SPEKTROSKOPI 13C-NMR KELOMPOK: 1. NANI NANIH H ISW ISWAN ANTI TI 2. NINA MAI MAID DAH 3. RAH AHA AYU 4. RAMDANI 5. RIZKA 6. SYIF SYIFA A FAD FADILAH ILAH
Pr!"# NMR •
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INSTRUMENTASI SPEKTROSKOPI NMR
Tempat Sampel
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(r0#% ,%/0!* "&!$(r $(!*%! $%(,(r 5 /(r" "(+,%r 74 L 8%r%!. T(r&(,%+ $ %!,%r% $0% +0,0/ %*!(,. D%#%, $#0,%r #%$% "0/0!)%
5 mm NMR sample tube
RF energy
upper level of NMR solution
Probe
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A&%, 0!,0+ (!(#%,+%! ,(#%, "%#(& $ ($%! %*!(, $(!*%! ,(#%,. T(r$r $%r : -,(#%, "%#(& -+0#%r%! FR -+0#%r%! D(,(+,r FR
NMR S%#&( P",! 9#rr , r(&(%"( !, #r/(
NMR sample positioned at top of probe Liquid Nitrogen -'96! "(($# %&
Liquid Helium -269! "#$2 %& )uper*ondu*ting magnets require *ontinuous *ooling$
Bagaimana Mempersiapkan Sampel untuk NMR
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1) Gunakan Kuantitas Benar Material. 2) Hapus Semua Partikel Padat. ) Membuat Sampel ke Kedalaman benar. !) Gunakan "euterated Pelarut. #) Gunakan $lean Pembulu% dan $aps. &) 'abel Sampel (nda. ) Gunakan re*erensi internal +) Sampel "egassing
K(&(/'%! NMR 13C $/%!$!*+%! NMR 1H •
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(/(r !r%" ,(!,%!* "0"0!%! %, C $%&% "0%,0 &(+0&. $%#%, (!*%%, #0!8%+ r("!%!" ,%# %, +%r/! "(!)%% r*%!+ $(!*%! M 277-477. T$%+ %$% #(!*%r0' %,-%, +%r/! )%!* "%% ,(r'%$%# #0!8%+ "#(+,r0 +%r(!% 0&%'!)% "($+, $%&% &(+0&. P(!*%r0' #r,! ,(r'%$%# #0!8%+ "#(+,r0 C-13 $%#%, $'&%!*+%!
K(&(%'%! NMR •
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13
C
K(&#%'%! NMR 13C $ %&% "($+,. D("%! !",r0(! NMR 13C "%!*%, r0,. U0!)% $*0!%+%! 0!,0+ (!*%!%&"" "(!)%% r*%!+.
I!,(r#r(,%" 13C-NMR
ALKANA CONTOH 1:
CONTOH 2
CONTOH 3
SOAL ALKANA
ANSWER
ALKIL HALIDA
CONTOH 2
SOAL
,(-(B(N
,(-(B(N
,(-(B(N
ALKENA
ALKUNA
KARONIL
AROMATIC
SOAL
ANSWER
ANSWER
Instrumentasi NMR
