Amfifilik

Widyaningtyas, Stella Veronika Natalia (2015)Sifat Antar Muka dan Kemampuan Membentuk Busa Molekul Amfifilik. Masters thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Di dalam air limbah terdapat berbatua molekul amfifilik yang dapat menurunkan tegangan permukaan cairan dan menyebabkan pembentukan busa. Penelitian ini bertujuan untuk mempelajari dan mendapatkan hubungan antara sifat antar muka dan kemampuan pembentukan busa padomain authority surfakrã, campuran surfakrã dan protein, serta cairan kompleks (air limbah). Terdapat empat bahan (Triton X100, SLES, SDS, BSA) dan tiga metode (metode Wilhelmy, tekanan maksimum gelembung, Bikerman) yang digunakan dalam percobaan ini. Tiga metode yang digunakan bertujuan untuk mendapatkan tegangan permukaan statis, tegangan permukaan dinamik, dan kemampuan pembentukan busa cairan tersebut. Berdasarkan hasil percobaan yang dilakukan didapatkan hasil yang menunjukkan bahwa terdapat perbedaan sifat permukaan antara surfakchảy dan protein. Surfakchảy memiliki tegangan permukaan yang lebih rendah dan kemampuan pembentukan busa yang lebih tinggi daripadomain authority protein. Korelayêu thích antara tegangan permukaan dinamik dan kemampuan pembentukan busa telah ditampilkan. Berdasarkan korelayêu thích tersebut dapat dilihat bahwa sifat permukaan air limbah mendekati sifat protein dikarenakan seluruh titik mendekati dengan titik pada protein. Dalam penelitian selanjutnya, diharapkan untuk memverifikađê mê korelađam mê ini dengan jenis lain dari surfaktan dan protein. ========================================================================================================= The molecules amphiphiles presented in effluent take influence in interfacial properties by decreasing surface tension và create foams. This research aims lớn study and find correlation between the interfacial properties and foamability of surfactants classics, proteins, mixing surfactants và proteins, & also wastewater samples. There are four materials (Triton X100, SLES, SDS, BSA) & three methods (Wilhelmy Plate, Bubble Pressure Dynamic, Bikerman) which are used. Those three methods can determine static surface tension, dynamic surface tension and foamability. The results of experimental show that surfactants and proteins have sầu different characteristic of interfacial properties. Surfactants have lower dynamic surface tension & higher foamability than protein. The correlation of dynamic surface tension at and foamability has been presented. It seems that interfacial properties of wastewater similar with protein where there are superimposed points between them at the correlation. In future study, it suggest khổng lồ verify this correlation with other type of surfactant & protein.

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Item Type: Additional Information: Uncontrolled Keywords: Subjects: Divisions: Depositing User: Date Deposited: Last Modified: URI:
Thesis (Masters)
RTK 547.7 Wid i
surfakchảy, protein, sifat antar muka, kemampuan membentuk busa
Q Science > QD Chemistry > QD471 Chemical compounds - Structure and formulas
Faculty of Industrial Technology > Chemical Engineering > 24101-(S2) Master Thesis
- Taufiq Rahmanu
22 Nov 2019 07:29
22 Nov 2019 07:29
https://bloginar.net/id/eprint/71985

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