{"id":215584,"date":"2024-10-19T13:58:38","date_gmt":"2024-10-19T13:58:38","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-dd-257-22003\/"},"modified":"2024-10-25T07:00:14","modified_gmt":"2024-10-25T07:00:14","slug":"bsi-dd-257-22003","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-dd-257-22003\/","title":{"rendered":"BSI DD 257-2:2003"},"content":{"rendered":"
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
1<\/td>\n | DRAFT FOR DEVELOPMENT <\/td>\n<\/tr>\n | ||||||
2<\/td>\n | Committees responsible for this Draft for Development <\/td>\n<\/tr>\n | ||||||
3<\/td>\n | Contents <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | Introduction 1 Scope <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 2 Normative references 3 Terms and definitions 3.1 ethanolic hydrochloric acid 3.2 aqueous ethanolic hydrochloric acid 4 Method 1 \u2014 Polarographic method 4.1 Principle 4.2 Reagents and materials <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 4.3 Apparatus <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 4.4 Preparation of each ion-exchange column 4.5 Preparation of test solutions <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 4.6 Procedure <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 4.7 Calculations <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 4.8 Expression of results 4.9 Precision 5 Method 2 \u2014 Thin-layer chromatographic method 5.1 Principle 5.2 Reagents and materials <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 5.3 Apparatus 5.4 Preparation of the chromatography tank 5.5 Preparation of test solutions <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | Table 1 – Relative retention values ( <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | 5.6 Procedure 5.7 Calculations <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | 5.8 Expression of results 5.9 Precision <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | 6 Test report <\/td>\n<\/tr>\n | ||||||
19<\/td>\n | Annex A (informative) Differentiation of monobutyltin trichloride and inorganic tin chloride compounds A.1 Principle A.2 Reagents and materials A.2.1 General A.2.2 Reagents A.2.3 Standard solutions A.3 Apparatus A.3.1 Chromatography tank A.3.2 Pre-coated thin-layer chromatography plates A.3.3 Disposable micropipettes A.3.4 Spray unit A.3.5 Source of broad spectrum unfiltered ultraviolet radiation. <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | A.4 Procedure Table A.1 – Relative retention values ( <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Methods of analysis of wood preservatives and treated timber – Quantitative analysis of wood preservative solutions and treated timber containing n<\/i>-butyltin compounds. Determination of tributyltin, dibutyltin and monobutyltin<\/b><\/p>\n |