<> "The repository administrator has not yet configured an RDF license."^^ . <> . . "PENGARUH KONSENTRASI ZAT ANTI KOROSI OLIGOMER 4-VINIL \r\nPIRIDIN TERHADAP PERTUMBUHAN IRON OXYDIZING BACTERIA \r\n(IOB)"^^ . "Korosi atau pengkaratan adalah peristiwa kerusakan atau penurunan kualitas suatu \r\nlogam yang disebabkan oleh reaksi dengan lingkungannya. Korosi dapat dicegah \r\ndengan menggunakan inhibitor atau zat anti korosi. Penelitian ini bertujuan untuk \r\nmengetahui pengaruh konsentrasi zat anti korosi oligomer 4-vinil piridin terhadap \r\npertumbuhan iron oxydizing bacteria (IOB), yang diduga efektif menghambat \r\npertumbuhan mikroba pengoksidasi besi (Thiobacillus ferrooxidans). Tahap \r\npenelitian meliputi pembuatan kurva pertumbuhan dari bakteri Thiobacillus \r\nferrooxidans dan penentuan nilai pH optimum dari pertumbuhan bakteri tersebut. \r\nOligomer 4-vinil piridin yang berperan sebagai inhibitor korosi dilakukan sintesis \r\nhingga diperoleh hasil sintesis oligomer 4-vinil piridin. Selanjutnya Thiobacillus \r\nferrooxidans dan hasil sintesis oligomer 4-vinil piridin dihitung nilai lethal \r\nconcentration (LC50). Berdasarkan kurva pertumbuhan diperoleh waktu setengah \r\ndari fase eksponensial yaitu pada hari ke-7 dan nilai pH optimum diperoleh pada \r\npH 2,5. Hasil sintesis oligomer 4-vinil piridin diperoleh cairan kental berwarna \r\njingga. Nilai LC50 pada oligomer 4-vinil piridin diperoleh pada konsentrasi 0,14 \r\nppm. Berdasarkan hasil penelitian dapat disimpulkan bahwa senyawa oligomer 4-\r\nvinil piridin mampu menghambat pertumbuhan bakteri Thiobacillus ferrooxidans. \r\nKata kunci : Oligomer 4-Vinil Piridin, Iron Oxydizing Bacteria, Thiobacillus \r\nferrooxidans, Lethal Concentration 50 (LC50). \r\n\r\nCorrosion or rusting is the process of damage or deterioration of the quality of a \r\nmetal caused by reaction with its environment. Corrosion can be prevented by \r\nusing inhibitors or anti corrosion substances. This study aims to determine the \r\neffect of the concentration of anti-corrosion resistant substance 4-vinyl pyridine \r\noligomeric against the growth of iron oxydizing bacteria (IOB), which is \r\nsuspected to effectively inhibit microbial growth of iron oxidization (Thiobacillus \r\nferrooxidans). The research phase includes the creation of growth curves from \r\nThiobacillus ferrooxidans bacteria and the optimum pH value determination of the \r\nbacteria growth. 4-vinyl pyridine oligomeric which acts as a corrosion inhibitor \r\ncarried out synthesis until obtained by the synthesis of 4-vinyl pyridine \r\noligomeric. Furthermore, Thiobacillus ferrooxidans and the synthesis results of 4-\r\nvinyl pyridine oligomeric computed value of lethal concentration (LC50). Based \r\non the growth curve obtained half time from the exponential phase is on the 7th \r\nday and the optimum pH value is obtained at pH 2.5. Results of the synthesis of \r\n4-vinyl pyridine oligomers is obtained orange coloured viscous fluid. The LC50\r\nvalue in 4-vinyl pyridine oligomers is obtained at a concentration of 0.14 ppm. \r\nBased on the results of the study can be concluded that the 4-vinyl pyridine \r\noligomeric compounds are able to inhibit the growth of Thiobacillus ferrooxidans \r\nbacteria. \r\nKeywords: 4-Vinyl Pyridine Oligomeric, Iron Oxydizing