11. Infrared Reference Spectra - NIHS

56
Acetaldehyde Acetophenone 11. Infrared Reference Spectra 0 25 %T 50 75 105 4000 3000 2000 1500 1000 600 Wavenumber [cm -1 ] 0 25 %T 50 75 105 4000 3000 2000 1500 1000 600 Wavenumber [cm -1 ] The infrared reference spectra contained in this section were obtained at a resolution of 4 cm –1 , using a Fourier-transform infrared spectrophotometer, under the conditions specified in the individual monographs. The horizontal axis indicates the wavenumber (cm –1 ) and the vertical axis indicates the transmittance (%). As a reference, a potassium bromide disk without any sample was used in the disk method (10 mm in diameter), and an optical plate was used in the paste, thin film, and liquid film methods.

Transcript of 11. Infrared Reference Spectra - NIHS

Page 1: 11. Infrared Reference Spectra - NIHS

Acetaldehyde

Acetophenone

11. Infrared Reference Spectra

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600

Wavenumber [cm-1]

The infrared reference spectra contained in this section were obtained at a resolutionof 4 cm–1, using a Fourier-transform infrared spectrophotometer, under the conditionsspecified in the individual monographs. The horizontal axis indicates thewavenumber (cm–1) and the vertical axis indicates the transmittance (%). As areference, a potassium bromide disk without any sample was used in the disk method(10 mm in diameter), and an optical plate was used in the paste, thin film, and liquidfilm methods.

Page 2: 11. Infrared Reference Spectra - NIHS

Advantame

DL-Alanine

Allyl Cyclohexylpropionate

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600

Wavenumber [cm-1]

Page 3: 11. Infrared Reference Spectra - NIHS

Allyl Hexanoate

Allyl Isothiocyanate

(3-Amino-3-carboxypropyl)dimethylsulfonium Chloride

0

25

75

105

4000 3000 2000 1500 1000 600

Wavenumber [cm-1]

%T 50

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 4: 11. Infrared Reference Spectra - NIHS

Amyl Alcohol

a-Amylcinnamaldehyde

Ammonium Isovalerate

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600

Wavenumber [cm-1]

105

0

25

%T 50

75

4000 3000 2000 1500 1000 600

Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600

Wavenumber [cm-1]

Page 5: 11. Infrared Reference Spectra - NIHS

Anisaldehyde

L-Ascorbic Acid 2-Glucoside

Butyraldehyde

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

40000

25

%T 50

75

105

3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

Page 6: 11. Infrared Reference Spectra - NIHS

Benzyl Acetate

Benzyl Alcohol

Benzyl Propionate

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

Page 7: 11. Infrared Reference Spectra - NIHS

Betaine

Butanol

Butyl Acetate

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 8: 11. Infrared Reference Spectra - NIHS

Butylamine

sec -Butylamine

Butyl Butyrate

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

105

75

%T 50

25

0 4000

3000

2000

1500

Wavenumber [cm-1]

1000

600

Page 9: 11. Infrared Reference Spectra - NIHS

Butyraldehyde

Butyric Acid

Calcium Carboxymethylcellulose

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 10: 11. Infrared Reference Spectra - NIHS

Candelilla Wax

Carnauba Wax

1,8-Cineole

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 11: 11. Infrared Reference Spectra - NIHS

Cinnamaldehyde

Cinnamic Acid

Cinnamyl Acetate

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 12: 11. Infrared Reference Spectra - NIHS

Cinnamyl Alcohol

Citral

Citronellal

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 13: 11. Infrared Reference Spectra - NIHS

Citronellol

Citronellyl Acetate

Citronellyl Formate

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 14: 11. Infrared Reference Spectra - NIHS

Cyclohexyl Acetate

Cyclohexyl Butyrate

Decanal

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 15: 11. Infrared Reference Spectra - NIHS

Decanol

2,3-Diethyl-5-methylpyrazine

2,3-Diethylpyrazine

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 16: 11. Infrared Reference Spectra - NIHS

Dimethyl Dicarbonate

2,3-Dimethylpyrazine

2,5-Dimethylpyrazine

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

105

25

50

75

100

4000 6002000 100015003000

%T

Wavenumber [cm-1]

0

105

25

50

75

100

4000 6002000 100015003000

%T

Wavenumber [cm-1]

0

105

25

50

75

100

4000 6002000 100015003000

%T

Wavenumber [cm-1]

0

105

25

50

75

100

4000 6002000 100015003000

%T

Wavenumber [cm-1]

Page 17: 11. Infrared Reference Spectra - NIHS

2,6-Dimethylpyrazine

2,6-Dimethylpyridine

Ethyl Acetoacetate

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 18: 11. Infrared Reference Spectra - NIHS

Ethyl Butyrate

Ethyl Cinnamate

Ethyl Decanoate

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 19: 11. Infrared Reference Spectra - NIHS

2-Ethyl-3,(5 or 6)-Dimethylpyrazine

Ethyl Heptanoate

Ethyl Hexanoate

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 20: 11. Infrared Reference Spectra - NIHS

Ethyl Isovalerate

2-Ethyl-3-methylpyrazine

2-Ethyl-5-methylpyrazine

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 21: 11. Infrared Reference Spectra - NIHS

2-Ethyl-6-methylpyrazine

5-Ethyl-2-methylpyridine

Ethyl Octanoate

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 22: 11. Infrared Reference Spectra - NIHS

Ethyl Phenylacetate

Ethyl Propionate

2-Ethylpyrazine

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 23: 11. Infrared Reference Spectra - NIHS

3-Ethylpyridine

Ethylvanillin

Eugenol

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 24: 11. Infrared Reference Spectra - NIHS

