{"id":305473,"date":"2024-10-19T20:54:28","date_gmt":"2024-10-19T20:54:28","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-21561-22016\/"},"modified":"2024-10-25T18:29:09","modified_gmt":"2024-10-25T18:29:09","slug":"bs-iso-21561-22016","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-21561-22016\/","title":{"rendered":"BS ISO 21561-2:2016"},"content":{"rendered":"
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
6<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | 1 Scope 2 Normative references 3 Principle <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 4 Apparatus 5 Calibration 5.1 FTIR 5.2 ATR 6 Sampling 7 Procedure for measuring ATR spectrum <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 8 Determination of the microstructure of butadiene and the styrene content 8.1 Measurement of the absorbance for each microstructure component <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 8.2 Calculation of microstructures 8.2.1 General <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 8.2.2 Base line correction of each absorbance peak 8.2.3 Ratio of absorbance 8.2.4 Second order terms 8.2.5 Styrene content and microstructures in mass % by regression formulae <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 8.2.6 Microstructures in mol % 9 Precision 10 Test report <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | Annex\u00a0A (informative) Precision results from an interlaboratory test programme <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | Annex\u00a0B (informative) Acquisition of regression formulae for microstructure <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | Annex\u00a0C (informative) Determination of microstructure by NMR spectrometry <\/td>\n<\/tr>\n | ||||||
22<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Styrene-butadiene rubber (SBR). Determination of the microstructure of solution-polymerized SBR – FTIR with ATR method<\/b><\/p>\n |