Study on Etching Conditions of Fission Track of Various Minerals
Fission track analysis for geological applications involves a number of practical considerations.These include on-site sampling,separation of commonly used minerals,preparation of these minerals for analysis and measurement of the required basic parameters.This article mainly reviews the etching conditions of various minerals.The spontaneous fission track is revealed in the mineral particles by chemical etching,because the etchant preferentially etches the highly disordered part of the track core.The overall etching rate in the mineral is not uniform and will vary in different crystallographic directions.Therefore,the shape and size of the track will be different.In order to observe and count the track more effectively,it is very important to select the appropriate etching conditions.
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