The compound shown is a metabolite found in the central nervous system. It can be measured using HPLC with mass spectrometric detection.
a. The compound can be detected using positive ion mass spectrometry following HPLC separation. Would you use an acidic or basic mobile phase to separate the compound? Give reason for your answer. [3 marks]
b. The Figure below is a mass spectrum of the compound acquired in positive ion mode. Draw the possible structures of the ion at m/z 138.05, 120.04 and 94.07 [9 Marks]
The Compound Shown Is A Metabolite Found In The Central Nervous System It Can Be Measured Using Hplc With Mass Spectrom 1 (42.43 KiB) Viewed 11 times
The Compound Shown Is A Metabolite Found In The Central Nervous System It Can Be Measured Using Hplc With Mass Spectrom 2 (34.03 KiB) Viewed 11 times
trometry [20 Marks] sa metabolite found in the HPLC with mass spectrome H₂N OH can be detected using positive C separation. Would you use an a rate the compound? Give reason elow is a mass spectrum of the con hode. Draw the possible structures 04 and 94.07 [9 Marks]
Condom Reative intensity phase to separate the compound? Give reason for your answer. [3 marks] b. The Figure below is a mass spectrum of the compound acquired in positive ion mode. Draw the possible structures of the ion at m/z 138.05, 120.04 and 94.07 [9 Marks] Text Predictines On Arresibit mvz 110 Fo 130 140
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