Chinese Journal of Chromatography ›› 2023, Vol. 41 ›› Issue (3): 233-240.DOI: 10.3724/SP.J.1123.2022.05008
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LIU Bolin1,*(), ZHAO Ziwei1, ZHAN Ziyue1, DAI Yanyu1, DING Gang1, XIE Ji’an1, XU Xiangchuan2, KONG Hongtao2
Received:
2022-05-08
Online:
2023-03-08
Published:
2023-03-02
Contact:
LIU Bolin, Tel:(0551)64383133,E-mail:liubolin087@163.com.
Supported by:
CLC Number:
LIU Bolin, ZHAO Ziwei, ZHAN Ziyue, DAI Yanyu, DING Gang, XIE Ji’an, XU Xiangchuan, KONG Hongtao. Simultaneous determination of seven quaternary ammonium compounds in frozen food by ultra performance liquid chromatography-tandem mass spectrometry combined with modified QuEChERS method[J]. Chinese Journal of Chromatography, 2023, 41(3): 233-240.
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URL: https://www.chrom-china.com/EN/10.3724/SP.J.1123.2022.05008
Analyte | Abbreviation | Mode | tR/ min | Parent ion (m/z) | Product ions (m/z) | Collision energies/eV | Cone voltage/V |
---|---|---|---|---|---|---|---|
Dodecyl trimethyl ammonium bromide (十二烷基三甲基溴化铵) | C12-ATMAC | [M-Br]+ | 2.70 | 228.2 | 60.0*/57.1/71.0 | 24/26/24 | 64 |
Benzyldimethyldodecylammonium chloride (苄基十二烷基二甲基氯化铵) | C12-BAC | [M-Cl]+ | 3.17 | 304.2 | 91.0*/58.0/212.2 | 30/26/22 | 56 |
Domiphen bromide (度米芬) | [M-Br]+ | 3.55 | 334.2 | 72.0*/58.0/166.1 | 30/30/24 | 68 | |
Benzyldimethyltetradecylammonium chloride (苄基十四烷基二甲基氯化铵) | C14-BAC | [M-Cl]+ | 3.77 | 332.2 | 91.0*/58.0/240.3 | 30/26/24 | 60 |
2-Methyl-1-dodecanethiol propionate choline chloride (2-甲基-1-十二烷基硫醇丙酸氯化胆碱) | Ephemora | [M-Cl]+ | 4.03 | 374.2 | 113.0*/215.2/315.2 | 24/26/18 | 56 |
Didecyldimethylammonium chloride (双十烷基二甲基氯化铵) | C10-DDAC | [M-Cl]+ | 4.26 | 326.3 | 186.2*/57.1 | 32/28 | 76 |
Benzyldimethylhexadecylammonium chloride (苄基十六烷基二甲基氯化铵) | C16-BAC | [M-Cl]+ | 4.44 | 360.3 | 91.0*/58.0/268.3 | 30/28/24 | 64 |
Table 1 MS parameters for the seven quaternary ammonium compounds (QACs)
Analyte | Abbreviation | Mode | tR/ min | Parent ion (m/z) | Product ions (m/z) | Collision energies/eV | Cone voltage/V |
---|---|---|---|---|---|---|---|
Dodecyl trimethyl ammonium bromide (十二烷基三甲基溴化铵) | C12-ATMAC | [M-Br]+ | 2.70 | 228.2 | 60.0*/57.1/71.0 | 24/26/24 | 64 |
Benzyldimethyldodecylammonium chloride (苄基十二烷基二甲基氯化铵) | C12-BAC | [M-Cl]+ | 3.17 | 304.2 | 91.0*/58.0/212.2 | 30/26/22 | 56 |
Domiphen bromide (度米芬) | [M-Br]+ | 3.55 | 334.2 | 72.0*/58.0/166.1 | 30/30/24 | 68 | |
Benzyldimethyltetradecylammonium chloride (苄基十四烷基二甲基氯化铵) | C14-BAC | [M-Cl]+ | 3.77 | 332.2 | 91.0*/58.0/240.3 | 30/26/24 | 60 |
2-Methyl-1-dodecanethiol propionate choline chloride (2-甲基-1-十二烷基硫醇丙酸氯化胆碱) | Ephemora | [M-Cl]+ | 4.03 | 374.2 | 113.0*/215.2/315.2 | 24/26/18 | 56 |
Didecyldimethylammonium chloride (双十烷基二甲基氯化铵) | C10-DDAC | [M-Cl]+ | 4.26 | 326.3 | 186.2*/57.1 | 32/28 | 76 |
Benzyldimethylhexadecylammonium chloride (苄基十六烷基二甲基氯化铵) | C16-BAC | [M-Cl]+ | 4.44 | 360.3 | 91.0*/58.0/268.3 | 30/28/24 | 64 |
Analyte | Linear range/(ng/mL) | Linear equation | r2 | LOD/(μg/kg) | LOQ/(μg/kg) |
---|---|---|---|---|---|
C12-BAC | 0.1-100 | y=2.99×103x+1.75×102 | 0.9971 | 1.0 | 3.0 |
C14-BAC | 0.1-100 | y=5.49×103x+2.05×102 | 0.9973 | 1.0 | 3.0 |
