SINTESIS DAN KARAKTERISASI BASA SCHIFF DARI VANILIN DAN ANILIN SERTA STUDI INTERAKSI BASA SCHIFF DENGAN ION LOGAM Cd2+

KOMRIADI, ILHAM AKBAR and Hidayati, Nurlisa and Elfita, Elfita (2020) SINTESIS DAN KARAKTERISASI BASA SCHIFF DARI VANILIN DAN ANILIN SERTA STUDI INTERAKSI BASA SCHIFF DENGAN ION LOGAM Cd2+. Undergraduate thesis, Sriwijaya University.

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Abstract

Synthesis and characterization of the Schiff bases of vanillin and aniline has been carried out with Cd2+ metal ions. The characterization of the Schiff bases was carried out using a UV-Vis and FT-IR spectrophotometer. The interaction between Schiff bases with Cd2+ metal ions was studied through the interference effect of Cu2+ and Zn2+ metal ions on the formation of Schiff base complexes with Cd2+ metal. The success of Schiff base synthesis from vanillin and aniline is proven by the results of monitoring of Schiff bases on the TLC plate which shows the formation of Schiff base compounds with yellow stains and has an Rf value of 0.5. Monitoring is carried out using an eluent in the form of a mixture of n-hexane and ethyl acetate in a ratio (4: 1). The emergence of maximum absorption at 330 nm wavelength is an electronic transition from π to π * on the UV-Vis spectrophotometer. In addition, based on the FT-IR spectrum, absorption occurs at the wave number 1583.56 cm-1 which indicates the presence of an azometin group. The Schiff base has the highest absorption at pH 6 where the double bond (C = N) is more stable. The interaction between the Schiff base and the metal results in a spectrum that experiences a bigger wavelength shift. Keywords: vanillin, aniline, Schiff base, metal ion interactions, UV-Vis spectrophotometers, FT-IR, Cd2+ Bibliography: 47 (1982-2018) Telah dilakukan sintesis dan karakterisasi basa Schiff dari vanilin dan anilin. Basa Schiff yang dihasilkan diinteraksikan dengan ion logam Cd2+. Karakterisasi basa Schiff dilakukan menggunakan spektrofotometer UV-Vis dan FT-IR. . Interaksi antara basa Schiff dengan ion logam Cd2+ dipelajari melalui pengaruh gangguan ion logam Cu2+ dan Zn2+ terhadap pembentukan kompleks basa Schiff dengan logam Cd2+. Keberhasilan sintesis basa Schiff dari vanillin dan anilin dibuktikan dengan hasil monitoring basa Schiff pada plat KLT yang menunjukkan terbentuknya senyawa basa Schiff dengan noda berwarna kuning dan memiliki nilai Rf sebesar 0.5. Monitoring dilakukan dengan menggunakan eluen berupa campuran n-heksan dan etil asetat dengan perbandingan (4:1). Munculnya serapan maksimum pada panjang gelombang 330 nm yang merupakan transisi elektronik dari π ke π* pada spektrofotometer UV-Vis. Selain itu, berdasarkan spektrum FT-IR, muncul serapan pada bilangan gelombang 1583,56 cm-1 yang menandakan adanya gugus azometin. Basa Schiff memiliki serapan tertinggi pada pH 6 dimana ikatan rangkap (C=N) lebih stabil. Interaksi antara basa Schiff dengan logam menghasilkan spektrum yang mengalami pergeseran panjang gelombang kearah yang lebih besar. Kata Kunci: vanillin, anilin, basa Schiff, interaksi ion logam, spektrofotometer UV-Vis, FTIR, Cd2+. Kepustakaan: 47 (1982-2018)

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: vanillin, anilin, basa Schiff, interaksi ion logam, spektrofotometer UV-Vis, FTIR, Cd2+.
Subjects: Q Science > QD Chemistry > QD146-197 Inorganic chemistry
Divisions: Faculty of Mathematics and Natural Science > 47201-Chemistry (S1)
Depositing User: Ilham Akbar Komriadi
Date Deposited: 24 Jan 2020 04:15
Last Modified: 24 Jan 2020 04:15
URI: http://repository.unsri.ac.id/id/eprint/25628

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