{"id":294210,"date":"2024-10-19T20:00:01","date_gmt":"2024-10-19T20:00:01","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-49472020\/"},"modified":"2024-10-25T17:13:10","modified_gmt":"2024-10-25T17:13:10","slug":"bs-en-iso-49472020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-49472020\/","title":{"rendered":"BS EN ISO 4947:2020"},"content":{"rendered":"
This document specifies a potentiometric titration method for the determination of vanadium in steel and cast iron.<\/p>\n
The method is applicable to vanadium contents between 0,04 % (mass fraction) and 2 % (mass fraction).<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
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2<\/td>\n | National foreword <\/td>\n<\/tr>\n | ||||||
4<\/td>\n | European foreword <\/td>\n<\/tr>\n | ||||||
6<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 5 Reagents 5.13.1 Preparation of the solution <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 6 Apparatus 7 Sampling 8 Procedure 8.1 Test portion 8.2 Blank test <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 8.3 Determination 8.3.1 Preparation of the test solution 8.3.2 Oxidation of chromium and vanadium 8.3.3 Preparation of the solution for titration <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 8.3.4 Oxidation of vanadium 8.4 Titration 9 Expression of results 9.1 Method of calculation <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 9.2 Precision 10 Test report <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | Annex A (informative) Additional information on the international interlaboratory test <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | Annex B (informative) Graphical representation of precision data <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Steel and cast iron. Determination of vanadium content. Potentiometric titration method<\/b><\/p>\n |