C16-BAC | 0.1-100 | y=3.85×103x+2.30×10 | 0.9972 | 1.0 | 3.0 |
C12-ATMAC | 0.1-100 | y=1.70×103x+1.07×102 | 0.9976 | 1.0 | 3.0 |
C10-DDAC | 0.1-100 | y=1.43×103x+6.45×10 | 0.9983 | 1.0 | 3.0 |
Domiphen bromide | 0.1-100 | y=1.89×103x+1.88×10 | 0.9979 | 1.0 | 3.0 |
Ephemora | 0.1-100 | y=4.65×103x+6.50 | 0.9977 | 0.5 | 1.5 |
Table 2 Linear ranges, linear equations, correlation coefficients (r2), LODs and LOQs of the seven QACs
Analyte | Linear range/(ng/mL) | Linear equation | r2 | LOD/(μg/kg) | LOQ/(μg/kg) |
---|---|---|---|---|---|
C12-BAC | 0.1-100 | y=2.99×103x+1.75×102 | 0.9971 | 1.0 | 3.0 |
C14-BAC | 0.1-100 | y=5.49×103x+2.05×102 | 0.9973 | 1.0 | 3.0 |
C16-BAC | 0.1-100 | y=3.85×103x+2.30×10 | 0.9972 | 1.0 | 3.0 |
C12-ATMAC | 0.1-100 | y=1.70×103x+1.07×102 | 0.9976 | 1.0 | 3.0 |
C10-DDAC | 0.1-100 | y=1.43×103x+6.45×10 | 0.9983 | 1.0 | 3.0 |
Domiphen bromide | 0.1-100 | y=1.89×103x+1.88×10 | 0.9979 | 1.0 | 3.0 |
Ephemora | 0.1-100 | y=4.65×103x+6.50 | 0.9977 | 0.5 | 1.5 |
Analyte | Spiked level/ (μg/kg) | Recoveries/% | RSDs/% | ||||
---|---|---|---|---|---|---|---|
Chicken | Salmon | Chicken | Salmon | ||||
C12-BAC | 3.00 | 93.5 | 80.1 | 16.8 | 5.14 | ||
10.0 | 86.3 | 79.4 | 10.2 | 10.3 | |||
100 | 84.6 | 86.2 | 9.59 | 8.87 | |||
C14-BAC | 3.00 | 95.5 | 101 | 7.57 | 8.12 | ||
10.0 | 88.3 | 77.8 | 6.31 | 3.92 | |||
100 | 84.1 | 94.7 | 5.85 | 6.25 | |||
C16-BAC | 3.00 | 86.0 | 92.0 | 9.97 | 9.97 | ||
10.0 | 85.4 | 73.8 | 6.28 | 5.34 | |||
100 | 81.6 | 82.1 | 6.32 | 6.36 | |||
C12-ATMAC | 3.00 | 88.5 | 82.4 | 7.83 | 11.1 | ||
10.0 | 76.7 | 72.9 | 10.2 | 6.70 | |||
100 | 80.7 | 81.0 | 5.32 | 6.78 | |||
C10-DDAC | 3.00 | 88.0 | 65.4 | 9.97 | 10.2 | ||
10.0 | 77.6 | 74.3 | 1.43 | 3.68 | |||
100 | 76.9 | 82.1 | 3.06 | 11.6 | |||
Domiphen | 3.00 | 87.7 | 86.5 | 10.6 | 2.93 | ||
bromide | 10.0 | 88.0 | 79.6 | 4.26 | 13.7 | ||
100 | 84.9 | 84.8 | 4.03 | 1.05 | |||
Ephemora | 1.50 | 74.5 | 83.3 | 14.5 | 5.73 | ||
10.0 | 68.1 | 69.7 | 0.64 | 1.51 | |||
100 | 67.9 | 81.0 | 2.23 | 5.29 |
Table 3 Recoveries and RSDs of the seven QACs in chicken and salmon samples (n=6)
Analyte | Spiked level/ (μg/kg) | Recoveries/% | RSDs/% | ||||
---|---|---|---|---|---|---|---|
Chicken | Salmon | Chicken | Salmon | ||||
C12-BAC | 3.00 | 93.5 | 80.1 | 16.8 | 5.14 | ||
10.0 | 86.3 | 79.4 | 10.2 | 10.3 | |||
100 | 84.6 | 86.2 | 9.59 | 8.87 | |||
C14-BAC | 3.00 | 95.5 | 101 | 7.57 | 8.12 | ||
10.0 | 88.3 | 77.8 | 6.31 | 3.92 | |||
100 | 84.1 | 94.7 | 5.85 | 6.25 | |||
C16-BAC | 3.00 | 86.0 | 92.0 | 9.97 | 9.97 | ||
10.0 | 85.4 | 73.8 | 6.28 | 5.34 | |||
100 | 81.6 | 82.1 | 6.32 | 6.36 | |||
C12-ATMAC | 3.00 | 88.5 | 82.4 | 7.83 | 11.1 | ||
10.0 | 76.7 | 72.9 | 10.2 | 6.70 | |||
100 | 80.7 | 81.0 | 5.32 | 6.78 | |||
C10-DDAC | 3.00 | 88.0 | 65.4 | 9.97 | 10.2 | ||
10.0 | 77.6 | 74.3 | 1.43 | 3.68 | |||
100 | 76.9 | 82.1 | 3.06 | 11.6 | |||
Domiphen | 3.00 | 87.7 | 86.5 | 10.6 | 2.93 | ||
bromide | 10.0 | 88.0 | 79.6 | 4.26 | 13.7 | ||
100 | 84.9 | 84.8 | 4.03 | 1.05 | |||
Ephemora | 1.50 | 74.5 | 83.3 | 14.5 | 5.73 | ||
10.0 | 68.1 | 69.7 | 0.64 | 1.51 | |||
100 | 67.9 | 81.0 | 2.23 | 5.29 |
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