Chinese Journal of Chromatography ›› 2023, Vol. 41 ›› Issue (9): 799-806.DOI: 10.3724/SP.J.1123.2022.12014
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TANG Zekun1,2, WAN Huihui1,*(), LI Hong2, CHEN Shaoyun2,*(
), ZHAO Jinfeng1, SUN Yuming1, CAI Rui1, XU Qiang1, ZHANG Hua2,*(
)
Received:
2022-12-30
Online:
2023-09-08
Published:
2023-09-15
Supported by:
CLC Number:
TANG Zekun, WAN Huihui, LI Hong, CHEN Shaoyun, ZHAO Jinfeng, SUN Yuming, CAI Rui, XU Qiang, ZHANG Hua. Determination of nine organic amine compounds in CO2 absorption liquid by hydrophilic interaction liquid chromatography-electrostatic field orbitrap high resolution mass spectrometry[J]. Chinese Journal of Chromatography, 2023, 41(9): 799-806.
Fig. 1 Chemical structure information of the nine organic amine compounds AMPD: 2-amino-2-methyl-1,3-propanediol; PZ: piperazine; DMEA: N,N-dimethylethanolamine; EMEA: N-ethyl ethanolamine; AEEA: hydroxyethyl ethylenediamine; DMCHA: N,N-dimethylcyclohexylamine; MMEA: N-methyl monoethanolamine; MDEA: N-methyldiethanolamine; DEAE: diethylaminoethanol.
No. | Compound | tR/min | Ion mode | Predicated ion (m/z) | Observed ion (m/z) | Product ions (m/z) |
---|---|---|---|---|---|---|
1 | AMPD | 5.38 | [M+H]+ | 106.08626 | 106.08691 | 88.07599, 71.04965 |
2 | PZ | 10.40 | [M+H]+ | 87.09167 | 87.09198 | 85.07635, 70.07570 |
3 | DMEA | 5.78 | [M+H]+ | 90.09134 | 90.09156 | 72.08132, 70.06561 |
4 | EMEA | 6.78 | [M+H]+ | 90.09134 | 90.09156 | 72.08130, 70.06569 |
5 | AEEA | 10.08 | [M+H]+ | 105.10224 | 105.10227 | 88.07602, 70.06571 |
6 | DMCHA | 5.13 | [M+H]+ | 128.14338 | 128.14301 | 83.08586, 55.05496 |
7 | MMEA | 6.18 | [M+H]+ | 76.07570 | 76.07606 | 58.06579, 56.05017 |
8 | MDEA | 6.58 | [M+H]+ | 120.10191 | 120.10165 | 102.09143, 58.06580 |
9 | DEAE | 6.10 | [M+H]+ | 118.12264 | 118.12241 | 100.11222, 72.08123 |
Table 1 MS information of the nine organic amine compounds
No. | Compound | tR/min | Ion mode | Predicated ion (m/z) | Observed ion (m/z) | Product ions (m/z) |
---|---|---|---|---|---|---|
1 | AMPD | 5.38 | [M+H]+ | 106.08626 | 106.08691 | 88.07599, 71.04965 |
2 | PZ | 10.40 | [M+H]+ | 87.09167 | 87.09198 | 85.07635, 70.07570 |
3 | DMEA | 5.78 | [M+H]+ | 90.09134 | 90.09156 | 72.08132, 70.06561 |
4 | EMEA | 6.78 | [M+H]+ | 90.09134 | 90.09156 | 72.08130, 70.06569 |
5 | AEEA | 10.08 | [M+H]+ | 105.10224 | 105.10227 | 88.07602, 70.06571 |
6 | DMCHA | 5.13 | [M+H]+ | 128.14338 | 128.14301 | 83.08586, 55.05496 |
7 | MMEA | 6.18 | [M+H]+ | 76.07570 | 76.07606 | 58.06579, 56.05017 |
8 | MDEA | 6.58 | [M+H]+ | 120.10191 | 120.10165 | 102.09143, 58.06580 |
9 | DEAE | 6.10 | [M+H]+ | 118.12264 | 118.12241 | 100.11222, 72.08123 |
No. | Compound | Linear range/ (ng/mL) | Linear equations | R2 | LOD/ (ng/mL) | LOQ/ (ng/mL) | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Sample 1 | Sample 2 | Sample 3 | Sample 1 | Sample 2 | Sample 3 | |||||||
