Investigation of the dose-response linearity of guar gum for gamma-ray dosimetry at radiation processing levels using Raman spectroscopy-Reference-Cited by-同舟云学术

Investigation of the dose-response linearity of guar gum for gamma-ray dosimetry at radiation processing levels using Raman spectroscopy

Published:2024-02-23 Issue:4 Volume:112 Page:255-259
ISSN:0033-8230
Container-title:Radiochimica Acta
language:en
Short-container-title:

Author:

Malekie Shahryar¹^ORCID,Veiskarami Amir²

Affiliation:

1. Radiation Application Research School , Nuclear Science and Technology Research Institute , PO Box 31485-498 , Karaj , Iran

2. Department of Medical Radiation Engineering, Science and Research Branch , Islamic Azad University , Tehran , Iran

Abstract

Abstract In this experimental work, guar gum powder was exposed to gamma radiation from a 60Co source at absorbed doses of 0, 10, 30, 50, 80, 100, 150 kGy at dose rate of 1.62 Gy/s. Raman spectroscopy was applied to measure the intensity of the samples ranging from of 500–4600 cm−1. The intensity versus Raman shift was evaluated at 3800–4000 cm−1. Then the curve was fitted linearly. The slope of the lines was determined in each absorbed dose. Results indicated that the absolute values of the slope of each line were enhanced with increasing the absorbed dose. This trend was linear within the absorbed dose ranging from of 0–50 kGy, in which was saturated after 80 kGy. Results showed that guar gum can be applied as a passive dosimeter at radiation processing level.

Publisher

Walter de Gruyter GmbH

Link

https://www.degruyter.com/document/doi/10.1515/ract-2023-0246/pdf

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