{"id":305868,"date":"2024-10-19T20:56:38","date_gmt":"2024-10-19T20:56:38","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-219932020\/"},"modified":"2024-10-25T18:31:41","modified_gmt":"2024-10-25T18:31:41","slug":"bs-iso-219932020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-219932020\/","title":{"rendered":"BS ISO 21993:2020"},"content":{"rendered":"
This document specifies a basic laboratory test method for deinkability, applicable to any kind of printed paper product, under alkaline conditions by means of single stage flotation deinking and fatty acid-based collector chemistry.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
8<\/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 Equipment 5.1 General equipment <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 5.2 Equipment for preparation and flotation 5.3 Equipment for specimen preparation 5.4 Equipment for analysis <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 6 Chemicals 7 Procedure 7.1 General <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 7.2 Sampling and sample preparation 7.2.1 General 7.2.2 Identification 7.2.3 Non-paper material\/loose and glued inserts\/insertions 7.2.4 Adhesive applications 7.2.5 Accelerated ageing 7.2.6 Breaking up of samples 7.2.7 Measurement of moisture <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | 7.2.8 Measurement of ash content 7.2.9 Determination of the required amount of sample 7.3 Preparation of dilution water and chemicals 7.3.1 General 7.3.2 Preparation of dilution water <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | 7.3.3 Preparation of chemicals 7.4 Pulp preparation 7.4.1 Pulping <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | 7.4.2 pH requirement <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | 7.4.3 Storage <\/td>\n<\/tr>\n | ||||||
19<\/td>\n | 7.4.4 Dilution 7.5 Flotation 7.6 Yield <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | 8 Specimen preparation 8.1 General 8.2 Filter pads <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | 8.3 Membrane filters <\/td>\n<\/tr>\n | ||||||
22<\/td>\n | 8.4 Handsheets 9 Analysis 9.1 General 9.2 Reflectance measurements 9.2.1 General 9.2.2 Reflectance factors 9.3 Filtrate darkening <\/td>\n<\/tr>\n | ||||||
23<\/td>\n | 9.4 Dirt particle measurement 9.4.1 Scanner 9.4.2 Procedure for dirt particle measurement 10 Test report <\/td>\n<\/tr>\n | ||||||
25<\/td>\n | Annex A (normative) Pulping devices <\/td>\n<\/tr>\n | ||||||
26<\/td>\n | Annex B (informative) Examples of flotation cells <\/td>\n<\/tr>\n | ||||||
27<\/td>\n | Annex C (normative) Testing the filtration time of filter papers <\/td>\n<\/tr>\n | ||||||
28<\/td>\n | Annex D (informative) Testing the pH of smaller sample amount <\/td>\n<\/tr>\n | ||||||
29<\/td>\n | Annex E (normative) Threshold value determination and size classification <\/td>\n<\/tr>\n | ||||||
30<\/td>\n | Annex F (informative) Example for a test report <\/td>\n<\/tr>\n | ||||||
31<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Paper and pulp. Deinkability test for printed paper products<\/b><\/p>\n |