1 | AMPD | 0.04-25000 | y=1.3005x+805166 | y=1.6144x+17965 | y=1.6472x+116565 | 0.9984 | 0.9910 | 0.9926 | 0.0030 | 0.0250 | ||
2 | PZ | 0.04-25000 | y=3.3012x+5.25675 | y=3.4960x+5.03065 | y=4.1866x+5.18668 | 0.9995 | 0.9987 | 0.9981 | 0.0030 | 0.0250 | ||
3 | DMEA | 0.04-25000 | y=2.8453x+3.36330 | y=4.0884x+6.60093 | y=4.1026x+6.56735 | 0.9989 | 0.9980 | 0.9981 | 0.0030 | 0.0350 | ||
4 | EMEA | 0.04-25000 | y=2.9006x+6.90375 | y=3.77495x+4.92543 | y=4.0225x+4.99919 | 0.9943 | 0.9979 | 0.9953 | 0.0020 | 0.0100 | ||
5 | AEEA | 0.04-25000 | y=122330x+3.07125 | y=123380x+3.1961 | y=104089x+7.0628 | 0.9983 | 0.9986 | 0.9993 | 0.0004 | 0.0035 | ||
6 | DMCHA | 0.04-25000 | y=4.1194x+1.73009 | y=4.75736x+1.35725 | y=5.41105x+1.32278 | 0.9999 | 0.9974 | 0.9972 | 0.0020 | 0.0100 | ||
7 | MMEA | 0.04-25000 | y=1.1483x+5.12991 | y=1.97590x+2.34735 | y=1.98902x+2.01331 | 0.9996 | 0.9932 | 0.9926 | 0.0080 | 0.0400 | ||
8 | MDEA | 0.04-25000 | y=556888x+3.21387 | y=565067x+3.35909 | y=597026x+1.14919 | 0.9991 | 0.9987 | 0.9957 | 0.0004 | 0.0035 | ||
9 | DEAE | 0.04-25000 | y=4.0549x+1.22349 | y=5.68936x+1.11871 | y=5.49765x+2.46986 | 0.9910 | 0.9947 | 0.9994 | 0.0050 | 0.0200 |
Table 2 Linear equations, correlation coefficients (R2), LODs and LOQs of the nine organic amine compounds
No. | Compound | Linear range/ (ng/mL) | Linear equations | R2 | LOD/ (ng/mL) | LOQ/ (ng/mL) | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Sample 1 | Sample 2 | Sample 3 | Sample 1 | Sample 2 | Sample 3 | |||||||
1 | AMPD | 0.04-25000 | y=1.3005x+805166 | y=1.6144x+17965 | y=1.6472x+116565 | 0.9984 | 0.9910 | 0.9926 | 0.0030 | 0.0250 | ||
2 | PZ | 0.04-25000 | y=3.3012x+5.25675 | y=3.4960x+5.03065 | y=4.1866x+5.18668 | 0.9995 | 0.9987 | 0.9981 | 0.0030 | 0.0250 | ||
3 | DMEA | 0.04-25000 | y=2.8453x+3.36330 | y=4.0884x+6.60093 | y=4.1026x+6.56735 | 0.9989 | 0.9980 | 0.9981 | 0.0030 | 0.0350 | ||
4 | EMEA | 0.04-25000 | y=2.9006x+6.90375 | y=3.77495x+4.92543 | y=4.0225x+4.99919 | 0.9943 | 0.9979 | 0.9953 | 0.0020 | 0.0100 | ||
5 | AEEA | 0.04-25000 | y=122330x+3.07125 | y=123380x+3.1961 | y=104089x+7.0628 | 0.9983 | 0.9986 | 0.9993 | 0.0004 | 0.0035 | ||
6 | DMCHA | 0.04-25000 | y=4.1194x+1.73009 | y=4.75736x+1.35725 | y=5.41105x+1.32278 | 0.9999 | 0.9974 | 0.9972 | 0.0020 | 0.0100 | ||
7 | MMEA | 0.04-25000 | y=1.1483x+5.12991 | y=1.97590x+2.34735 | y=1.98902x+2.01331 | 0.9996 | 0.9932 | 0.9926 | 0.0080 | 0.0400 | ||
8 | MDEA | 0.04-25000 | y=556888x+3.21387 | y=565067x+3.35909 | y=597026x+1.14919 | 0.9991 | 0.9987 | 0.9957 | 0.0004 | 0.0035 | ||
9 | DEAE | 0.04-25000 | y=4.0549x+1.22349 | y=5.68936x+1.11871 | y=5.49765x+2.46986 | 0.9910 | 0.9947 | 0.9994 | 0.0050 | 0.0200 |
