{"id":302780,"date":"2024-10-19T20:41:23","date_gmt":"2024-10-19T20:41:23","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-102582018\/"},"modified":"2024-10-25T18:13:15","modified_gmt":"2024-10-25T18:13:15","slug":"bs-iso-102582018","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-102582018\/","title":{"rendered":"BS ISO 10258:2018"},"content":{"rendered":"
This document specifies two titrimetric methods for the determination of the copper content of copper sulfide concentrates in the range 15 % (m\/m) to 50 % (m\/m), using sodium thiosulfate after separation (method 1) or without separation (method 2) of copper from interfering elements.<\/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 4 Principle 4.1 Method 1 (Long iodide method) 4.2 Method 2 (Short iodide method) <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 5 Reagents <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 6 Apparatus 7 Sample 7.1 Test sample 7.2 Test portion 8 Procedure 8.1 Number of determinations <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 8.2 Blank test 8.3 Determination \u2014 Method 1: Long iodide method 8.3.1 Decomposition of test portion 8.3.2 Separation of copper <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 8.3.3 Dissolution of copper precipitate 8.3.4 Titration 8.3.5 FAAS determination of copper in the insoluble residue, filtrate, and filter paper <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 8.4 Determination \u2014 Method 2: Short iodide method 8.4.1 Decomposition of the test portion 8.4.2 Titration <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 9 Expression of results 10 Precision 10.1 Expression of precision <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | 10.2 Method for obtaining the final result (see Annex B) 10.3 Precision between laboratories <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | 10.4 Check of trueness <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | 11 Test report <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | Annex A (informative) Procedure for the preparation and determination of the mass of a predried test portion <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | Annex B (normative) Flowsheet of the procedure for the acceptance of analytical values for test samples <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | Annex C (informative) Derivation of precision formulae <\/td>\n<\/tr>\n | ||||||
26<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Copper sulfide concentrates. Determination of copper content. Titrimetric methods<\/b><\/p>\n |