Atmosferik Poliklorlu Bifeniller (PCB’ler); Örnekleme, Ekstraksiyon ve Analiz

Abstract

Poliklorlu bifeniller (PCB’ler), C₁₂H_xCl_y (x=0~9, y=10-x) formundaki 209 türden her birisi olup, doğal kaynağı olmayan ve sadece antropojenik faaliyetler ile alıcı ortama salınan toksik, kanserojenik ve mutajenik bileşiklerdir. PCB’ler canlı doğasına ve yaşam alanlarına son derece zararlı olmaları açısından birçok araştırmacı tarafından araştırılmaktadır. Hava kalitesi çalışmalarında organik kirleticilerden olan PCB’lerin araştırılmasında Örnekleme, Ekstraksiyon ve Analiz işlemleri önemli yer tutmaktadır. PCB’lerin Analiz işlemlerinde kullanılan makina-techizatlar ile seçilen örnekleme noktaları WHO, EPA ve EN gibi Ulusal ve Uluslararası kriterlere uygun olması gerekmektedir. Ayrıca Örnekleme ve Ekstraksiyonu tamamlanmış organik kirleticilerin uygun akredite Kromotografik cihazlarla Analizlenmesi de oldukça önemlidir. Bu çalışmada PCB’lerin Örneklenmesi, Ekstraksiyon deneyleri ve Analiz işlemleri hakkında detaylı olarak bilgi verilmiştir.

Keywords

• Poliklorlu bifeniller,Örnekleme,Ekstraksiyon,Analiz,GC MS

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