{"id":338657,"date":"2024-10-19T23:42:04","date_gmt":"2024-10-19T23:42:04","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-239222020\/"},"modified":"2024-10-25T22:48:24","modified_gmt":"2024-10-25T22:48:24","slug":"bs-iso-239222020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-239222020\/","title":{"rendered":"BS ISO 23922:2020"},"content":{"rendered":"

This document specifies a method for the determination of selected carbonyls (formaldehyde, acetaldehyde, acetone, acrolein, propionaldehyde, crotonaldehyde, 2-butanone and n<\/i>-butyraldehyde) as their 2,4-dinitrophenylhydrazones by reversed phase HPLC-UV\/DAD in mainstream smoke using an intense smoking regime.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\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>\nIntroduction <\/td>\n<\/tr>\n
9<\/td>\n1 Scope
2 Normative references
3 Terms and definitions
4 Principle <\/td>\n<\/tr>\n
10<\/td>\n5 Apparatus <\/td>\n<\/tr>\n
11<\/td>\n6 Reagents
7 Preparation
7.1 Preparation of glassware <\/td>\n<\/tr>\n
12<\/td>\n7.2 Preparation of solutions
7.3 Preparation of standards
7.3.1 HPLC calibration standards and working solutions <\/td>\n<\/tr>\n
13<\/td>\n7.3.2 Carbonyl working standards
8 Sampling
9 Tobacco product preparation
10 Sample generation \u2014 Smoking of cigarettes
10.1 General
10.2 Smoking machine setup <\/td>\n<\/tr>\n
14<\/td>\n10.3 Smoking
10.3.1 General
10.3.2 Linear smoking
10.3.3 Rotary smoking <\/td>\n<\/tr>\n
15<\/td>\n11 Sample analysis
11.1 Preparation of mainstream smoke extract solution
11.2 Reversed phase high performance liquid chromatography
11.2.1 Chromatographic conditions
11.2.2 Mobile phase reagents <\/td>\n<\/tr>\n
16<\/td>\n11.2.3 HPLC separation conditions
11.3 Calculation
11.3.1 Calibration curve
11.3.2 Sample quantification <\/td>\n<\/tr>\n
17<\/td>\n12 Repeatability and reproducibility
12.1 General <\/td>\n<\/tr>\n
18<\/td>\n12.2 Results from the 2012 collaborative study <\/td>\n<\/tr>\n
21<\/td>\n13 Test report <\/td>\n<\/tr>\n
22<\/td>\nAnnex A (informative) Recrystallization of 2,4-dinitrophenylhydrazine <\/td>\n<\/tr>\n
23<\/td>\nAnnex B (normative) Example of calibration standards preparation <\/td>\n<\/tr>\n
24<\/td>\nAnnex C (informative) HPLC chromatogram of a typical combined carbonyl calibration standard <\/td>\n<\/tr>\n
25<\/td>\nAnnex D (informative) HPLC chromatogram of carbonyls in DNPH extract of mainstream cigarette smoke <\/td>\n<\/tr>\n
26<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Cigarettes. Determination of selected carbonyls in the mainstream smoke of cigarettes with an intense smoking regime. Method using high performance liquid chromatography<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2020<\/td>\n28<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":338660,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-338657","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\/338657","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\/338660"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=338657"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=338657"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=338657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}