{"id":126373,"date":"2024-10-19T05:36:14","date_gmt":"2024-10-19T05:36:14","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-21561-22024\/"},"modified":"2024-10-24T23:19:44","modified_gmt":"2024-10-24T23:19:44","slug":"bs-iso-21561-22024","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-21561-22024\/","title":{"rendered":"BS ISO 21561-2:2024"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nundefined <\/td>\n<\/tr>\n
6<\/td>\nForeword <\/td>\n<\/tr>\n
7<\/td>\n1 Scope
2 Normative references
3 Terms and definitions <\/td>\n<\/tr>\n
8<\/td>\n4 Principle
5 Apparatus
6 Calibration
6.1 FTIR
6.2 ATR
7 Sampling <\/td>\n<\/tr>\n
9<\/td>\n8 Procedure for measuring ATR spectrum
9 Determination of the microstructure of butadiene and the styrene content
9.1 Measurement of the absorbance for each microstructure component <\/td>\n<\/tr>\n
10<\/td>\n9.2 Calculation of microstructures
9.2.1 General
9.2.2 Base line correction of each absorbance peak <\/td>\n<\/tr>\n
11<\/td>\n9.2.3 Ratio of absorbance
9.2.4 Second order terms
9.2.5 Styrene content and contents of three microstructure types of butadiene portion by regression formulae <\/td>\n<\/tr>\n
12<\/td>\n9.2.6 Contents of three microstructure types relative to butadiene portion in the S-SBR
10 Precision
11 Test report <\/td>\n<\/tr>\n
13<\/td>\nAnnex A (informative) Precision results from an interlaboratory test programme <\/td>\n<\/tr>\n
16<\/td>\nAnnex B (informative) Acquisition of regression formulae for microstructure <\/td>\n<\/tr>\n
18<\/td>\nAnnex C (informative) Determination of microstructure by NMR spectrometry <\/td>\n<\/tr>\n
21<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Styrene-butadiene rubber (SBR). Determination of the microstructure of solution-polymerized SBR – Fourier transform infrared spectrometry (FTIR) with attenuated total reflection (ATR) method<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2024<\/td>\n22<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":126375,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-126373","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/126373","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/126375"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=126373"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=126373"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=126373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}