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BSI PD ISO/TS 21346:2021

$189.07

Nanotechnologies. Characterization of individualized cellulose nanofibril samples

Published By Publication Date Number of Pages
BSI 2021 46
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This document specifies characteristics to be measured of individualized cellulose nanofibril (iCNF) samples in suspension and powder forms and their measurement methods. In addition, it provides sample preparation, measurement and data analysis procedures.

This document does not apply to the characterization of iCNFs that have been modified after they are manufactured.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Abbreviated terms
5 Characteristics to be measured of iCNF samples and their measurement methods
5.1 General
11 5.2 Characteristics required to be measured or identified
5.2.1 Morphology and size
12 5.2.2 Total dry matter content
5.2.3 Crystal structure
5.2.4 Optical transmittance
5.2.5 Surface functional groups: Types
13 5.2.6 Surface functional groups: Content
5.2.7 Viscosity
5.3 Characteristics recommended to be measured or identified
5.3.1 Width and height
14 5.3.2 Length
5.3.3 Molecular weight distribution
5.3.4 Supernatant dry matter ratio
15 5.3.5 Crystallinity
5.3.6 Thermal stability
5.3.7 Ash content
16 5.3.8 Acid-soluble metal content
5.3.9 Organic contaminant content
5.3.10 Acetone-soluble matter content
17 5.3.11 Constituent sugar content
6 Reporting
19 Annex A (informative) Protocols for sample preparation, measurement and data analysis
35 Annex B (informative) Description of individualized cellulose nanofibril (iCNF)
43 Bibliography
BSI PD ISO/TS 21346:2021
$189.07