{"id":296477,"date":"2024-10-19T20:10:34","date_gmt":"2024-10-19T20:10:34","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-4491-42019\/"},"modified":"2024-10-25T17:28:44","modified_gmt":"2024-10-25T17:28:44","slug":"bs-en-iso-4491-42019","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-4491-42019\/","title":{"rendered":"BS EN ISO 4491-4:2019"},"content":{"rendered":"
This document specifies a method for the determination of the total oxygen content of metallic powders by reduction-extraction at high temperature.<\/p>\n
By agreement, this method is also applicable to the determination of the total oxygen content of sintered metal materials.<\/p>\n
The method is applicable to all powders of metals, alloys, carbides, and mixtures thereof which are non-volatile under the test conditions. The sample can be in powder or compact form.<\/p>\n
The analysis is carried out on the powder as supplied, but the method is not applicable if the powder contains a lubricant or binder. If such substances are present, the method may be used only if they can first be completely removed by a method not affecting the oxygen content of the powder.<\/p>\n
This document is to be read in conjunction with ISO 4491\u20111.<\/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 | Introduction <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 5 Apparatus and materials <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 6 Test portion 7 Procedure 7.1 General <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 7.2 Blank test and calibration 7.3 Test 8 Expression of results 8.1 Permissible tolerances 8.2 Final result 9 Test report <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | Annex A (informative) Examples of conditions of extraction for selected metal powders <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Metallic powders. Determination of oxygen content by reduction methods – Total oxygen by reduction-extraction<\/b><\/p>\n |