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A study on the quantitation of asbestos by the visual estimation and point counting method
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2014, v.27 no.3, pp.153-160
https://doi.org/10.5806/AST.2014.27.3.153
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(2014). A study on the quantitation of asbestos by the visual estimation and point counting method. Analytical Science and Technology, 27(3), 153-160, https://doi.org/10.5806/AST.2014.27.3.153
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Abstract
While variety of cases of studies about asbestos analysis methods are released internationally, theresults of Asbestos Containing Materials (ACM) according to differences in the method of the analysis isbecoming an issue. In this study, homogeneity ensured ACM samples were analyzed by visual estimationmethod and point counting method, and the result cound be used not only to improve the reliability onasbestos analysis of the institutions and analysts but also to obtain the basic data of Polarizing LightMicroscope (PLM) analysis by comparing and evaluating. Asbestos analysis were divided into qualitativeand quantitative analysis method. The quantitative analysis was performed by visual estimation method andpoint counting method (total 400 points) of EPA 600-R-93-116 method by using PLM. Firstly, The followingwas the result of homogeneity of the samples by ANOVA (Analysis of variance) and the results were satisfied. The results of qualitative analysis showed that the samples were chrysotile and amosite, and about the resultsof quantitative analysis, asbestos concentration determined by point counting method tend to be lower thanconcentrations determined by visual estimation method and also, pont counting method was a little morecomplicated and time-consuming.
- keywords
- asbestos, ACM, qualitative analysis, quantitative analysis, visual estimation method, point counting method
Reference
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