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Effect of γ-Radiation on the Physical Properties of poly(vinyl alcohol) Dyed with Tetrabromophenolphthalein Ethyl Ester

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Last updated: 01 Jan 2025

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Abstract

 THE INVESTIGATION of the radiation sensitive indicators based on dyed poly(vinyl alcohol) (PVA) containing acid sensitive dye tetrabromophenolphthalein ethyl ester (TBPE) and trichloro acetamide (TCA) have been developed. These plastic film dosimeters undergo colour change from blue to green to pale green, indicating acid formation. These films can be used as dosimeters for food irradiation applications where the maximum of the useful dose ranges are between 1-5 kGy depending on TCA concentration in the film. The films have the advantage of negligible humidity effects on response in the intermediate range of relative humidity (RH) from 10-50% and good stability before and after irradiation under different storage conditions.

DOI

10.21608/ejrsa.2011.1462

Keywords

Tetrabromophenolphthalein ethyl jester), Poly(vinyl alcohol), γ-rays dosimeter, trichloro acetamide

Volume

24

Article Issue

1

Related Issue

316

Issue Date

2011-06-01

Receive Date

2011-12-08

Publish Date

2011-06-30

Page Start

153

Page End

164

Print ISSN

1110-0303

Online ISSN

2314-8527

Article File

EJRSA_Volume 24_Issue 1_Pages 153-164.pdf

PDF . 700.9kB

Link

https://ejrsa.journals.ekb.eg/article_1462.html

Detail API

https://ejrsa.journals.ekb.eg/service?article_code=1462

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Original Article

Type Code

136

Publication Type

Journal

Publication Title

Egyptian Journal of Radiation Sciences and Applications

Publication Link

https://ejrsa.journals.ekb.eg/

MainTitle

Effect of γ-Radiation on the Physical Properties of poly(vinyl alcohol) Dyed with Tetrabromophenolphthalein Ethyl Ester

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Article

Created At

22 Jan 2023