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eLibrary > BS ISO 13914:2023 - TC Tracked Changes. Soil, treated biowaste and sludge. Determination of dioxins and furans and dioxin-like polychlorinated biphenyls by gas chromatography with high resolution mass selective detection (HR GC-MS) >

BS ISO 13914:2023 - TC Tracked Changes. Soil, treated biowaste and sludge. Determination of dioxins and furans and dioxin-like polychlorinated biphenyls by gas chromatography with high resolution mass selective detection (HR GC-MS), 2023

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BS ISO 13914:2023 - TC Tracked Changes. Soil, treated biowaste and sludge. Determination of dioxins and furans and dioxin-like polychlorinated biphenyls by gas chromatography with high resolution mass selective detection (HR GC-MS), 2023

A-30429551.pdf [Go to Page]
National foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviated terms
5 Principle
6 Reagents [Go to Page]
6.1 Chemicals
6.2 Standards
7 Apparatus and materials [Go to Page]
7.1 Equipment for sample preparation [Go to Page]
7.1.2 Desiccator.
7.2 Soxhlet extractor
7.3 Clean-up apparatus
7.4 Concentration apparatus
7.5 Other equipment
8 Sample storage and sample pretreatment [Go to Page]
8.1 Sample storage
8.2 Sample pretreatment
9 Extraction and clean-up [Go to Page]
9.1 General
9.2 Extraction
9.3 Clean-up [Go to Page]
9.3.1 General
9.3.2 Gel permeation chromatography
9.3.3 Multilayer column
9.3.4 Sulphuric acid treatment
9.3.5 Activated carbon column
9.3.6 Aluminium oxide column
9.3.7 Removal of sulphur
9.4 Final concentration of cleaned sample extract
9.5 Addition of recovery standard
10 HRGC/HRMS analysis [Go to Page]
10.1 General
10.2 Gas chromatographic analysis
10.3 Mass spectrometric detection
10.4 Minimum requirements for identification of PCDF/PCDD and PCB
10.5 Minimum requirements for quantification of PCDF/PCDD and PCB
10.6 Calibration of the HRGC/HRMS system [Go to Page]
10.6.1 General
10.6.2 Calibration for 2,3,7,8-congeners
10.6.3 Calibration for sum of homologue groups
10.7 Quantification of HRGC/HRMS results [Go to Page]
10.7.1 Quantification of concentrations of 2,3,7,8-congeners
10.7.2 Quantification of recovery rates of 13C-labelled standards
10.7.3 Quantification of sum of homologue groups
10.7.4 Calculation of the toxic equivalent
10.7.5 Calculation of the limit of detection and the limit of quantification
11 Expression of results
12 Precision
13 Test report
Annex A (informative) Toxic equivalency factor (TEF)
Annex B (informative) Examples of extraction and clean-up methods
Annex C (informative) Examples of operation of GC/HRMS determination — Example
Annex D (informative) Repeatability and reproducibility data
Bibliography [Go to Page]

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BS ISO 13914:2023 - TC Tracked Changes. Soil, treated biowaste and sludge. Determination of dioxins and furans and dioxin-like polychlorinated biphenyls by gas chromatography with high resolution mass selective detection (HR GC-MS), 2023

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