{"id":315359,"date":"2024-10-19T21:44:01","date_gmt":"2024-10-19T21:44:01","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-50732013\/"},"modified":"2024-10-25T19:52:21","modified_gmt":"2024-10-25T19:52:21","slug":"bs-iso-50732013","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-50732013\/","title":{"rendered":"BS ISO 5073:2013"},"content":{"rendered":"
This International Standard specifies volumetric methods for the determination of<\/p>\n
total humic acids, and<\/p>\n<\/li>\n
free humic acid,<\/p>\n<\/li>\n<\/ol>\n
of brown coals and lignites.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
6<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | Introduction <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | Section sec_1 Section sec_2 Section sec_3 Section sec_4 Section sec_4.1 1\tScope 2\tNormative references 3\tTerms and definitions 4\tPrinciple 4.1\tTotal humic acids <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | Section sec_4.2 Section sec_5 Section sec_5.1 Section sec_5.2 Section sec_5.3 Section sec_5.4 Section sec_5.5 Section sec_5.6 Section sec_5.7 4.2\tFree humic acid 5\tReagents <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | Section sec_6 Section sec_6.1 Section sec_6.2 Section sec_7 Section sec_8 Section sec_8.1 Section sec_8.2 Section sec_8.3 Section sec_8.3.1 Section sec_8.3.2 6\tApparatus 7\tSample 8\tProcedure 8.1\tExtraction of total humic acids 8.2\tExtraction of free humic acid 8.3\tDetermination of humic acids in extracts <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | Section sec_8.3.3 Section sec_8.3.3.1 Section sec_8.3.3.2 Section sec_9 Section sec_10 9\tExpression of results 10\tPrecision of the method\u00a0\u2014 Repeatability limit <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | Table tab_1 Section sec_11 11\tTest report <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | Annex sec_A Annex sec_A.1 Annex sec_A.2 Annex sec_A.3 Annex sec_A.4 Annex sec_A.5 Annex sec_A.6 Annex\u00a0A \n(normative)<\/p>\n Determination of the ratio of carbon content of humic acids of brown coals and lignites <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | Annex sec_A.7 <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Brown coals and lignites. Determination of humic acids<\/b><\/p>\n |