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![\"\"](\"http:\/\/www.teknoloji-haber.net\/wp-content\/uploads\/2018\/03\/icme-suyu-e1521609447191.jpg\")
<\/p>\n\u0130\u00e7me suyu markalar\u0131n\u0131n \u015fi\u015felerinde yap\u0131lan testler, hemen hemen hepsinde plastik par\u00e7ac\u0131klar bulundu\u011funu ortaya koydu.<\/p>\n
Dokuz farkl\u0131 \u00fclkeden 2200 plastik su \u015fi\u015fesinin incelendi\u011fi ara\u015ft\u0131rmay\u0131 gazetecilik kurulu\u015fu Orb Media yapt\u0131.
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Ara\u015ft\u0131rma sonucunda her bir litre suda ortalama 10 plastik par\u00e7ac\u0131\u011f\u0131n\u0131n bulundu\u011fu, her birinin de insan sa\u00e7\u0131ndan daha kal\u0131n oldu\u011fu anla\u015f\u0131ld\u0131.<\/p>\n
Test edilen markalar, BBC’ye a\u00e7\u0131klamalar\u0131nda \u015fi\u015feleme tesislerinin y\u00fcksek standartlarda oldu\u011funu s\u00f6yledi.<\/p>\n
\u015ei\u015fe sular, Fredonia’daki New York Devlet \u00dcniversitesi’nde incelendi.<\/strong><\/p>\n Ara\u015ft\u0131rmaya kat\u0131lan \u00fcniversitenin kimya profes\u00f6r\u00fc Sherri Mason, “Pe\u015f pe\u015fe her \u015fi\u015fede, her markada plastik bulduk” dedi ve ekledi:<\/p>\n “Bu, herhangi bir markay\u0131 do\u011frudan su\u00e7lama ama\u00e7l\u0131 de\u011fil, ara\u015ft\u0131rma plasti\u011fin her yere tesir etti\u011fini g\u00f6steriyor. Plastik toplumumuzun her yerine yay\u0131lan bir madde ve sular\u0131m\u0131z\u0131 da istila ediyor. Bunlar her g\u00fcn t\u00fcketti\u011fimiz en temel \u00fcr\u00fcnler.”<\/p>\n Mikroplastik olarak bilinen k\u00fc\u00e7\u00fck plastik par\u00e7alar\u0131n\u0131 yutman\u0131n sa\u011fl\u0131\u011fa zarar verdi\u011fine dair bir kan\u0131t yok ama olas\u0131 etkilerine dair bilimsel \u00e7al\u0131\u015fmalar y\u00fcr\u00fct\u00fcl\u00fcyor.<\/p>\n Ara\u015ft\u0131rman\u0131n sonu\u00e7lar\u0131na ili\u015fkin Prof Mason, “Felaket de\u011fil ama say\u0131 olarak bakarsak kayg\u0131 verici” dedi.<\/p>\n BBC’ye konu\u015fan uzmanlara g\u00f6re, musluk suyunun kirli olabilece\u011fi baz\u0131 geli\u015fmekte olan \u00fclkelerde, plastik su \u015fi\u015fesi t\u00fcketimi devam etmeli.<\/p>\n <\/p>\n Plastiklerin tespiti i\u00e7in Nil K\u0131rm\u0131z\u0131s\u0131 ad\u0131 verilen boya kullan\u0131ld\u0131.<\/p>\n ‘G\u00fcvenlik ve kalite standartlar\u0131na uyuyor’<\/strong><\/p>\n Ara\u015ft\u0131rmada incelenen \u015fi\u015fe su markalar\u0131 ise \u00fcr\u00fcnlerinin g\u00fcvenlik ve kalite standartlar\u0131na uydu\u011funu s\u00f6yl\u00fcyor.<\/p>\n Firmalar ayr\u0131ca, mikroplastiklerle ilgili y\u00f6netmelik olmad\u0131\u011f\u0131na ve sular\u0131n test edilmesi i\u00e7in standart y\u00f6ntemler kullan\u0131lmad\u0131\u011f\u0131na dikkat \u00e7ekiyor.