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Laboratorium Kimia Analisa Kelompok XIUniversitas Sumatera Utara

DAFTAR ISI

KATA PENGANTAR...................................................................................................i

ABSTRAK....................................................................................................................ii

DAFTAR ISI...............................................................................................................iii

DAFTAR GAMBAR....................................................................................................v

DAFTAR LAMPIRAN................................................................................................vi

BAB I PENDAHULUAN........................................................................................1

1.1 Latar Belakang......................................................................................1

1.2 Perumusan Masalah...............................................................................1

1.3 Tujuan Percobaan..................................................................................2

1.4 Manfaat Percobaan................................................................................2

1.5 Ruang Lingkup Percobaan....................................................................2

BAB II TINJAUAN PUSTAKA...............................................................................3

2.1 Analisa Kualitatif..................................................................................3

2.2 Jenis Analisa..........................................................................................3

2.3 Tahapan dalam Analisa Kuantitatif.......................................................5

2.4 Aplikasi Analisa Kualitatif....................................................................7

2.4.1 Analisa Bahan Pengawet Benzoat pada Saos Tomat...................7

2.4.2 Kajian Analisa Kandungan Vitamin dan Mineral pada Buah-

Buahan Tropis dan Sayur-Sayuran di Toyama Prefecture

Jepang..........................................................................................9

2.4.3 Analisis Logam Transisi dalam Limbah Cair Pabrik Kelapa

Sawit Setelah Perlakuan Land Application................................11

BAB III METODOLOGI PERCOBAAN................................................................13

3.1 Bahan dan Fungsi................................................................................13

3.1.1 Asam Klorida (HCl).................................................................13

3.1.2 Asam Nitrat (HNO3).................................................................13

3.1.3 Asam Sulfida (H2S)..................................................................14

3.1.4 Aquades (H2O).........................................................................14

3.1.5 Kalium Heksasianoferat (K4Fe(CN)6)......................................15

3.1.6 Kalium Tiosinat (KCNS).........................................................15

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3.1.7 Natrium Hidroksida (NaOH)...................................................16

3.2 Peralatan dan Fungsi...........................................................................16

3.2.1 Tabung Reaksi..........................................................................16

3.2.2 Beaker Glass............................................................................16

3.2.3 Gelas Ukur...............................................................................17

3.2.4 Pipet Tetes................................................................................17

3.2.5 Rak Tabung..............................................................................17

3.2.6 Lakmus.....................................................................................18

3.2.7 Bunsen......................................................................................18

3.2.8 Penjepit Tabung.......................................................................18

3.3 Prosedur Percobaan.............................................................................19

3.3.1 Reaksi Warna untuk Fe............................................................19

3.4 Flowchart Percobaan...........................................................................20

3.4.1 Reaksi Warna untuk Fe............................................................20

BAB IV HASIL DAN PEMBAHASAN..................................................................22

4.1 Hasil Identifikasi Kation Fe dengan Reaksi Warna............................22

4.1.1 Sampel Air Kolam Samping Gudang Himatek........................22

4.1.2 Sampel Air Galon “Dave Water”.............................................22

4.1.3 Sampel “Big Cola”...................................................................22

4.2 Pembahasan Identifikasi Kation Fe dengan Reaksi Warna.................22

4.2.1 Sampel Air Kolam Samping Gudang Himatek........................23

4.2.2 Sampel Air Galon “Dave Water”.............................................23

4.2.3 Sampel “Big Cola”...................................................................23

BAB V KESIMPULAN DAN SARAN..................................................................25

5.1 Kesimpulan..........................................................................................25

5.2 Saran....................................................................................................25

DAFTAR PUSTAKA.................................................................................................27

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DAFTAR GAMBAR

Gambar 2.1 Flowchart Analisa Bahan Pengawet Benzoat pada Saos Tomat.............8

Gambar 2.2 Flowchart Kajian Analisa Kandungan Vitamin dan Mineral pada

Buah-Buahan Tropis dan Sayur-Sayuran di Toyama Prefecture

Jepang....................................................................................................10

Gambar 2.3 Flowchart Analisis Logam Transisi dalam Limbah Cair Pabrik

Kelapa Sawit Setelah Perlakuan Land Application...............................12

Gambar 3.1 Tabung Reaksi.......................................................................................16

Gambar 3.2 Beaker Glass..........................................................................................17

Gambar 3.3 Gelas Ukur.............................................................................................17

Gambar 3.4 Pipet Tetes.............................................................................................17

Gambar 3.5 Rak Tabung............................................................................................17

Gambar 3.6 Lakmus..................................................................................................18

Gambar 3.7 Bunsen...................................................................................................18

Gambar 3.8 Penjepit Tabung.....................................................................................18

Gambar 3.9 Flowchart Reaksi Warna Fe dengan Reagensia K4Fe(CN)6 dan

KCNS.....................................................................................................21

Gambar A.1 Foto Hasil Percobaan Air Kolam Samping Gudang Himatek

dengan K4Fe(CN)6.............................................................................LA-1

Gambar A.2 Foto Hasil Percobaan Air Kolam Samping Gudang Himatek

dengan KCNS...................................................................................LA-1

Gambar A.3 Foto Hasil Percobaan Air Galon “Dave Water” dengan

K4Fe(CN)6.........................................................................................LA-2

Gambar A.4 Foto Hasil Percobaan Air Galon “Dave Water” dengan KCNS.......LA-2

Gambar A.5 Foto Hasil Percobaan “Big Cola” dengan K4Fe(CN)6......................LA-3

Gambar A.6 Foto Hasil Percobaan “Big Cola” dengan KCNS.............................LA-3

Gambar B.1 Foto Pengambilan Sampel Air Kolam Samping Gudang

Himatek.............................................................................................LB-1

Gambar B.2 Foto Pengambilan Sampel Air Galon “Dave Water”........................LB-1

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DAFTAR LAMPIRAN

LAMPIRAN A FOTO HASIL PERCOBAAN....................................................LA–1

LA.1 Hasil Percobaan dengan Sampel Air Kolam Samping

Gudang Himatek...............................................................LA–1

LA.2 Hasil Percobaan dengan Sampel Air Galon “Dave

Water”................................................................................LA–2

LA.3 Hasil Percobaan dengan Sampel “Big Cola”......................LA-3

LAMPIRAN B FOTO PENGAMBILAN SAMPEL.............................................LB–1

LB.1 Pengambilan Sampel Air Kolam Samping Gudang

Himatek.............................................................................LB–1

LB.2 Pengambilan Sampel Air Galon “Dave Water”.................LB–1

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