{"id":361559,"date":"2024-10-20T01:36:33","date_gmt":"2024-10-20T01:36:33","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-214362020\/"},"modified":"2024-10-26T02:29:26","modified_gmt":"2024-10-26T02:29:26","slug":"bs-iso-214362020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-214362020\/","title":{"rendered":"BS ISO 21436:2020"},"content":{"rendered":"
The method is applicable to unbleached, bleached and semi-bleached wood pulp with a lignin content above 1 %. It is not generally intended for fully bleached chemical pulp, because the lignin content in these pulps is too low to be determined accurately.<\/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 | Introduction <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 4 Principle 5 Apparatus 6 Reagents <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 7 Sampling 8 Test Specimens 9 Procedure 9.1 Hydrolysis 9.1.1 General <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 9.1.2 Hydrolysis procedure A 9.1.3 Hydrolysis procedure B <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 9.2 Filtration 9.3 Acid-insoluble lignin determination 9.4 Acid-soluble lignin determination 10 Calculation <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 11 Precision 12 Test Report <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | Annex A (informative) Precision <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Pulps. Determination of lignin content. Acid hydrolysis method<\/b><\/p>\n |