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Homepage>BS Standards>71 CHEMICAL TECHNOLOGY>71.040 Analytical chemistry>71.040.40 Chemical analysis>BS ISO 21222:2020 Surface chemical analysis. Scanning probe microscopy. Procedure for the determination of elastic moduli for compliant materials using atomic force microscope and the two-point JKR method
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immediate downloadReleased: 2020-02-07
BS ISO 21222:2020 Surface chemical analysis. Scanning probe microscopy. Procedure for the determination of elastic moduli for compliant materials using atomic force microscope and the two-point JKR method

BS ISO 21222:2020

Surface chemical analysis. Scanning probe microscopy. Procedure for the determination of elastic moduli for compliant materials using atomic force microscope and the two-point JKR method

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Standard number:BS ISO 21222:2020
Pages:26
Released:2020-02-07
ISBN:978 0 580 96429 9
Status:Standard
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BS ISO 21222:2020


This standard BS ISO 21222:2020 Surface chemical analysis. Scanning probe microscopy. Procedure for the determination of elastic moduli for compliant materials using atomic force microscope and the two-point JKR method is classified in these ICS categories:
  • 71.040.40 Chemical analysis

This document describes a procedure for the determination of elastic modulus for compliant materials using atomic force microscope (AFM). Force-distance curves on the surface of compliant materials are measured and the analysis uses a two-point method based on Johnson-Kendall-Roberts (JKR) theory. This document is applicable to compliant materials with elastic moduli ranging from 100 kPa to 1 GPa. The spatial resolution is dependent on the contact radius between the AFM probe and the surface and is typically approximately10-20 nm.