BS ISO 21993:2020
$142.49
Paper and pulp. Deinkability test for printed paper products
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 32 |
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.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 7 | Foreword |
| 8 | Introduction |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions |
| 10 | 4 Principle 5 Equipment 5.1 General equipment |
| 11 | 5.2 Equipment for preparation and flotation 5.3 Equipment for specimen preparation 5.4 Equipment for analysis |
| 12 | 6 Chemicals 7 Procedure 7.1 General |
| 14 | 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 |
| 15 | 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 |
| 16 | 7.3.3 Preparation of chemicals 7.4 Pulp preparation 7.4.1 Pulping |
| 17 | 7.4.2 pH requirement |
| 18 | 7.4.3 Storage |
| 19 | 7.4.4 Dilution 7.5 Flotation 7.6 Yield |
| 20 | 8 Specimen preparation 8.1 General 8.2 Filter pads |
| 21 | 8.3 Membrane filters |
| 22 | 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 |
| 23 | 9.4 Dirt particle measurement 9.4.1 Scanner 9.4.2 Procedure for dirt particle measurement 10 Test report |
| 25 | Annex A (normative) Pulping devices |
| 26 | Annex B (informative) Examples of flotation cells |
| 27 | Annex C (normative) Testing the filtration time of filter papers |
| 28 | Annex D (informative) Testing the pH of smaller sample amount |
| 29 | Annex E (normative) Threshold value determination and size classification |
| 30 | Annex F (informative) Example for a test report |
| 31 | Bibliography |
