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BS ISO 3688:2022 – TC

$134.27

Tracked Changes. Pulps. Preparation of laboratory sheets for the measurement of optical properties

Published By Publication Date Number of Pages
BSI 2022 38
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PDF Catalog

PDF Pages PDF Title
1 30466993
21 A-30425920
22 National foreword
26 Foreword
27 Introduction
29 1 Scope
2 Normative references
3 Terms and definitions
30 4 Reagents
5 Apparatus and auxiliary materials
5.2 For sheet-making in a funnel.
5.2.2 Filtering media.
31 5.2.6 Hydraulic disk-press.
5.3 For sheet making in a sheet former.
6 Sampling
7 Procedure
7.1 Pretreatment of pulp
7.1.1 Pulp in sheets or compressed slabs
32 7.1.2 Slush pulp
7.2 Production of laboratory sheets
7.2.1 Addition of a retention aid
7.2.2 pH adjustment
7.2.3 Funnel procedure
7.2.4 Pressing of the laboratory sheets
33 7.2.5 Sheet former procedure
8 Storage for subsequent optical property measurement
9 Test report
35 Annex A (normative) Testing the filtration time of filter papers
36 Bibliography
BS ISO 3688:2022 - TC
$134.27