S KIM 1106166 Table of content
DAFTAR ISI
PERNYATAAN ................................................................................................. i
ABSTRAK ......................................................................................................... ii
ABSTRACT ....................................................................................................... iii
KATA PENGANTAR ....................................................................................... iv
UCAPAN TERIMA KASIH ........................................................................... v
DAFTAR ISI ...................................................................................................... vi
DAFTAR GAMBAR ......................................................................................... viii
DAFTAR TABEL ............................................................................................. ix
DAFTAR LAMPIRAN ..................................................................................... x
BAB I PENDAHULUAN .................................................................................. 1
1.1 Latar Belakang ..................................................................................... 1
1.2 Rumusan Masalah . ............................................................................... 3
1.3 Batasan Masalah Penelitian ................................................................. 3
1.4 Tujuan Penelitian ................................................................................. 3
1.5 Manfaat Penelitian ............................................................................... 3
BAB II TINJAUAN PUSTAKA ...................................................................... 4
2.1 Definisi Korosi ..................................................................................... 4
2.2 Jenis-jenis Korosi ................................................................................. 5
2.3 Faktor yang Mempengaruhi Laju Korosi ............................................. 7
2.4 Korosi dalam Medium HCl .................................................................. 8
2.5 Pengendalian Korosi ............................................................................ 9
2.6 Inhibitor Korosi .................................................................................... 10
2.7 Mekanisme Kerja Inhibitor Korosi ...................................................... 11
2.8 Metode Pengujian Inhibitor Korosi ..................................................... 12
2.9 Hemin ................................................................................................... 16
2.10 Porfirin ................................................................................................ 17
BAB III METODE PENELITIAN .................................................................. 18
3.1 Waktu dan Lokasi Penelitian ............................................................... 18
3.2 Desain Penelitian ................................................................................. 18
3.3 Alat dan Bahan ..................................................................................... 19
vi
Handi Risa, 2015
POTENSI PROTOPORFIRIN DARI LIMBAH DARAH HASIL PEMOTONGAN AYAM SEBAGAI INHIBITOR
KOROSI BAJA KARBON DALAM MEDIUM HCl 0,5 M
Universitas Pendidikan Indonesia | repository.upi.edu | perpustakaan.upi.edu
3.4 Ekstraksi Hemin dari Limbah Darah Ayam ......................................... 20
3.5 Konversi Hemin menjadi Protoporfirin ............................................... 20
3.6 Karakterisasi Hemin dan Protoporfirin Hasil Percobaan ..................... 21
3.7 Penentuan Laju Korosi dan Efisiensi Inhibisi .. .................................... 21
3.7.1 Preparasi Larutan Uji dan Larutan Induk ................................... 21
3.7.2 Preparasi Spesimen Uji dan Sel Elektrokimia ........................... 22
3.7.3 Prosedur Pengujian .................................................................... 22
3.7.3.1 Open Circuit Potential (OCP) ...................................... 23
3.7.3.2 Uji Impedansi dengan Metode EIS ............................... 23
3.7.3.3 Uji Polarisasi dengan Metode Tafel .............................. 23
3.7.3.4 Pengujian Inhibisi Protoporfirin ................................... 23
BAB IV HASIL DAN PEMBAHASAN .......................................................... 24
4.1 Ekstraksi Hemin dari Darah Ayam ...................................................... 24
4.2 Konversi Hemin menjadi Protoporfirin ............................................... 25
4.3 Pengujian Inhibisi Senyawa Protoporfirin ........................................... 28
4.3.1 Metode Spektroskopi Impedansi Elektrokimia (EIS) ................ 29
4.3.2 Metode Polarisasi Potensiodinamik (Tafel) ............................... 34
BAB V KESIMPULAN DAN SARAN ............................................................ 38
5.1 Kesimpulan .......................................................................................... 38
5.2 Saran .................................................................................................... 38
DAFTAR PUSTAKA ........................................................................................ 39
LAMPIRAN ....................................................................................................... 43
vii
Handi Risa, 2015
POTENSI PROTOPORFIRIN DARI LIMBAH DARAH HASIL PEMOTONGAN AYAM SEBAGAI INHIBITOR
KOROSI BAJA KARBON DALAM MEDIUM HCl 0,5 M
Universitas Pendidikan Indonesia | repository.upi.edu | perpustakaan.upi.edu