<\/p>\n Prof Mason, ge\u00e7en sene musluk suyunda plastik par\u00e7alar bulurken di\u011fer ara\u015ft\u0131rmac\u0131lar da, deniz \u00fcr\u00fcnlerinde, birada, deniz tuzunda, hatta havada bile plastik maddelere rastland\u0131\u011f\u0131n\u0131 duyurmu\u015ftu.<\/p>\n <\/p>\n Bu testler, \u015fi\u015fe sularda bug\u00fcne kadar yap\u0131lan en b\u00fcy\u00fck ara\u015ft\u0131rma olarak kabul ediliyor.<\/p>\n BBC’nin Blue Planet II belgesel dizisi de, plastik t\u00fcketiminin yayg\u0131nla\u015fmas\u0131yla do\u011fada olu\u015fan zarara dikkat \u00e7ekiyordu.<\/p>\n Ara\u015ft\u0131rmada 11 farkl\u0131 k\u00fcresel ve ulusal \u015fi\u015fe su markas\u0131 test edildi. Bu \u015fi\u015feler, n\u00fcfus olarak y\u00fcksek ve \u015fi\u015fe su t\u00fcketiminin de nispeten fazla oldu\u011fu \u00fclkelerden al\u0131nd\u0131.<\/p>\n Uluslararas\u0131 markalar:<\/strong><\/p>\n Aquafina<\/strong> \u00d6nde gelen ulusal markalar:<\/strong><\/p>\n Aqua (Endonezya)<\/strong> Kirlenme ihtimaline kar\u015f\u0131 su \u015fi\u015felerinin ma\u011fazalardan sat\u0131n al\u0131nma s\u00fcreci ve kurye \u015firketlerine nakil s\u00fcre\u00e7lerinin g\u00f6r\u00fcnt\u00fcleri kaydedildi.<\/p>\n Plastik maddelerin tespiti i\u00e7in, \u0130ngiliz bilim insanlar\u0131n\u0131n \u00fcrettikleri Nile Red (Nil K\u0131rm\u0131z\u0131s\u0131) ad\u0131 verilen bir boya kullan\u0131ld\u0131. Bu boya daha \u00f6nce deniz suyundaki plastikleri tespit etmek i\u00e7in kullan\u0131l\u0131yordu. Boya, \u015fi\u015fedeki sulara damlat\u0131ld\u0131.<\/p>\n Boyalar, suda yap\u0131\u015ft\u0131klar\u0131 plastik par\u00e7ac\u0131klar\u0131n\u0131 florasan \u0131\u015f\u0131\u011f\u0131na d\u00f6n\u00fc\u015ft\u00fcrd\u00fc.<\/p>\n Prof Mason ve ara\u015ft\u0131rmac\u0131lar boyal\u0131 \u00f6rnekleri ay\u0131r\u0131p, insan sa\u00e7\u0131n\u0131n bir telinin \u00e7ap\u0131na denk gelen 100 mikrondan b\u00fcy\u00fck olan par\u00e7ac\u0131klar\u0131 sayd\u0131.<\/p>\n Baz\u0131lar\u0131 tek tek ele al\u0131nabilen bu par\u00e7ac\u0131klar daha sonra k\u0131z\u0131l\u00f6tesi spektroskopisi ile incelendi, plastik olduklar\u0131 teyit edildi ve hangi polimerler olduklar\u0131n\u0131n tespiti yap\u0131ld\u0131.<\/p>\n Aralar\u0131nda 6.5 mikron boyutunda olanlar\u0131n da bulundu\u011fu 100 mikrondan daha k\u00fc\u00e7\u00fck olan par\u00e7ac\u0131klar\u0131n say\u0131s\u0131n\u0131n di\u011ferlerinden daha fazla oldu\u011fu anla\u015f\u0131ld\u0131. Bu par\u00e7ac\u0131klardan her bir litrede ortalama 314 adet bulunuyor.<\/p>\n Par\u00e7ac\u0131klar, astronomide gece y\u0131ld\u0131zlar\u0131n say\u0131s\u0131n\u0131n hesaplanmas\u0131nda kullan\u0131lan bir teknikle say\u0131ld\u0131.