{"id":445469,"date":"2024-10-20T08:41:58","date_gmt":"2024-10-20T08:41:58","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-178442023\/"},"modified":"2024-10-26T16:11:20","modified_gmt":"2024-10-26T16:11:20","slug":"bs-en-178442023","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-178442023\/","title":{"rendered":"BS EN 17844:2023"},"content":{"rendered":"
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 4 Abbreviations <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 5 Sample preparation 6 Principle 6.1 Flow chart 6.2 Sample pre-treatment 6.3 Extraction and sample pre-treatment 6.3.1 Determination of PAH 6.3.2 Determination of BTEX 6.4 Gas chromatography determination 6.4.1 Determination of PAH <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 6.4.2 Determination of BTEX 7 Reagents <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | 8 Equipment and devices <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | 9 Sampling 10 Preservation and pre-treatment of samples 10.1 Sealant and roofing material <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | 10.2 Other construction products 11 Method 11.1 Choice of method 11.2 Method for determining PAH <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | 11.3 Method for determining BTEX <\/td>\n<\/tr>\n | ||||||
22<\/td>\n | 11.4 Calibration 11.5 Identification 11.5.1 Criteria 11.5.2 Gas chromatography criterion <\/td>\n<\/tr>\n | ||||||
23<\/td>\n | 11.5.3 Mass spectrometry criterion 11.6 HPLC analysis <\/td>\n<\/tr>\n | ||||||
24<\/td>\n | 12 Calculation of results 12.1 Calculation of individual PAH contents 12.2 Calculation of PAH contents with correction for recovery <\/td>\n<\/tr>\n | ||||||
25<\/td>\n | 12.3 Calculation of individual BTEX contents 12.4 Rounding 12.5 Calculation of resolution of the different compounds <\/td>\n<\/tr>\n | ||||||
26<\/td>\n | 12.6 Recovery 13 Test performance <\/td>\n<\/tr>\n | ||||||
27<\/td>\n | 14 Test report <\/td>\n<\/tr>\n | ||||||
29<\/td>\n | Annex A (normative)List of PAH and BTEX <\/td>\n<\/tr>\n | ||||||
30<\/td>\n | Annex B (informative)Chromatography tube for clean-up of an extract <\/td>\n<\/tr>\n | ||||||
31<\/td>\n | Annex C (informative)Validation results for content of PAH and BTEX in construction products C.1 General C.2 Precision data for content of PAHs and BTEX in construction products <\/td>\n<\/tr>\n | ||||||
36<\/td>\n | Annex D (informative)Example settings that can serve as a starting point for the analysis and detection of PAH and BTEX D.1 Example settings for the analysis and detection of PAH <\/td>\n<\/tr>\n | ||||||
37<\/td>\n | D.2 Example settings for the analysis and detection of BTEX <\/td>\n<\/tr>\n | ||||||
39<\/td>\n | Annex E (informative)Flowchart for determining PAH and BTEX <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Construction products: Assessment of release of dangerous substances. Determination of the content of polycyclic aromatic hydrocarbons (PAH) and of benzene, toluene, ethylbenzene and xylenes (BTEX). Gas chromatographic method with mass spectrometric detection<\/b><\/p>\n |