Bacteria, Thiobacillus \r\nferrooxidans, Lethal Concentration 50 (LC50)"^^ . "2019" . . . . . "Fakultas Matematika dan Ilmu Pengetahuan Alam"^^ . . . . . . . "1517011015"^^ . "WINDI RATNASARI "^^ . "1517011015 WINDI RATNASARI "^^ . . . . . . "PENGARUH KONSENTRASI ZAT ANTI KOROSI OLIGOMER 4-VINIL \r\nPIRIDIN TERHADAP PERTUMBUHAN IRON OXYDIZING BACTERIA \r\n(IOB) (File PDF)"^^ . . . "ABSTRAK.pdf"^^ . . . "PENGARUH KONSENTRASI ZAT ANTI KOROSI OLIGOMER 4-VINIL \r\nPIRIDIN TERHADAP PERTUMBUHAN IRON OXYDIZING BACTERIA \r\n(IOB) (File PDF)"^^ . . . "PENGARUH KONSENTRASI ZAT ANTI KOROSI OLIGOMER 4-VINIL \r\nPIRIDIN TERHADAP PERTUMBUHAN IRON OXYDIZING BACTERIA \r\n(IOB) (File PDF)"^^ . . . "SKRIPSI TANPA BAB PEMBAHASAN.pdf"^^ . . . "PENGARUH KONSENTRASI ZAT ANTI KOROSI OLIGOMER 4-VINIL \r\nPIRIDIN TERHADAP PERTUMBUHAN IRON OXYDIZING BACTERIA \r\n(IOB) (Other)"^^ . . . . . . "indexcodes.txt"^^ . . . "PENGARUH KONSENTRASI ZAT ANTI KOROSI OLIGOMER 4-VINIL \r\nPIRIDIN TERHADAP PERTUMBUHAN IRON OXYDIZING BACTERIA \r\n(IOB) (Other)"^^ . . . . . . "PENGARUH KONSENTRASI ZAT ANTI KOROSI OLIGOMER 4-VINIL \r\nPIRIDIN TERHADAP PERTUMBUHAN IRON OXYDIZING BACTERIA \r\n(IOB) (Other)"^^ . . . . . . "indexcodes.txt"^^ . . . "PENGARUH KONSENTRASI ZAT ANTI KOROSI OLIGOMER 4-VINIL \r\nPIRIDIN TERHADAP PERTUMBUHAN IRON OXYDIZING BACTERIA \r\n(IOB) (Other)"^^ . . . . . . "lightbox.jpg"^^ . . . "PENGARUH KONSENTRASI ZAT ANTI KOROSI OLIGOMER 4-VINIL \r\nPIRIDIN TERHADAP PERTUMBUHAN IRON OXYDIZING BACTERIA \r\n(IOB) (Other)"^^ . . . . . . "preview.jpg"^^ . . . "PENGARUH KONSENTRASI ZAT ANTI KOROSI OLIGOMER 4-VINIL \r\nPIRIDIN TERHADAP PERTUMBUHAN IRON OXYDIZING BACTERIA \r\n(IOB) (Other)"^^ . . . . . . "medium.jpg"^^ . . . "PENGARUH KONSENTRASI ZAT ANTI KOROSI OLIGOMER 4-VINIL \r\nPIRIDIN TERHADAP PERTUMBUHAN IRON OXYDIZING BACTERIA \r\n(IOB) (Other)"^^ . . . . . . "small.jpg"^^ . . . "PENGARUH KONSENTRASI ZAT ANTI KOROSI OLIGOMER 4-VINIL \r\nPIRIDIN TERHADAP PERTUMBUHAN IRON OXYDIZING BACTERIA \r\n(IOB) (Other)"^^ . . . . . . "lightbox.jpg"^^ . . . "PENGARUH KONSENTRASI ZAT ANTI KOROSI OLIGOMER 4-VINIL \r\nPIRIDIN TERHADAP PERTUMBUHAN IRON OXYDIZING BACTERIA \r\n(IOB) (Other)"^^ . . . . . . "preview.jpg"^^ . . . "PENGARUH KONSENTRASI ZAT ANTI KOROSI OLIGOMER 4-VINIL \r\nPIRIDIN TERHADAP PERTUMBUHAN IRON OXYDIZING BACTERIA \r\n(IOB) (Other)"^^ . . . . . . "medium.jpg"^^ . . . "PENGARUH KONSENTRASI ZAT ANTI KOROSI OLIGOMER 4-VINIL \r\nPIRIDIN TERHADAP PERTUMBUHAN IRON OXYDIZING BACTERIA \r\n(IOB) (Other)"^^ . . . . . . "small.jpg"^^ . . . "PENGARUH KONSENTRASI ZAT ANTI KOROSI OLIGOMER 4-VINIL \r\nPIRIDIN TERHADAP PERTUMBUHAN IRON OXYDIZING BACTERIA \r\n(IOB) (Other)"^^ . . . . . . "PENGARUH KONSENTRASI ZAT ANTI KOROSI OLIGOMER 4-VINIL \r\nPIRIDIN TERHADAP PERTUMBUHAN IRON OXYDIZING BACTERIA \r\n(IOB) (Other)"^^ . . . . . . "PENGARUH KONSENTRASI ZAT ANTI KOROSI OLIGOMER 4-VINIL \r\nPIRIDIN TERHADAP PERTUMBUHAN IRON OXYDIZING BACTERIA \r\n(IOB) (Other)"^^ . . . . . . "PENGARUH KONSENTRASI ZAT ANTI KOROSI OLIGOMER 4-VINIL \r\nPIRIDIN TERHADAP PERTUMBUHAN IRON OXYDIZING BACTERIA \r\n(IOB) (Other)"^^ . . . . . "HTML Summary of #57179 \n\nPENGARUH KONSENTRASI ZAT ANTI KOROSI OLIGOMER 4-VINIL \nPIRIDIN TERHADAP PERTUMBUHAN IRON OXYDIZING BACTERIA \n(IOB)\n\n" . "text/html" . . . "540 Kimia dan ilmu yang berhubungan" . .