kirkuk university journal scientific studies

ISSN: 19920849 
Publisher: Kirkuk University 
Faculty: Science 
Language: Arabic and English 

This journal is Open Access 

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The effect of the type of etchant
Solutions on nuclear tracks detector CR-39
AHMED ABD IBRAHIM
Kirkuk University / College of Science - Physics Dept.
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Received date: 18 / 12 / 2013 Accepted date :30 /3 / 2014

Abstract
 
The aim of this paper is to find the effect of type of etchant solutions on nuclear track
detector CR-39 . CR-39 detectors were irradiated with alpha particle from 241Am. The
irradiated detectors were etched in a number of some newly introduced etching solutions as
well as in conventionally used 7 N NaOH and 7 N KOH at 70 °C. The newly prepared
etching solutions included NaOH/1-propanol. Processing conditions were optimized for
these etchants. From alpha track diameters, bulk etching velocity VB , track etching
velocity VT , etching efficiency η , etching ratio V , sensitivity S and critical Angle θC and
their activation energies were determined and compared with that obtained for 7 N NaOH
and 7 N KOH at 70 °C

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Keywords: Nuclear tracks detectors, Activation energy , CR-39, Tracks, Etching solutions.

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