6.單溴取代化合物之質譜分子峰中[M]與[M+2]之強度比為何?
(A)1:1
(B)2:1
(C)3:1
(D)4:1
答案:登入後查看
統計: A(6510), B(303), C(1187), D(143), E(0) #1528057
統計: A(6510), B(303), C(1187), D(143), E(0) #1528057
詳解 (共 7 筆)
#1856980
http://web.nchu.edu.tw/pweb/users/splin/lesson/9514.pdf
P.25
C-13 1.1%: small M+1 peak
Br: [M+]:[M+2]=1:1
Cl: [M+]:[M+2]=3:1
I: PEAK AT 127,large gap
S: [M+]:[M+2]=100:4
195
1
#2592649
同位素
口訣:一溴三氯百四硫
Br=1:1
Cl=1:3
S=4:100
142
4
#2354897
[M+]:[M+1]
C:1:0.01
[M+]:[M+2]
Br =1:1
Cl =3:1
S =100:4
89
0
#2900368
一溴三氯硫百四
溴一溴
再三過濾(氯)
留百世(硫 100:4)
81
0
#2263974
溴一溴
66
4
#6149477
[M+]:[M+2]
Br79:Br81 =1:1
Cl35:Cl37=3:1
S32:S34 =100:4
2
0