BSI PD CEN ISO/TS 21357:2023

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Nanotechnologies. Evaluation of the mean size of nano-objects in liquid dispersions by static multiple light scattering (SMLS)

Published By	Publication Date	Number of Pages
BSI	2023	32

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PDF Catalog

PDF Pages	PDF Title
2	undefined
4	European foreword Endorsement notice
6	Foreword
7	Introduction
9	1 Scope 2 Normative references 3 Terms and definitions
10	4 Symbols and abbreviated terms
11	5 Principles 5.1 Relevant theory
13	5.2 Key measurands
14	5.3 Method applicability and limitations 5.3.1 General 5.3.2 Sample concentration
15	5.3.3 Mean equivalent particle diameter 5.3.4 Sample homogeneity and stability 5.4 Method characteristics
16	6 Apparatus
17	7 Measurement procedure 7.1 Instrument preparation 7.2 Sample handling
18	7.3 System settings 7.3.1 General 7.3.2 Procedure to verify sample homogeneity 7.3.3 Volume fraction 7.3.4 Refractive index
19	8 Performance qualification 9 Data record 10 Measurement uncertainty
21	Annex A (informative) IBS and IT versus l* and l
22	Annex B (informative) IBS and IT as a function of D for titanium dioxide and melamine resin particles
24	Annex C (informative) Instrument qualification
25	Annex D (informative) Comparative analysis of Latex suspensions at various concentrations
26	Annex E (informative) Analysis of titanium dioxide suspensions at different concentrations
28	Annex F (informative) Results of an interlaboratory comparison study
31	Bibliography