{"id":379859,"date":"2024-10-20T03:04:19","date_gmt":"2024-10-20T03:04:19","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-135462021\/"},"modified":"2024-10-26T05:32:21","modified_gmt":"2024-10-26T05:32:21","slug":"bs-iso-135462021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-135462021\/","title":{"rendered":"BS ISO 13546:2021"},"content":{"rendered":"
This document specifies an acid digestion and vapour generation atomic absorption spectrometric method for the determination of the mercury content in copper sulfide concentrates.<\/p>\n
This document is applicable to mass fraction of mercury between 5 \u00b5g\/g and 65 \u00b5g\/g in copper sulfide concentrates.<\/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 | ||||||
6<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 4 Principle 5 Reagents <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 6 Apparatus <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 7 Sampling and sampling preparation 7.1 Test sample 7.2 Test portion 8 Procedure 8.1 Number of determinations 8.2 Blank test <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 8.3 Dissolution of the test portion 8.4 Storage of digested solutions 8.5 Preparation of sample solutions 8.6 Preparation of test solutions 8.7 Preparation of calibration solutions 8.8 Preparation of mercury calibration graph <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 8.9 Determination of mercury content in test solutions 9 Expression of results 10 Procedure for obtaining the final result 11 Precision 11.1 Expression of precision <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 11.2 Procedure for obtaining the final result 11.3 Precision between laboratories <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 11.4 Check of trueness 11.4.1 General 11.4.2 Type of certified reference material or reference material 11.4.3 Reference material certified or characterized by an interlaboratory test programme 11.4.4 Reference material certified or characterized by one laboratory <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | 12 Test report <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | Annex A (normative) Procedure for obtaining the final results <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Copper concentrates. Determination of mercury content. Cold vapour atomic absorption spectrometric method<\/b><\/p>\n |