{"id":445801,"date":"2024-10-20T08:43:35","date_gmt":"2024-10-20T08:43:35","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-21268-52023\/"},"modified":"2024-10-26T16:15:16","modified_gmt":"2024-10-26T16:15:16","slug":"bs-iso-21268-52023","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-21268-52023\/","title":{"rendered":"BS ISO 21268-5:2023"},"content":{"rendered":"
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
2<\/td>\n | National 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 <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 4 Principle 5 Reagents <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 5.5 Compressed air. 5.6 Nitrogen gas N2. 6 Apparatus 6.3 Mechanical top stirrer. 6.4 PTFE stirring rod with two movable blades. <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 6.14 Device for measuring electrical conductivity. <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 7 Sample pretreatment 7.1 Preparation of laboratory sample and specification of particle size 7.2 Preparation of test sample 7.3 Determination of the dry matter content and of water content <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | 7.4 Preparation of the test portion 8 Procedure 8.1 Temperature <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | 8.2 Preparation of leachants 8.2.1 General 8.2.2 Calcium chloride solution, c(CaCl2) = 0,001 mol\/l 8.2.3 Anaerobic calcium chloride solution, c(CaCl2) = 0,001 mol\/l with 0,100 mol\/l Na-L-Lactate 8.3 Leaching step 8.3.1 Calculation to the quantity of leachant <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | 8.3.2 Aerobic leaching procedure 8.3.3 Anaerobic leaching procedure <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | 8.4 Liquid\/solid separation step <\/td>\n<\/tr>\n | ||||||
19<\/td>\n | 8.5 Further preparation of the eluate for analysis 8.6 Blank test 9 Calculation 10 Test report <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | 11 Analytical determination 11.1 General 11.2 Blank test information <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | Annex A (informative) Examples of aerobic and anaerobic extraction <\/td>\n<\/tr>\n | ||||||
24<\/td>\n | Annex B (informative) Example of a specific liquid-solid separation procedure for soil samples <\/td>\n<\/tr>\n | ||||||
26<\/td>\n | Annex C (informative) Calculation of centrifugation duration depending on centrifugation speed and rotor dimensions <\/td>\n<\/tr>\n | ||||||
28<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Soil quality. Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil-like materials – Batch test with forced aerobic or anaerobic conditions<\/b><\/p>\n |