Compound | Sample 1 | Sample 2 | Sample 3 | ||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Added/(ng/mL) | Recovery/% | RSD/% | Added/(ng/mL) | Recovery/% | RSD/% | Added/(ng/mL) | Recovery/% | RSD/% | |||||||||||||||
AMPD | 0.60 | 89.24 | 0.23 | 0.20 | 97.75 | 1.58 | 0.30 | 89.84 | 5.60 | ||||||||||||||
0.90 | 90.94 | 0.07 | 0.30 | 103.55 | 1.21 | 0.45 | 91.20 | 1.51 | |||||||||||||||
1.80 | 95.17 | 0.16 | 0.60 | 95.61 | 0.19 | 0.90 | 91.75 | 1.06 | |||||||||||||||
PZ | 6.00 | 97.23 | 0.16 | 5.00 | 90.74 | 5.16 | 30 | 91.13 | 1.21 | ||||||||||||||
9.00 | 90.59 | 0.51 | 7.50 | 91.65 | 3.59 | 45 | 92.58 | 0.57 | |||||||||||||||
18.0 | 96.57 | 1.10 | 15.0 | 92.99 | 1.71 | 90 | 95.36 | 1.30 | |||||||||||||||
DMEA | 2.00 | 95.31 | 1.31 | 5.00 | 98.29 | 0.2 | 4.00 | 92.03 | 3.22 | ||||||||||||||
3.00 | 92.84 | 1.63 | 7.50 | 100.91 | 0.3 | 6.00 | 97.60 | 0.13 | |||||||||||||||
6.00 | 93.20 | 0.22 | 15 | 97.38 | 0.6 | 12.0 | 98.85 | 1.46 | |||||||||||||||
EMEA | 1.00 | 104.26 | 0.14 | 0.20 | 91.25 | 1.50 | 5.00 | 97.68 | 0.73 | ||||||||||||||
1.50 | 96.26 | 0.21 | 0.30 | 96.74 | 0.37 | 7.50 | 96.72 | 0.18 | |||||||||||||||
3.00 | 92.34 | 0.31 | 0.60 | 91.59 | 0.11 | 15.0 | 97.32 | 0.04 | |||||||||||||||
AEEA | 1400 | 99.68 | 2.17 | 6.00 | 97.56 | 2.65 | 300 | 97.78 | 1.25 | ||||||||||||||
2100 | 97.88 | 1.76 | 9.00 | 94.91 | 3.98 | 1000 | 98.98 | 0.20 | |||||||||||||||
4200 | 97.73 | 1.37 | 18.0 | 95.37 | 7.95 | 1500 | 95.96 | 0.83 | |||||||||||||||
DMCHA | 0.70 | 85.30 | 3.50 | 0.50 | 87.30 | 3.72 | 0.20 | 87.60 | 5.43 | ||||||||||||||
1.05 | 92.16 | 3.20 | 0.75 | 96.02 | 5.58 | 0.30 | 92.59 | 3.28 | |||||||||||||||
2.10 | 90.34 | 0.12 | 1.50 | 103.03 | 1.16 | 0.60 | 95.20 | 1.66 | |||||||||||||||
MMEA | 100 | 98.74 | 4.19 | 5.00 | 98.65 | 2.09 | 6.00 | 90.92 | 1.95 | ||||||||||||||
150 | 99.64 | 0.69 | 7.50 | 95.62 | 2.33 | 9.00 | 92.61 | 0.74 | |||||||||||||||
300 | 97.48 | 2.33 | 15.0 | 90.25 | 1.63 | 18.00 | 92.47 | 1.06 | |||||||||||||||
MDEA | 500 | 98.62 | 3.20 | 350 | 97.58 | 2.16 | 250 | 96.01 | 2.78 | ||||||||||||||
750 | 97.79 | 0.54 | 525 | 92.30 | 1.15 | 375 | 96.80 | 0.95 | |||||||||||||||
1500 | 94.69 | 1.13 | 1750 | 92.09 | 3.06 | 1250 | 91.93 | 1.10 | |||||||||||||||
DEAE | 3.00 | 93.69 | 4.02 | 0.50 | 102.96 | 2.35 | 15 | 93.74 | 3.38 | ||||||||||||||
4.50 | 95.48 | 0.81 | 0.75 | 98.10 | 3.53 | 20 | 95.95 | 1.15 | |||||||||||||||
9.00 | 95.05 | 1.11 | 1.50 | 94.17 | 7.05 | 50 | 91.98 | 0.17 |
Table 3 Spiked recoveries and RSDs of the nine organic amine compounds in different matrices (n=5)
Compound | Sample 1 | Sample 2 | Sample 3 | ||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Added/(ng/mL) | Recovery/% | RSD/% | Added/(ng/mL) | Recovery/% | RSD/% | Added/(ng/mL) | Recovery/% | RSD/% | |||||||||||||||
