Kırınım Yöntemi Kullanılarak Zeytinyağındaki Tağşişin Belirlenmesi
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Ekici, Çağın
Dinleyici, Mehmet Salih
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Abstract
Bu çalışmada, faz kırınım yöntemi kullanılarak gıda sanayisindeki büyük sorunlardan biri olan zeytinyağındaki tağşişin belirlenmesi amaçlanmıştır. Örnek sıvı içerisine ideal geometriye sahip fiber optik batırılarak lazer ışığının kırınımı incelenmiştir. Kırınım alanının matematiksel ifadesi Fresnel kırınım teorisine göre nümerik olarak hesaplanmıştır. Matematiksel modelleme, deneyler sonucunda elde edilen normalleştirilmiş kırınım deseniyle karşılaştırılıp, sıvının kırıcılık indisi tahmin edilmiştir. Kırınım yönteminin sıvının kırıcılık indisi tahminindeki yüksek hassasiyetli rolü (10−5 mertebesindeki) zeytinyağındaki
tağşişin belirlenmesine imkan sağlamıştır.
In this study, olive oil adulteration which is the big concern for food industry, is aimed to detect by using phase diffraction method. Ideal geometric fiber optic is immersed in sample liquid, diffracted laser light is examined. The mathematical expression of the diffracted field is evaluated numerically according to the Fresnel diffraction theory. Mathematical model is compared to normalized experimental result in order to estimate refractive index. The high precision role of diffraction method (order of 10-5) in order to estimate refractive index of the liquid is provided opportunity to detect olive oil adulteration.
In this study, olive oil adulteration which is the big concern for food industry, is aimed to detect by using phase diffraction method. Ideal geometric fiber optic is immersed in sample liquid, diffracted laser light is examined. The mathematical expression of the diffracted field is evaluated numerically according to the Fresnel diffraction theory. Mathematical model is compared to normalized experimental result in order to estimate refractive index. The high precision role of diffraction method (order of 10-5) in order to estimate refractive index of the liquid is provided opportunity to detect olive oil adulteration.
Description
2016 National Conference on Electrical, Electronics and Biomedical Engineering, ELECO 2016; Bursa; Turkey; 1 December 2016 through 3 December 2016
Keywords
Olive oil, Electronic medical equipment, Olive oil adulteration, Diffraction methods
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Ekici, Ç., and Dinleyici, M. S. (2016, December 1-3). Kırınım yöntemi kullanılarak zeytinyağındaki tağşişin belirlenmesi. Paper presented at the 2016 National Conference on Electrical, Electronics and Biomedical Engineering, ELECO 2016, Bursa; Turkey.
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Start Page
194
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196
