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Abstract

Engineering

Method Development for Contactless Resonant Cavity Dielectric Spectroscopic Studies of Cellulosic Paper

Published: October 4th, 2019

DOI:

10.3791/59991

1Testing and Technical Services, Plant Operations, United States Government Publishing Office, 2Materials Measurement Laboratory, National Institute of Standards and Technology, 3Nanoscale Device Characterization Division, Physical Measurement Laboratory, National Institute of Standards and Technology, 4College of Pharmacy, University of South Florida

Abstract

The current analytical techniques for characterizing printing and graphic arts substrates are largely ex situ and destructive. This limits the amount of data that can be obtained from an individual sample and renders it difficult to produce statistically relevant data for unique and rare materials. Resonant cavity dielectric spectroscopy is a non-destructive, contactless technique which can simultaneously interrogate both sides of a sheeted material and provide measurements which are suitable for statistical interpretations. This offers analysts the ability to quickly discriminate between sheeted materials based on composition and storage history. In this methodology article, we demonstrate how contactless resonant cavity dielectric spectroscopy may be used to differentiate between paper analytes of varying fiber species compositions, to determine the relative age of the paper, and to detect and quantify the amount of post-consumer waste (PCW) recycled fiber content in manufactured office paper.

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