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Journal of Analytical Methods in Chemistry
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Journal of Analytical Methods in Chemistry
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2021
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Article
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Tab 1
/
Research Article
Quantitative Determination of
p
-Cymene, Thymol, Neryl Acetate, and
β
-Caryophyllene in Different Growth Periods and Parts of
Eupatorium fortunei
Turcz. by GC-MS/MS
Table 1
Target ion pair, reference ion pairs, and collision voltage of compounds.
Compounds
Target ions (m/z)
Collision voltage (eV)
Reference ions 1 (m/z)
Collision voltage (eV)
Reference ions 2 (m/z)
Collision voltage (eV)
p
-Cymene
119 > 91.1
15
134 > 119.1
9
119 > 117.1
12
Thymol
135 > 91.1
18
150 > 135.1
9
135 > 115.1
15
Neryl acetate
93 > 77.1
12
93 > 91.1
12
93 > 51.1
24
β
-Caryophyllene
93 > 77.1
12
93 > 91.1
9
91 > 65.1
15