<\/p>\n Par\u00e7ac\u0131klar\u0131n bile\u015fenleri teyit edilmedi ama Prof Mason ‘plastik olduklar\u0131n\u0131’ d\u00fc\u015f\u00fcnmenin akla yatk\u0131n s\u00f6yledi.<\/p>\n Bunun nedeni de Nil K\u0131rm\u0131z\u0131 boyas\u0131n\u0131n plastik d\u0131\u015f\u0131 maddelere de yap\u0131\u015fabiliyor olmas\u0131. Bir deniz kabu\u011fu par\u00e7as\u0131na, lipid (ya\u011f) i\u00e7eren yosunlarda boyaya tak\u0131labiliyor ama bu maddelerin \u015fi\u015fe sularda bulunmas\u0131 d\u00fc\u015f\u00fck bir ihtimal.<\/p>\n Uzmanlar: \u0130yi bir ara\u015ft\u0131rma<\/strong><\/p>\n Ara\u015ft\u0131rma herhangi bir bilimsel makalede yay\u0131mlanmad\u0131\u011f\u0131 i\u00e7in BBC konuyu uzmanlar\u0131na sordu.<\/p>\n Nil k\u0131rm\u0131z\u0131 boyas\u0131nda uzmanla\u015fan East Anglia \u00dcniversitesi’nden Dr Andrew Mayes, bu maddenin ‘\u00e7ok y\u00fcksek kalitede bir analitik kimya’ oldu\u011funu s\u00f6yledi ve ara\u015ft\u0131rma sonu\u00e7lar\u0131 i\u00e7in de ‘\u00e7ok muhafazak\u00e2r’ dedi.<\/p>\n \u0130ngiltere G\u0131da Standartlar\u0131 Kurumu kurucu \u00fcyesi Michael Walker da ara\u015ft\u0131rman\u0131n ‘\u00e7ok iyi yap\u0131ld\u0131\u011f\u0131n\u0131’ ve Nil k\u0131rm\u0131z\u0131s\u0131 boyas\u0131 kullan\u0131m\u0131n\u0131n do\u011fru bir tercih oldu\u011fun ifade etti.<\/p>\n Uzmanlar, 100 mikrondan k\u00fc\u00e7\u00fck par\u00e7ac\u0131klar\u0131n plastik olarak tan\u0131mlanamayaca\u011f\u0131n\u0131 ama alternatiflerinin de plastik su \u015fi\u015felerinde bulunma ihtimali d\u00fc\u015f\u00fck oldu\u011fundan en do\u011fru ifadenin ‘b\u00fcy\u00fck ihtimalle plastik’ oldu\u011funu s\u00f6yledi.<\/p>\n Plastikler nereden geliyor?<\/strong><\/p>\n Soru i\u015faretlerinden biri de ‘bu plastik par\u00e7alar\u0131n\u0131n’ nereden geldi\u011fi.<\/p>\n Plastik \u015fi\u015fe kapaklar\u0131ndaki polipropilen maddesinin miktar\u0131 g\u00f6z \u00f6n\u00fcnde bulunduruldu\u011funda, yan\u0131tlardan biri, \u015fi\u015fenin kapa\u011f\u0131 a\u00e7\u0131l\u0131rken suyun i\u00e7ine d\u00fc\u015fen par\u00e7ac\u0131klar olabilir.<\/p>\n Testler boyunca suya plastik kar\u0131\u015fmas\u0131n\u0131 \u00f6nlemek i\u00e7in Prof Mason, suyu ar\u0131tt\u0131 ve Nil boyas\u0131n\u0131n \u00e7\u00f6z\u00fclmesi i\u00e7in aseton kullan\u0131ld\u0131.<\/p>\n Bu maddeler de incelendi ve i\u00e7lerinde az miktarda plastik bulundu ama bunlar\u0131n da havadan geldi\u011fi d\u00fc\u015f\u00fcn\u00fcl\u00fcyor. Bu veriler de ara\u015ft\u0131rma sonu\u00e7lar\u0131ndan \u00e7\u0131kar\u0131ld\u0131.<\/p>\n Test edilen 259 \u015fi\u015feden 17’sinde plastik madde kan\u0131tlar\u0131 bulunmad\u0131 ama di\u011ferlerinin hepsinde vard\u0131.