Fludioxonil

Hexanoic Acid

Hexylamine

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

105

75

%T 50

25

0 4000

3000

2000

1500

Wavenumber [cm-1]

1000

600

Page 25: 11. Infrared Reference Spectra - NIHS

Hydroxycitronellal

Hydroxycitronellal Dimethylacetal

Isoamyl Acetate

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600

105

75

%T 50

25

0 4000

3000

2000

1500

Wavenumber [cm-1]

1000

600

Page 26: 11. Infrared Reference Spectra - NIHS

Isoamyl Alcohol

Isoamyl Butyrate

Isoamyl Formate

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

Page 27: 11. Infrared Reference Spectra - NIHS

Isoamyl Isovalerate

Isoamyl Phenylacetate

Isoamyl Propionate

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600

Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 28: 11. Infrared Reference Spectra - NIHS

Difenoconazole

Wavenumber [cm-1]

Page 29: 11. Infrared Reference Spectra - NIHS

Isobutanol

Isobutylamine

Isobutyl Phenylacetate

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

105

75

%T 50

25

0 4000

3000

2000

1500

Wavenumber [cm-1]

1000

600

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

Page 30: 11. Infrared Reference Spectra - NIHS

Isobutyraldehyde

Isoeugenol

Isopentylamine

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 31: 11. Infrared Reference Spectra - NIHS

Isopropanol

Isopropylamine

Isoquinoline

Wavenumber [cm ]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

105

75

%T 50

25

0 4000

3000

2000

1500

Wavenumber [cm-1]

1000

600

Page 32: 11. Infrared Reference Spectra - NIHS

Isovaleraldehyde

Linalool

Linalyl Acetate

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 33: 11. Infrared Reference Spectra - NIHS

Liquid Paraffin

Maltol

Menaquinone (Extract)

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 34: 11. Infrared Reference Spectra - NIHS

dl -Menthol

l -Menthol

l -Menthyl Acetate

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

105

Page 35: 11. Infrared Reference Spectra - NIHS

DL-Methionine

p -Methylacetophenone

Methyl N -Anthranilate

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 36: 11. Infrared Reference Spectra - NIHS

2-Methylbutanol

3-Methyl-2-butanol

trans -2-Methyl-2-butenal

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 37: 11. Infrared Reference Spectra - NIHS

3-Methyl-2-butenal

3-Methyl-2-butenol

2-Methylbutylaldehyde

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 38: 11. Infrared Reference Spectra - NIHS

2-Methylbutylamine

Methyl Cinnamate

5-Methyl-6,7-dihydro-5H -cyclopentapyrazine

Wavenumber [cm-1]

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

105

75

%T 50

25

0 4000

3000

2000

1500

Wavenumber [cm-1]

1000

600

Page 39: 11. Infrared Reference Spectra - NIHS

Methyl N -Methylanthranilate

1-Methylnaphthalene

Methyl b-Naphthyl Ketone

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 40: 11. Infrared Reference Spectra - NIHS

2-Methylpyrazine

6-Methylquinoline

5-Methylquinoxaline

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 41: 11. Infrared Reference Spectra - NIHS

Methyl Salicylate

Microcrystalline Cellulose

Microcrystalline Wax

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 42: 11. Infrared Reference Spectra - NIHS

Microfibrillated Cellulose

Natamycin

Neotame

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 43: 11. Infrared Reference Spectra - NIHS

g-Nonalactone

Octanal

Octanoic Acid

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 44: 11. Infrared Reference Spectra - NIHS

Paraffin Wax

trans -2-Pentenal

1-Penten-3-ol

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 45: 11. Infrared Reference Spectra - NIHS

2-Pentanol

Pentylamine

l -Perillaldehyde

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

105

75

%T 50

25

0 4000

3000

2000

1500

Wavenumber [cm-1]

1000

600

Page 46: 11. Infrared Reference Spectra - NIHS

Phenethyl Acetate

Phenethylamine

2-(3-Phenylpropyl)pyridine

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 47: 11. Infrared Reference Spectra - NIHS

Piperidine

Piperonal

Polysorbate 20

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 48: 11. Infrared Reference Spectra - NIHS

Polysorbate 60

Polysorbate 65

Polysorbate 80

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 49: 11. Infrared Reference Spectra - NIHS

Polyvinylpolypyrrolidone

Polyvinylpyrrolidone

Powdered Cellulose

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 50: 11. Infrared Reference Spectra - NIHS

Propanol

Propiconazole

Propionaldehyde

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 51: 11. Infrared Reference Spectra - NIHS

Propylamine

Pyrazine

Pyrimethanil

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

105

75

%T 50

25

0 4000

3000

2000

1500

Wavenumber [cm-1]

1000

600

Page 52: 11. Infrared Reference Spectra - NIHS

Pyrrole

Pyrrolidine

Silicone Resin

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 53: 11. Infrared Reference Spectra - NIHS

Sodium Carboxymethylcellulose

Sucralose

5,6,7,8-Tetrahydroquinoxaline

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 54: 11. Infrared Reference Spectra - NIHS

2,3,5,6-Tetramethylpyrazine

All -rac -α-Tocopheryl Acetate

Triethyl Citrate

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 55: 11. Infrared Reference Spectra - NIHS

2,3,5-Trimethylpyrazine

g -Undecalactone

Valeraldehyde

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

Page 56: 11. Infrared Reference Spectra - NIHS

Vanillin

Xylitol

%T 50

0

25

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]

0

25

%T 50

75

105

4000 3000 2000 1500 1000 600Wavenumber [cm-1]