PERNYATAAN ................................................................................................. i
ABSTRAK ......................................................................................................... ii
ABSTRACT ....................................................................................................... iii
KATA PENGANTAR ....................................................................................... iv
UCAPAN TERIMA KASIH ........................................................................... v
DAFTAR ISI ...................................................................................................... vi
DAFTAR GAMBAR ......................................................................................... viii
DAFTAR TABEL ............................................................................................. ix
DAFTAR LAMPIRAN ..................................................................................... x
BAB I PENDAHULUAN .................................................................................. 1
1.1 Latar Belakang ..................................................................................... 1
1.2 Rumusan Masalah . ............................................................................... 3
1.3 Batasan Masalah Penelitian ................................................................. 3
1.4 Tujuan Penelitian ................................................................................. 3
1.5 Manfaat Penelitian ............................................................................... 3
BAB II TINJAUAN PUSTAKA ...................................................................... 4
2.1 Definisi Korosi ..................................................................................... 4
2.2 Jenis-jenis Korosi ................................................................................. 5
2.3 Faktor yang Mempengaruhi Laju Korosi ............................................. 7
2.4 Korosi dalam Medium HCl .................................................................. 8
2.5 Pengendalian Korosi ............................................................................ 9
2.6 Inhibitor Korosi .................................................................................... 10
2.7 Mekanisme Kerja Inhibitor Korosi ...................................................... 11
2.8 Metode Pengujian Inhibitor Korosi ..................................................... 12
2.9 Hemin ................................................................................................... 16
2.10 Porfirin ................................................................................................ 17
BAB III METODE PENELITIAN .................................................................. 18
3.1 Waktu dan Lokasi Penelitian ............................................................... 18
3.2 Desain Penelitian ................................................................................. 18
3.3 Alat dan Bahan ..................................................................................... 19
vi
Handi Risa, 2015
POTENSI PROTOPORFIRIN DARI LIMBAH DARAH HASIL PEMOTONGAN AYAM SEBAGAI INHIBITOR
KOROSI BAJA KARBON DALAM MEDIUM HCl 0,5 M
Universitas Pendidikan Indonesia | repository.upi.edu | perpustakaan.upi.edu
3.4 Ekstraksi Hemin dari Limbah Darah Ayam ......................................... 20
3.5 Konversi Hemin menjadi Protoporfirin ............................................... 20
3.6 Karakterisasi Hemin dan Protoporfirin Hasil Percobaan ..................... 21
3.7 Penentuan Laju Korosi dan Efisiensi Inhibisi .. .................................... 21
3.7.1 Preparasi Larutan Uji dan Larutan Induk ................................... 21
3.7.2 Preparasi Spesimen Uji dan Sel Elektrokimia ........................... 22
3.7.3 Prosedur Pengujian .................................................................... 22
3.7.3.1 Open Circuit Potential (OCP) ...................................... 23
3.7.3.2 Uji Impedansi dengan Metode EIS ............................... 23
3.7.3.3 Uji Polarisasi dengan Metode Tafel .............................. 23
3.7.3.4 Pengujian Inhibisi Protoporfirin ................................... 23
BAB IV HASIL DAN PEMBAHASAN .......................................................... 24
4.1 Ekstraksi Hemin dari Darah Ayam ...................................................... 24
4.2 Konversi Hemin menjadi Protoporfirin ............................................... 25
4.3 Pengujian Inhibisi Senyawa Protoporfirin ........................................... 28
4.3.1 Metode Spektroskopi Impedansi Elektrokimia (EIS) ................ 29
4.3.2 Metode Polarisasi Potensiodinamik (Tafel) ............................... 34
BAB V KESIMPULAN DAN SARAN ............................................................ 38
5.1 Kesimpulan .......................................................................................... 38
5.2 Saran .................................................................................................... 38
DAFTAR PUSTAKA ........................................................................................ 39
LAMPIRAN ....................................................................................................... 43
vii
Handi Risa, 2015
POTENSI PROTOPORFIRIN DARI LIMBAH DARAH HASIL PEMOTONGAN AYAM SEBAGAI INHIBITOR
KOROSI BAJA KARBON DALAM MEDIUM HCl 0,5 M
Universitas Pendidikan Indonesia | repository.upi.edu | perpustakaan.upi.edu