{"id":389594,"date":"2024-10-20T03:50:44","date_gmt":"2024-10-20T03:50:44","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-50732021\/"},"modified":"2024-10-26T07:03:57","modified_gmt":"2024-10-26T07:03:57","slug":"bs-iso-50732021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-50732021\/","title":{"rendered":"BS ISO 5073:2021"},"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 4 Principle 4.1 Total humic acids <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 4.2 Free humic acid 5 Reagents <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 6 Apparatus 7 Sample 8 Procedure 8.1 Extraction of total humic acids 8.2 Extraction of free humic acid <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 8.3 Determination of humic acids in extracts 8.3.1 For total humic acids 8.3.2 For free humic acids 9 Calculation and expression of results <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 10 Precision 10.1 Repeatability limit 11 Test report <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | Annex A (normative) Determination of the ratio of carbon mass fraction to humic acids mass fraction of brown coals and lignites <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Brown coals and lignites. Determination of humic acids<\/b><\/p>\n |