![图谱](https://www.chemicalbook.com/Spectrum/4064-06-6_MS_1.jpg)
Mass
MS-IW-0064
1,2:3,4-di-O-isopropylidene-alpha-D-galactopyranose
C12H20O6 (Mass of molecular ion: 260)
Source Temperature: 220 °C
Sample Temperature: 160 °C
Reservoir, 75 eV
15.0 3.1
17.0 2.2
18.0 10.9
27.0 4.2
28.0 2.8
29.0 7.1
31.0 10.0
39.0 5.0
40.0 1.1
41.0 11.7
42.0 2.9
43.0 100.0
44.0 3.6
45.0 2.0
53.0 2.0
55.0 8.5
56.0 2.9
57.0 11.0
58.0 11.3
59.0 52.3
60.0 3.9
61.0 2.6
68.0 2.3
69.0 38.4
70.0 4.3
71.0 33.5
72.0 1.6
73.0 8.0
81.0 33.0
82.0 2.2
83.0 5.5
84.0 7.2
85.0 42.4
86.0 4.2
87.0 2.1
95.0 1.9
97.0 10.2
98.0 8.7
99.0 20.1
100.0 53.8
101.0 10.5
109.0 5.7
111.0 1.0
113.0 30.5
114.0 4.4
115.0 3.3
127.0 30.9
128.0 2.1
129.0 2.0
139.0 2.7
141.0 1.8
143.0 1.7
144.0 1.4
145.0 2.8
169.0 1.6
171.0 5.5
185.0 6.2
187.0 22.1
188.0 2.0
203.0 1.5
245.0 83.1
246.0 10.3
247.0 1.6