{"id":338532,"date":"2024-10-19T23:41:26","date_gmt":"2024-10-19T23:41:26","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-229802020\/"},"modified":"2024-10-25T22:47:37","modified_gmt":"2024-10-25T22:47:37","slug":"bs-iso-229802020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-229802020\/","title":{"rendered":"BS ISO 22980:2020"},"content":{"rendered":"
This document specifies a method for the determination of the content of total alkaloids as nicotine in tobacco by continuous-flow analysis. This method is applicable to leaf samples, stems, reconstituted tobacco sheet materials and tobacco blends.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
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2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
6<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | Introduction <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle 5 Reagents <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 6 Preparation of solutions 6.1 General <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 6.2 System wash solution 6.3 5 % acetic acid solution 6.4 Sampler wash solution 6.5 Potassium thiocyanate solution 6.6 Sodium dichloroisocyanurate (DCIC) solution 6.7 Neutralisation solution A 6.8 Neutralisation solution B 6.9 Buffer solution A 6.10 Buffer solution B 7 Preparation of standards 7.1 General <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 7.2 Nicotine stock solution 7.3 Working standards 8 Apparatus 9 Procedure 9.1 Preparation of samples for analysis 9.2 Test portion 9.3 Preparation of test extract <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 10 Calculation 11 Repeatability and reproducibility <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 12 Test report <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | Annex A (informative) Suitable flow diagrams <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Tobacco. Determination of the content of total alkaloids as nicotine. Continuous-flow analysis method using KSCN\/DCIC<\/b><\/p>\n |