ДСТУ EN 15852:2022 Качество атмосферного воздуха. Стандартный метод определения общего содержания газообразной ртути (EN 15852:2010, IDT)



ДСТУ EN 15852:2022
(EN 15852:2010, IDT)

Якість атмосферного повітря. Стандартний метод

визначення загального вмісту газоподібної ртуті

 

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

Contents

Foreword

1 Scope

2 Normative references

3 Terms and definitions

4 Symbols and abbreviated terms

4.1 Symbols

4.2 Abbreviations

5 Principle

6 Requirements

6.1 Siting criteria

6.2 Method requirements

6.3 Method detection limit

6.4 Field operation and quality control

7 Reagents

8 Apparatus

8.1 Sampling equipment

8.2 Analytical instrumentation

8.3 Calibration equipment

9 Sampling considerations

9.1 Inlet location

9.2 Sampling inlet and sampling line

9.3 Measurement time

10 Measurement procedure

10.1 Calibration with AFS/AAS

10.2 Calibration with Zeeman AAS

11 Quality control

11.1 Calibration robustness check

11.2 Zero gas check

11.3 Degradation of gold traps

11.4 Proficiency testing scheme

11.5 Accreditation

11.6 Measurement uncertainty

12 Calculation of results

12.1 General

12.2 Calculation of TGM concentrations to reference conditions

12.3 Method detection limit

12.4 Repeatability

12.5 Drift in instrument sensitivity

13 Estimation of the measurement uncertainty method and performance criteria

13.1 Introduction

13.2 Assessment against target measurement uncertainty for individual laboratories

13.3 Use of uncertainties in reporting of results

14 Performance characteristics determined in field tests

15 Interferences

15.1 General

15.2 Mercury analyser based on amalgamation and CVAAS or CVAFS

15.3 Mercury analyser based on Zeeman AAS

16 Reporting of results

Annex A (informative) Sampling sites

Annex B (informative) Manual method TGM

Annex C (informative) Summary of field validation tests

Annex D (informative) Characteristics of the mercury vapour source

Annex E (informative) Calibration

Annex F (informative) Assessment against target uncertainty by an individual laboratory

Annex G (informative) Relationship between this European Standard and the Essential Requirements of EU Directives

Bibliography