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Abstract

Marine oil spills are effectively controlled by chemical dispersants. However, the toxicity associated with it reduce its employment in marine environment. To overcome this limitation, the acute toxicity of choline based ionic liquids was evaluated as a potential low toxic variant for oil spill remediation. Further, the aggregation behavior of the individual as well as their binary mixtures was also evaluated by employing tensiometry technique. The half-lethal concentration, LC50on zebrafish (Danio rerio) of three choline based ionic liquids showed that the studied ionic liquids (ILs) fall in the range of “practically nontoxic” ( 100-1000 mg L-1).Various micellar properties showed that a synergistic interaction existed between all the binary mixtures (β < 0, f1and f2

Bahasa Abstract

Uji Toksisitas Akut dari Ionic Liquids (IL) Berbasis Kolin terhadap Ikan Danio rerio dan Perilaku Agresi dari Campuran Binernya. Tumpahan minyak bumi di laut diatasi secara efektif dengan dispersan yang berasal dari bahan kimia. Namun, karena toksisitas yang ditimbulkan oleh dispersan tersebut, penggunaan dispersan tersebut dikurangi dalam lingkungan laut. Untuk mengatasi keterbatasan ini, uji toksisitas akut dari ionic liquid (IL) berbasis kolin dievaluasi sebagai potensial toksik varian rendah untuk remediasi tumpahan minyak bumi. Selanjutnya, perilaku agregasi individu serta cempuran binernya juga dievaluasi menggunakan teknik tensiometri. LC50 dari zebrafish (Danio rerio) untuk tiga IL berbasis kolin menunjukkan bahwa cairan yang diteliti berada dalam kisaran “tidak beracun” (100–1000 mgL-1). Sifat-sifat micellar menunjukkan bahwa interaksi sinergis terdapat pada semua campuran biner (β < 0, f1and f2

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