Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia
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@article{JKSA18424, author = {Novia Mintari and Suhartana Suhartana and Sriatun Sriatun}, title = {Pengaruh Variasi Jenis Pelarut pada Rendemen Sintesis Senyawa Kompleks Bis-Asetilasetonatodiaquonikel(II)}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {18}, number = {1}, year = {2015}, keywords = {Sintesis; [Ni(acac)2(H2O)2]; variasi pelarut; rendemen}, abstract = {Sintesis Senyawa Kompleks Bis-Asetilasetonatodiaquonikel(II) telah dilakukan. Penelitian ini bertujuan untuk untuk mensintesis senyawa kompleks bis-asetilasetonatodiaquonikel(II) ([Ni(acac) 2 (H 2 O) 2 ]) dengan menggunakan pelarut metanol, etanol dan aseton serta membandingkan pengaruh pelarut yang digunakan terhadap hasil sintesis senyawa kompleks. Senyawa kompleks [Ni(acac) 2 (H 2 O) 2 ] dibuat dengan memodifikasi metode Pawlikowski dengan perbandingan mol ion pusat dengan ligan adalah 1:3. Karakterisasi senyawa kompleks dilakukan menggunakan Fourier Transform-Infra Red (FT-IR), Atomic Absorption Spectroscopy (AAS), dan Spektrofotometer UV-Vis. Hasil FTIR menunjukkan adanya gugus O pada asetil aseton yang terkoordinasi pada ion pusat Ni2+ membentuk kompleks [Ni(acac) 2 (H 2 O) 2 ]. Spektra UV-Vis menghasilkan serapan maksimum untuk kompleks [Ni(acac) 2 (H 2 O) 2 ] dalam pelarut metanol pada panjang gelombang 294,5 nm, dengan energi transisi sebesar 406,72 KJmol-1, dan rendemen 19,26%. Kompleks [Ni(acac) 2 (H 2 O) 2 ] dalam pelarut etanol memiliki panjang gelombang maksimum pada 294,5 nm, dengan energi transisi sebesar 406,72 KJmol-1, dan rendemen 18,69%. Sedangkan kompleks [Ni(acac) 2 (H 2 O) 2 ] dalam pelarut aseton mempunyai panjang gelombang maksimum pada 293 nm, dengan energi transisi sebesar 408,80 KJmol-1, dan rendemen 16,99%.}, issn = {2597-9914}, pages = {29--33} doi = {10.14710/jksa.18.1.29-33}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/18424} }
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