<\/p>\n Birka\u00e7 \u015fi\u015fede binlerce par\u00e7ac\u0131k bulundu, bir\u00e7o\u011funda da ‘b\u00fcy\u00fck ihtimalle plastik’ oldu\u011fu d\u00fc\u015f\u00fcn\u00fclen maddeler \u00e7\u0131kt\u0131. BBC’nin g\u00f6r\u00fc\u015ft\u00fc\u011f\u00fc markalardan Nestle, \u015firket i\u00e7inde mikroplastik testlerine iki y\u0131l \u00f6nce ba\u015flad\u0131klar\u0131n\u0131 ve ‘izleme d\u00fczeyinin \u00fczerinde maddeler tespit edilmedi\u011fini’ s\u00f6yledi.<\/p>\n Coca-Cola, end\u00fcstri i\u00e7inde en y\u00fcksek standartlara sahip olduklar\u0131n\u0131 belirtip ‘\u00e7ok ad\u0131ml\u0131 filtreleme s\u00fcreci’ kulland\u0131klar\u0131n\u0131 a\u00e7\u0131klad\u0131. Ama firma ayn\u0131 zamanda mikroplastiklerin ‘her yere yay\u0131ld\u0131\u011f\u0131n\u0131 bu nedenle en y\u00fcksek standartlara sahip \u00fcr\u00fcnlerinde bile \u00e7ok az miktarda bulunabilece\u011fini’ s\u00f6yledi.<\/p>\n Danone, ‘ara\u015ft\u0131rma metodu yeterince a\u00e7\u0131k olmad\u0131\u011f\u0131 i\u00e7in’ yorum yapmayacaklar\u0131n\u0131, \u015fi\u015fe sular\u0131nda da ‘g\u0131da seviyesinde ambalajlama’ yap\u0131ld\u0131\u011f\u0131n\u0131 vurgulad\u0131.<\/p>\n Garolsteiner de son y\u0131llarda sular\u0131nda mikroplastik testleri yapt\u0131klar\u0131n\u0131 ve sonu\u00e7lar\u0131n da, \u00fcr\u00fcnlerindeki mikroplastiklerin ila\u00e7 bilimi \u015firketlerinin belirledi\u011fi seviyelerin \u00e7ok daha alt\u0131nda kald\u0131\u011f\u0131n\u0131 s\u00f6yledi.<\/p>\n PepsiCo, kendi adlar\u0131na a\u00e7\u0131klama yapmas\u0131 i\u00e7in Amerikan \u0130\u00e7ecek Derne\u011fi’ne talepte bulundu.<\/p>\n Firma, mikroplastiklerle ilgili ara\u015ft\u0131rmalar\u0131n devam etmesi gerekti\u011fini ifade edip \u015fi\u015fe sular\u0131n\u0131n standartlara uydu\u011funu duyurdu. (BBC)<\/p>\n","protected":false},"excerpt":{"rendered":" \u0130\u00e7me suyu markalar\u0131n\u0131n \u015fi\u015felerinde yap\u0131lan testler, hemen hemen hepsinde plastik par\u00e7ac\u0131klar bulundu\u011funu ortaya koydu. Dokuz..<\/p>\n","protected":false},"author":8,"featured_media":28288,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[304],"tags":[1445,4807,1974,412,1704,4806,2211],"yoast_head":"\n![\"\"](\"http:\/\/www.teknoloji-haber.net\/wp-content\/uploads\/2018\/03\/arastirma-e1521609547780.jpg\")
<\/p>\n
\n Dasani<\/strong>
\n Evian<\/strong>
\n Nestle Pure Life<\/strong>
\n San Pellegrino<\/strong><\/p>\n
\n Bisleri (Hindistan)<\/strong>
\n Epura (Meksika)<\/strong>
\n Gerolsteiner (Almanya)<\/strong>
\n Minalba (Brezilya)<\/strong>
\n Wahaha (\u00c7in)<\/strong><\/p>\n
\nFirmalardan yan\u0131t<\/p>\n