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BSI 23/30433745 DC 2023

BSI 23/30433745 DC 2023

$13.70

BS ISO 13100. Methods for zeta potential determination. Streaming potential and streaming current methods for porous materials

Published By Publication Date Number of Pages
BSI 2023 36
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PDF Catalog

PDF Pages PDF Title
1 30433745-NC.pdf
3 ISO_DIS 13100 ed.1 – id.78452 Enquiry PDF (en).pdf
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
3.1 General terms
10 3.2 Electrokinetic and electroacoustic phenomena
11 3.3 Terms describing porous materials
12 4 List of symbols
13 5 Streaming current and streaming potential
5.1 General overview
14 5.2 Streaming potential in DC mode
5.2.1 General
5.2.2 Measurement of the streaming potential coupling coefficient
15 5.2.3 Calculation of the zeta potential
16 5.3 Streaming current in AC mode
18 6 Measurement of DC streaming potential for porous materials
6.1 Operational procedures
20 6.2 Instrument location
6.3 Sample holder
6.4 Sample preparation
21 6.5 Test solution
22 6.6 Verification
6.7 Repeatability and reproducibility
23 6.8 Sources of measurement error
6.8.1 Contamination of the current sample by the previous sample
6.8.2 Inappropriate sample preparation procedure
6.8.3 Inappropriate test solution
24 6.8.4 Air bubbles
6.8.5 Faulty electrodes
25 6.8.6 Limitation of the Smoluchowski approximation
7 Measurement of AC streaming current for porous materials
7.1 Instrument setup for particle deposits
26 7.2 Instrument setup for consolidated porous materials
28 7.3 Sample requirements
7.4 Calibration and verification
7.4.1 Reference materials
29 7.4.2 Calibration
7.4.3 Verification
7.5 Repeatability and intermediate precision
7.6 Sources of measurement error
30 8 Reporting of zeta potential results
8.1 General information
8.2 Specific information
31 Annex€A (informative) Electric double layer models in porous materials
33 Annex€B (informative) Debye length
34 Annex€C (informative) Porosity determination
35 Bibliography

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BSI 23/30433745 DC 2023
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