ASTM-E2490 2021

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E2490-09(2021) Standard Guide for Measurement of Particle Size Distribution of Nanomaterials in Suspension by Photon Correlation Spectroscopy (PCS)

Published By	Publication Date	Number of Pages
ASTM	2021

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Categories: 71.100.01 - Products of the chemical industry in general, ASTM

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Description

ASTM E2490-09-Reapproved2021

Active Standard: Standard Guide for Measurement of Particle Size Distribution of Nanomaterials in Suspension by Photon Correlation Spectroscopy (PCS)

ASTM E2490

Scope

1.1 This guide deals with the measurement of particle size distribution of suspended particles, which are solely or predominantly sub-100 nm, using the photon correlation (PCS) technique. It does not provide a complete measurement methodology for any specific nanomaterial, but provides a general overview and guide as to the methodology that should be followed for good practice, along with potential pitfalls.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

DLS; dynamic light scattering; PCS; photon correlation spectroscopy; nano; QELS; quasi-elastic light scattering;

ICS Code

ICS Number Code 71.100.01 (Products of the chemical industry in general)

DOI: 10.1520/E2490-09R21

Additional information

Standard Title	E2490-09(2021) Standard Guide for Measurement of Particle Size Distribution of Nanomaterials in Suspension by Photon Correlation Spectroscopy (PCS)
Published Code	ASTM
Publication Date	2021
ICS Codes	71.100.01 - Products of the chemical industry in general