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IR-tablice - PBF

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INSTRUMENTALNA ANALIZA − KARAKTERISTIČNE INFRACRVENE APSORPCIJE<br />

FUNKCIJSKA SKUPINA<br />

ALKOHOLI<br />

O−H<br />

C−O<br />

ALKANI<br />

C−H<br />

−C−H<br />

ALKENI<br />

=C−H<br />

C=C<br />

ALKINI<br />

≡C−H<br />

-C≡C-<br />

AROMATSKI<br />

C−H<br />

C=C<br />

AMINI<br />

N−H<br />

C−N<br />

KARAKTERISTIČNA<br />

APSORPCIJA (cm -1 )<br />

3700-3200<br />

1450-1200<br />

1260-970<br />

3000-2850<br />

1480-1350<br />

3100-3010<br />

1000-675<br />

1690-1635<br />

3340-3250<br />

2260-2100<br />

3100-3000<br />

1600-1450<br />

3500-3300<br />

1400-1000<br />

INTENZITET<br />

j., š.<br />

sr.<br />

j.<br />

j.<br />

pr.<br />

sr.<br />

j.<br />

pr.<br />

j.<br />

pr.<br />

sr.<br />

sr.-sl. (više signala)<br />

sr.<br />

sr.-sl.


FUNKCIJSKA SKUPINA<br />

KISELINE<br />

C=O<br />

O−H<br />

C−O<br />

ALDEHIDI<br />

C=O<br />

=C−H<br />

AMIDI<br />

C=O<br />

N−H<br />

ANHIDRIDI<br />

C=O<br />

C−O−C<br />

ESTERI<br />

C=O<br />

C−O<br />

KETONI<br />

C=O<br />

ETERI<br />

C−O<br />

KARAKTERISTIČNA<br />

APSORPCIJA (cm -1 )<br />

1800-1650<br />

3550-2500<br />

1440-1210<br />

1765-1645<br />

2850-2820; 2750-2720<br />

1740-1630<br />

3500-3100<br />

1630-1510<br />

1830-1800, 1775-1740<br />

1050-900<br />

1750-1735<br />

1330-1050<br />

1775-1650<br />

1300-1000<br />

INTENZITET<br />

j.<br />

j., š.<br />

j.<br />

j.<br />

sr. (2 signala)<br />

j.<br />

sr.-sl.<br />

j.<br />

j. (2 signala)<br />

j.<br />

j.<br />

j. (2 ili više signala)<br />

j.<br />

j.<br />

j. = jaki, sr. = srednji, sl. = slabi, š. = široki, pr. = promjenljivi

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