kimia dasar 1
TRANSCRIPT
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Dosen Pembimbing :Novena Yety L, S.Farm., Apt.
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Nama Anggota : Nining Patmiyati Resty Nurjati Viquendah
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1. ANALISIS PENDAHULUAN
Organoleptis
Bentuk : Cairan
Warna : Putih bening
Bau : Tidak berbau
Rasa : Pahit
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KELARUTAN
H2O dingin : Larut
H2O panas : Larut
NaOH 3N dingin : Larut
NaOH 3N panas : Larut
H2SO4 3N : Larut
H2SO4 P : Larut
C2H5OH : Larut
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PENGARANGAN
Warna mula mula : Putih
Warna saat meleleh : Coklat
Warna saat pijar : Hitam
Bau yang muncul : Menyengat(Khas)
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2. ANALISIS GUGUS
Basa amin :
Zat uji + H2SO
4+ Reagen Mayer
Kuning muda
3. ANALISIS GOLONGAN
Reaksi parri :
Zat uji + C2H
5OH + reagen parri
+ NH3
→ Ungu
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4. REAKSI KHUSUS
Reaksi zwikker :
Zat uji + 10 tetes reagen zwikker I
+ 2 tetes reagen zwikker II → Pink,
↓coklat di atas
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5. REAKSI INDIVIDUAL
Zat uji pada drupple plate + alkohol hingga larut + 2-3
tetes reagen parri + 1 tetes amonia pekat pink
Zat uji + 2 tetes alkohol + 2 tetes reagen zwikker B
terbentuk kristal amati di bawah mikroskop
Zat uji + 2 tetes NaOH + HCl amati di bawah
mikroskop
200 mg zat uji + 10 ml gas yang membirukan
kertas lakmus merah
Zat uji + 1 ml H2SO
4P setelah dingin + NANO
2
hitam
Zat uji + 5 ml air + beberapa tetes NaOH +I ml asam
sitrat putih bening
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1. ANALISIS PENDAHULUAN
Organoleptis :
Bentuk : Serbuk
Warna : Putih kecoklatan
Bau : Tidak berbau
Rasa : Pahit
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Kelarutan :
H2O dingin : tidak larut
H2O panas : larut
NaOH 3N dingin : tidak larut
NaOH 3N panas : tidak larut
H2SO4 3N : tidak larut
H2SO4 p : larut
C2H5OH : larut
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2. ANALISIS GUGUSBasa amin : Zat uji + H2SO4 + mayer → putih susu kekuningan → bening mengendap kuning
3. ANALISIS GOLONGAN : -
4. REAKSI KHUSUS :Reaksi kuprifil :
Zat uji + 1 ml H2O + 3 tetes HCl 3N + 5 tetes
CuSO4 2 + 1-2 ml NaOH 3N biru muda
→ dikocok dengan 1 ml eter → putih kebiruan,
↓biru di bawah
Reaksi marquis :
Zat uji + formalin + H2SO4 p putih kekuningan
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5. REAKSI INDIVIDUAL
♫ Reaksi kuprifil positif :
putih kebiruan, ↓biru dibawah
♫ Zat uji + reagen marquis kuning
♫ Reaksi kristal dengan aseton air
→ amati dibawah mikroskop
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BENZOKAINA
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1. ANALISIS PENDAHULUAN
Organoleptis :
Bentuk : Serbuk
Warna : Putih
Bau : tidak berbau
Rasa : tebal di lidah
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KELARUTAN
H20 dingin : tidak larut
H2O panas : larut
NaOH 3N dingin : tidak larut
NaOH 3N panas : tidak larut
H2SO
4 3N : tidak larut
H2SO
4p : larut
C2H
5OH : larut
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PENGARANGAN
☻ Warna mula mula : putih
☻ Warna saat meleleh : coklat
☻ Warna saat pijar : hitam
☻ Bau yang muncul : menyengat
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2. ANALISIS GUGUS
Amin aromatis :1. Zat uji + DAB HCl kuning, ↓orange
2. Zat uji + HCl 5-15’ didinginkan putih bening3. Reaksi diazo :
Zat uji + HCl 2N + 1 ml air + NaNO2 + teteskannaftol dalam NaOH ↓merah bata
Reaksi iodoform :Zat uji + 2 ml NaOH 3N beberapa tetes iodium akan tercium bila terdapat benzokaina atau turunan etil ester
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3. ANALISIS GOLONGAN
Reaksi Indofenol :Zat uji + ammonia, Na hipoklorit,dan fenol
4. REAKSI KHUSUS : -
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5. REAKSI INDIVIDUAL
Reaksi Diazo :Zat uji + HCl 2N + 1 ml air + NaNO2 + teteskan
naftol dalam NaOH ↓merah bata Zat uji + 1 ml asam asetat + asam pikrat jenuh
setelah dingin terbentuk kristal lagimaka kristal larut setelah dingin terbentuk kristal lagi
Zat uji pada drupple plate + DAB HCl kuning, ↓orange
Zat uji + asam asetat + asam sulfat p bauetil asetat
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