ДСТУ EN 16909:2022 Навколишнє повітря. Вимірювання елементарного вуглецю (EC) і органічного вуглецю (OC), зібраного на фільтрах (EN 16909:2017, IDT)
ДСТУ EN 16909:2022
(EN 16909:2017, IDT)
Навколишнє повітря. Вимірювання елементарного вуглецю (EC)
і органічного вуглецю (OC), зібраного на фільтрах
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)
Contents
European foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
3.1 Terms and definitions
3.2 Abbreviations and acronyms
4 Principle
5 Materials and instruments
5.1 Materials
5.1.1 Gases
5.1.2 Standard solution
5.1.3 Other materials
5.2 Instruments
5.2.1 Sampling instruments
5.2.2 Analytical instruments
6 Sampling
6.1 Filter material
6.2 Preheating of filter material and handling
6.3 Sampling duration and frequency
6.4 Field sampling and type of sampler
6.5 Site types
6.6 Filter environment during sampling
7 Transport and storage
7.1 Handling
7.2 Time and temperature limits
8 Analysis
8.1 General
8.2 Thermal protocol
9 Artefacts and interferences
9.1 General
9.2 Sampling
9.3 Transport and storage
9.4 Analysis
10 Quality assurance/quality control (QA/QC)
10.1 QA/QC for sampling parameters
10.2 Field blank determination
10.3 Laboratory blank determination
10.4 Calibration for TC
10.5 Long term stability and repeatability
10.6 Other-QA/QC checks
10.6.1 Use of quality control filters
10.6.2 Calibration gas injections
10.6.3 Calibration and checks on temperature sensors and optical systems
10.6.4 Stability of the laser signal
10.7 Applicable concentration range
11 Calculation of concentrations of EC and OC
12 Data recording
13 Determination of measurement uncertainty
Annex A (informative) Example of a logbook information
Annex B (informative) An example of a standard operating procedure for analysing EC and OC
B.1 General
B.2 Start-up
B.3 Cleaning the system
B.4 Running the instrument blank
B.5 Running an external calibration standard
B.6 Running an external long term calibration standard
B.7 Running a EC/OC control sample and routine samples
B.8 Shutdown of instrument
Annex C (informative) Methods for the assessment of carbonate carbon
Annex D (informative) Preparation of stock sucrose solutions and calibration standards
Annex E (informative) Example for the determination of measurement uncertainty
Annex F (informative) Statistical analysis of Organic Carbon (OC), Elemental Carbon (EC) and Total Carbon (TC) concentrations collected on filters from field validation exercise
F.1 General
F.2 Analysis methodology
F.2.1 General
F.2.2 Calculating between- and within-laboratory variability
F.2.2.1 Notation
F.2.2.2 Data processing
F.2.2.3 Outlier rejection
F.2.2.4 Data normalization
F.2.2.5 Analysis of variance
F.2.2.6 Calculation of standard deviations
F.2.3 Calculating between-sampler variability
F.2.3.1 Notation
F.2.3.2 Data processing
F.2.4 Combined standard uncertainty
F.3 Remarks
F.4 Results
F.4.1 Data set 1 - Between laboratory and internal laboratory variability
F.4.2 Data set 2 - Between sampler variability
F.4.3 Data set 3a - Site specific ranking
F.4.4 Data set 3B - Uncertainty over the measured concentration range
Annex G (informative) Good example for an instrument blank laser signal for EUSAAR2
Bibliography
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