{"id":462791,"date":"2024-10-20T10:24:20","date_gmt":"2024-10-20T10:24:20","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-101782024\/"},"modified":"2024-10-26T19:17:59","modified_gmt":"2024-10-26T19:17:59","slug":"bs-en-101782024","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-101782024\/","title":{"rendered":"BS EN 10178:2024"},"content":{"rendered":"
This document specifies a spectrophotometric method for the determination of niobium in steels. The method is applicable to all grades of steels with niobium contents up to 1,3 % (by mass), with a lower limit of detection of 0,002 % (by mass). The precision data of the present method are given in Annex A.<\/p>\n
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2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
5<\/td>\n | European foreword <\/td>\n<\/tr>\n | ||||||
6<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle 5 Reagents <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 6 Apparatus 7 Sampling 8 Procedure 8.1 Test portion 8.2 Blank test 8.3 Determination 8.3.1 Preparation of the test solution 8.3.2 Separation of the niobium <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 8.3.3 Development of the colour Table 1 \u2014 Volume of the aliquot 8.3.4 Spectrophotometric measurement 8.4 Establishment of the calibration curve 8.4.1 Preparation of the calibration solutions <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | Table 2 \u2014 Calibration solutions 8.4.2 Spectrophotometric measurements 8.4.3 Plotting the calibration curve <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | Table 3 \u2014 Relationships with the calibration curve for 10 ml and 5 ml aliquots 9 Expression of results 10 Test report <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | Annex A (informative) Precision data Table A.1 \u2014 Statistical information <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Steels. Determination of niobium. Spectrophotometric method<\/b><\/p>\n |