200000 Time-> 3.00 4.00 Abundance 30000 25000 20000 15000 10000 5000 m/z--> o 40 60 81 80 5.00 109 6.00 123 137 151 7.00 8.00 9.00 10.00 11.00 12.00 13.00 14.00 Average of 6.675 to 7.061 min. 15.00 16.00 177 17.00 95 207 221 270 331 496 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420 440 460 480 500

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter7: Statistical Data Treatment And Evaluation
Section: Chapter Questions
Problem 7.10QAP
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Use the rule of 13 and mass spect data attached to propose the molecular formula. 151 represents both the M+ and base pwak

200000
Time-->
Abundance
30000
25000
20000
15000
10000
5000
m/z-->>
0
3.00 4.00
40
40
81
60 80
5.00
95
109
6.00
123
137
151
7.00
8.00 9.00 10.00 11.00 12.00 13.00
Average of 6.675 to 7.061 min.
14.00
15.00 16.00
17.00
207 221
270
331
496
********
100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420 440 460 480 500
Transcribed Image Text:200000 Time--> Abundance 30000 25000 20000 15000 10000 5000 m/z-->> 0 3.00 4.00 40 40 81 60 80 5.00 95 109 6.00 123 137 151 7.00 8.00 9.00 10.00 11.00 12.00 13.00 Average of 6.675 to 7.061 min. 14.00 15.00 16.00 17.00 207 221 270 331 496 ******** 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420 440 460 480 500
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