Şişelenmiş sularda ve tatlı su çeşmelerinde trihalomentan konsantrasyonları

Yıl 2022, Cilt: 11 Sayı: 3, 557 - 566, 18.07.2022

Arzu Ulvi , Senar Aydın , Mehmet Emin Aydın

https://doi.org/10.28948/ngumuh.1091070

Öz

Dünya çapında ekonomik ve çevresel maliyetine rağmen şişelenmiş sulara olan ilgi artmaktadır. Şişelenmiş sulara erişim gücü az olan kesimler ise şehirlerde bulunan tatlı su çeşmelerinden içme suyu ihtiyaçlarını karşılamaya çalışmaktadırlar. Bu çalışmada Konya’da satılan şişelenmiş sulardan 24 adet doğal kaynak suyu, 4 adet doğal mineralli su ve 28 adet tatlı su çeşmelerinden alınan numunelerde başlıca dezenfeksiyon yan ürünlerinden olan trihalometan (THM) (kloroform, bromodiklorometan, klorodibromo-met an, bromoform) bileşiklerinin varlığı araştırılmıştır. Piyasadan temin edilen 28 adet şişelenmiş suda THM bileşikleri dedeksiyon limitinin altında tespit edilmiştir. Tatlı su çeşmelerinden alınan 28 adet numunede ise bromoform hariç diğer THM bileşiklerinin varlığı tespit edilmiştir. Kloroform bileşiği 43.73 µg/L olarak en yüksek konsantrasyon da tespit edilen THM olmuştur. Bromodiklorometan bileşiği ise kloroform bileşiğinden sonra en sık tespit edilen bileşik olmuştur ve maksimum 5.37 µg/L konsantrasyonunda tespit edilmiştir. Toplam THM konsantrasyonlarına bakıldığında, İnsani Tüketim Amaçlı Sular Hakkında Yönetmelik’te verilen toplam THM’ler için 100 µg/L olan kalite standartlarını aşmadığı tespit edilmiştir.

Anahtar Kelimeler

Şişelenmiş su, İçme suyu, Trihalometan, THM, Tatlı su çeşmesi

Trihalomethane concentrations in bottled water and fresh water taps

Öz

Despite the worldwide economic and environmental cost, interest in bottled water has been increasing. Those who have little access to bottled water try to meet their drinking water needs from fresh water fountains in cities. In this study, the presence of trihalomethane (THM) (chloroform, bromodichloromethane, chlorodibromomethane, bromo form) compounds, which are among the main disinfection by-products, were investigated in the samples taken from 24 natural spring waters, 4 natural mineral waters and 28 fresh water fountains sold in Konya. THM compounds were detected below the detection limit in 28 bottles of water supplied from the market. Except for bromoform, the presence of other THM compounds was detected in 28 samples taken from fresh water fountains. The chloroform compound was THM with the highest concentration of 43.73 µg/L. Bromodichloromethane compound was the most frequently detected compound after chloroform compound and was detected at a maximum concentration of 5.37 µg/L. Considering the total THM concentrations, it was determined that they did not exceed the quality standards of 100 µg/L for total THMs given in the Regulation on Water Intended for Human Consumption.

Anahtar Kelimeler

Bottled water, Drinking water, Trihalomethane, THM, Fresh water fountain

Kaynakça

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