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ɽ1¡¡Conditions of Gas Chromatography and Gas Chromatography-Mass Spectrometry¡Ê¸¶ÏÀʸ1¤è¤ê°úÍÑ¡Ë
---------------------------------------------------------
Analysis µ Analysis ¶
---------------------------------------------------------
Packing Porapak Q Ucon oil HB 2000
50¡Á80mesh LB 550X
Column 3.1m¡ß3.2mm¦Õ ¡¡ 80m¡ß0.28mm¦Õ
Column 60¡î(8min)¢ª¡¡ ¡¡ 60¡î(16min)¢ª
¡¡temperature 230¡î 4¡î/min 140¡î¡¡4¡î/min
Carrier gas N2 50ml/min N2 0.43ml/min
Detector FID FID
---------------------------------------------------------
Mass spectrometry: ion source temperature.180¡î;
¡¡ionization voltage,20eV.
ɽ2¡¡Identification of Volatiles from Irradiated Low Density Polyethylene Film (Analysis I)¡Ê¸¶ÏÀʸ1¤è¤ê°úÍÑ¡Ë
---------------------------------------------------------------
Peak Compounds Retention Peak area
number time(min) (%)
---------------------------------------------------------------
1 Propane C3H8 16.0
2 Acetaldehyde CH3CHO 20.5 2.6
3 Ethanol C2H5OH 25.7 3.0
4 n-Butane C4H10 27.7
5 Propanal C2H5CHO 31.5 4.5
6 Isopropanol C3H7OH 32.9 2.9
7 Acetie acid CH3COOH 33.5 5.3
8 n-Propanol C3H7OH 35.7 1.3
9 n-Pentane C5H12 36.9 0.8
10 Butanal C3H7CHO 40.0 11.2
Methylethylketone C3H8CO
11 Propionic acid C2H5COOH 42.0 2.6
12 C6H14,C6H12 43.9 7.0
13 3-Pentanone C4H10CO
Pantanal C4H9CHO 47.5 5.9
14 Butyric acid C3H7COOH 49.1 1.4
15 C7H16,C7H14 50.9 9.5
16 Toluene C6H5CH3 52.5 1.9
17 2-Hexanone C5H12CO 53.7 8.1
3-Hexanone
18 C8H18 57.7 11.5
19 C8H18,C8H16 58.8 7.1
20 3-Heptanone C6H14CO 63. 5.6
21 C9H20 69.5 5.8
22 C9H20,C9H18 72.2 1.5
---------------------------------------------------------------
ɽ3¡¡Identification of Volatiles from Irradiated Low Density Polyethylene Film (Analysis II)¡Ê¸¶ÏÀʸ1¤è¤ê°úÍÑ¡Ë
----------------------------------------------------------------
Peak Compounds Retention Peak area
number time(min) (%)
----------------------------------------------------------------
1 Propanal C2H5CHO 9.4 1.6
2 C7H16 9.5 1.2
3 C7H16 9.9 1.3
4 C7H16 10.1 0.6
5 n-Heptane C7H16 10.3 1.6
6 Butanal C3H7CHO 10.7 5.8
7 tert-Butanol C4H9OH 10.9 0.7
8 Methylethylketone C3H8CO 11.0 4.7
9 C8H18 12.0 5.4
10 n-Octane C8H18 12.9 2.4
11 Octene C8H16 13.5 0.6
12 n-Pentanal C4H9CHO 14.0 3.9
13 3-Pentanone C4H10CO 14.0
14 C9H20 14.7 0.4
15 C9H20 15.8 0.7
16 3-Ethylhexane C9H20 16.5 2.0
17 Toluene C6H5CH3 17.7 0.5
18 C9H18 18.2 0.4
19 n-Nonane C9H20 18.6 1.2
20 3-Hexanone C5H12CO 19.0 1.4
21 Nonene C9H18 19.3 1.3
22 2-Hexanone C5H12CO 20.1 1.9
23 C10H22 20.7 0.4
24 C10H22 21.8 0.6
25 C10H22 22.0 1.7
26 C10H22 23.1 0.2
27 C10H22 23.4 0.3
28 C10H22 24.8 0.2
29 n-Decane C10H22 25.5 1.0
30 C10H20 25.9 0.4
31 3-Heptanone C6H14CO 26.2 3.1
32 C11H24 28.3 0.4
33 Decene C10H20 28.6 0.6
34 C11H24 28.8 0.3
35 C11H24 29.3 0.6
36 C11H24 32.7 0.2
37 n-Undecane C11H24 32.9 0.8
38 3-Octanone C7H16CO 33.5 0.7
39 C7H15OH 34.1 0.7
40 Acetic acid CH3COOH 34.4 6.4
41 C12H26 36.4 0.1
42 C12H26 38.1 0.5
43 n-Dodecane C12H26 38.9 0.5
44 Propionic acid C2H5COOH 39.7 5.0
45 n-Tridecane C13H28 44.0 0.5
46 n-Butyric acid C3H7COOH 45.2 4.4
47 Isovaleric acid C4H9COOH 49.3 0.3
48 n-Valeric acid C4H9COOH 53.5 1.7
49 Phenol C6H5OH 62.1
----------------------------------------------------------------
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¸¶ÏÀʸ£± Data source 1¡§
IDENTIFICATION OF THE VOLATILES FROM LOW DENSITY POLYETHYLENE FILM IRRADIATED WITH AN ELECTRON BEAM
Keiko Azuma, Takashi Hirata, Hirotaka Tsunoda, Takasuke Ishitani, Yoshikazu Tanaka
National Food Research Institute
Agric. Biol. Chem., Vol. 47, No. 4, pp.855-860 (1983)
»²¹Í»ñÎÁ£± Reference 1¡§
EFFECTS OF FILM VARIETY ON THE AMOUNT OF CARBOXYLIC ACIDS FROM ELECTRON BEAM IRRADIATED POLYETHYLENE
Keiko Azuma, Yoshikazu Tanaka, Hirotaka Tsunoda, Takashi Hirata, Takasuke Ishitani
National Food Research Institute
Agric. Biol. Chem., Vol. 48, No. 8, pp.2003-2008 (1984)
»²¹Í»ñÎÁ£² Reference 2¡§
EFFECTS OF THE CONDITIONS FOR ELECTRON BEAM IRRADIATION ON THE AMOUNT OF VOLATILES FROM IRRADIATED POLYETHYLENE FILM
Keiko Azuma, Hirotaka Tsunoda, Takashi Hirata, Takasuke Ishitani, Yoshikazu Tanaka
National Food Research Institute
Agric. Biol. Chem., Vol. 48, No. 8, pp.2009-2015 (1984)
¥¡¼¥ï¡¼¥É¡§ÅÅ»ÒÀþ¡¢¥Ý¥ê¥¨¥Á¥ì¥ó¡¢´øȯÀʪ¼Á¡¢Æ±Äê¡¢¤Ë¤ª¤¤¡¢»éËòú²½¿åÁÇ¡¢¥¢¥ë¥Ç¥Ò¥É¡¢¥«¥ë¥Ü¥ó»À
electoron beam, polyethylene, volatiles, identification, odor, aliphatic hydrocarbons, aldehydes, caboxylic acids
ʬÎॳ¡¼¥É¡§020406, 010401