Analytical procedure

9.1 General

9.2 Ion Chromatography method

9.3 Thorin Method

10 Expression of results

11 Equivalence of Thorin and ion chromatography methods

11.1 General

11.2 Range

11.3 Matrix effect

11.4 Comparison of repeatability and trueness

12 Equivalence of an alternative method

13 Measurement report

Annex A (informative) Validation of the method in the field

Annex B (informative) Examples of absorbers

Annex C (informative) Example of assessment of compliance of standard reference method for SO 2 with requirements on emission measurements

Annex D (informative) Type of sampling equipment

Annex E (informative) Example of comparison of repeatability and trueness of Thorin Method and Ion Chromatography Method

Annex F (informative) Calculation of the uncertainty associated with a concentration expressed on dry gas and at an oxygen reference concentration

Annex G (informative) Significant technical changes

Bibliography