ISO/TS 19808:2020
Nanotechnologies — Carbon nanotube suspensions — Specification of characteristics and measurement methods
This document specifies the characteristics to be measured of suspensions containing multi-walled carbon nanotubes (CNT suspensions). It includes the essential and additional characteristics of the CNT suspension, and the corresponding measurement methods.
Characteristics specific to health, environmental and safety issues are excluded from this document.
WARNING — The use of this document can involve hazardous materials, operations and equipment. It does not purport to address all of the safety or environmental problems associated with its use. The execution of this document is entrusted to appropriately qualified and experienced people.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
3.2 Abbreviated terms
4 Characteristics and measurement methods
5 Sampling
5.1 Sampling principle
5.2 Sampling devices
5.3 CNT retrieving
6 Description of characteristics and measurement methods
6.1 Outer diameter
6.2 Specific surface area
6.3 Homogeneity
6.4 Morphology
6.5 Dry solid content
6.6 CNT content
6.7 Viscosity
6.8 Fineness
6.9 Elemental impurity content
6.10 pH value
6.11 Water content
6.12 Thermal conductivity
6.13 Volume resistivity
6.14 Shelf life
7 Test report
Annex A (informative) Overview of CNT suspension characteristics
Annex B (informative) Case study of carbon nanotube dispersion
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
3.2 Abbreviated terms
4 Characteristics and measurement methods
5 Sampling
5.1 Sampling principle
5.2 Sampling devices
5.3 CNT retrieving
6 Description of characteristics and measurement methods
6.1 Outer diameter
6.2 Specific surface area
6.3 Homogeneity
6.4 Morphology
6.5 Dry solid content
6.6 CNT content
6.7 Viscosity
6.8 Fineness
6.9 Elemental impurity content
6.10 pH value
6.11 Water content
6.12 Thermal conductivity
6.13 Volume resistivity
6.14 Shelf life
7 Test report
Annex A (informative) Overview of CNT suspension characteristics
Annex B (informative) Case study of carbon nanotube dispersion
Bibliography