AMPD | 0.60 | 89.24 | 0.23 | 0.20 | 97.75 | 1.58 | 0.30 | 89.84 | 5.60 | ||||||||||||||
0.90 | 90.94 | 0.07 | 0.30 | 103.55 | 1.21 | 0.45 | 91.20 | 1.51 | |||||||||||||||
1.80 | 95.17 | 0.16 | 0.60 | 95.61 | 0.19 | 0.90 | 91.75 | 1.06 | |||||||||||||||
PZ | 6.00 | 97.23 | 0.16 | 5.00 | 90.74 | 5.16 | 30 | 91.13 | 1.21 | ||||||||||||||
9.00 | 90.59 | 0.51 | 7.50 | 91.65 | 3.59 | 45 | 92.58 | 0.57 | |||||||||||||||
18.0 | 96.57 | 1.10 | 15.0 | 92.99 | 1.71 | 90 | 95.36 | 1.30 | |||||||||||||||
DMEA | 2.00 | 95.31 | 1.31 | 5.00 | 98.29 | 0.2 | 4.00 | 92.03 | 3.22 | ||||||||||||||
3.00 | 92.84 | 1.63 | 7.50 | 100.91 | 0.3 | 6.00 | 97.60 | 0.13 | |||||||||||||||
6.00 | 93.20 | 0.22 | 15 | 97.38 | 0.6 | 12.0 | 98.85 | 1.46 | |||||||||||||||
EMEA | 1.00 | 104.26 | 0.14 | 0.20 | 91.25 | 1.50 | 5.00 | 97.68 | 0.73 | ||||||||||||||
1.50 | 96.26 | 0.21 | 0.30 | 96.74 | 0.37 | 7.50 | 96.72 | 0.18 | |||||||||||||||
3.00 | 92.34 | 0.31 | 0.60 | 91.59 | 0.11 | 15.0 | 97.32 | 0.04 | |||||||||||||||
AEEA | 1400 | 99.68 | 2.17 | 6.00 | 97.56 | 2.65 | 300 | 97.78 | 1.25 | ||||||||||||||
2100 | 97.88 | 1.76 | 9.00 | 94.91 | 3.98 | 1000 | 98.98 | 0.20 | |||||||||||||||
4200 | 97.73 | 1.37 | 18.0 | 95.37 | 7.95 | 1500 | 95.96 | 0.83 | |||||||||||||||
DMCHA | 0.70 | 85.30 | 3.50 | 0.50 | 87.30 | 3.72 | 0.20 | 87.60 | 5.43 | ||||||||||||||
1.05 | 92.16 | 3.20 | 0.75 | 96.02 | 5.58 | 0.30 | 92.59 | 3.28 | |||||||||||||||
2.10 | 90.34 | 0.12 | 1.50 | 103.03 | 1.16 | 0.60 | 95.20 | 1.66 | |||||||||||||||
MMEA | 100 | 98.74 | 4.19 | 5.00 | 98.65 | 2.09 | 6.00 | 90.92 | 1.95 | ||||||||||||||
150 | 99.64 | 0.69 | 7.50 | 95.62 | 2.33 | 9.00 | 92.61 | 0.74 | |||||||||||||||
300 | 97.48 | 2.33 | 15.0 | 90.25 | 1.63 | 18.00 | 92.47 | 1.06 | |||||||||||||||
MDEA | 500 | 98.62 | 3.20 | 350 | 97.58 | 2.16 | 250 | 96.01 | 2.78 | ||||||||||||||
750 | 97.79 | 0.54 | 525 | 92.30 | 1.15 | 375 | 96.80 | 0.95 | |||||||||||||||
1500 | 94.69 | 1.13 | 1750 | 92.09 | 3.06 | 1250 | 91.93 | 1.10 | |||||||||||||||
DEAE | 3.00 | 93.69 | 4.02 | 0.50 | 102.96 | 2.35 | 15 | 93.74 | 3.38 | ||||||||||||||
4.50 | 95.48 | 0.81 | 0.75 | 98.10 | 3.53 | 20 | 95.95 | 1.15 | |||||||||||||||
9.00 | 95.05 | 1.11 | 1.50 | 94.17 | 7.05 | 50 | 91.98 | 0.17 |
Compound | Matrix | Contents/(ng/mL) | RSD/% | ||||
---|---|---|---|---|---|---|---|
0 h | 12 h | 24 h | 36 h | 48 h | |||
AMPD | sample 1 | 0.584 | 0.574 | 0.569 | 0.573 | 0.577 | 0.97 |
sample 2 | 0.163 | 0.164 | 0.166 | 0.171 | 0.182 | 4.60 | |
sample 3 | 0.323 | 0.321 | 0.338 | 0.309 | 0.311 | 3.61 | |
PZ | sample 1 | 6.170 | 6.351 | 5.872 | 6.144 | 6.208 | 2.83 |
sample 2 | 4.522 | 4.514 | 4.494 | 4.601 | 4.504 | 0.94 | |
sample 3 | 26.944 | 26.816 | 25.872 | 26.144 | 25.988 | 1.87 | |
DMEA | sample 1 | 2.605 | 2.602 | 2.487 | 2.727 | 2.631 | 3.28 |
sample 2 | 0.229 | 0.248 | 0.239 | 0.249 | 0.250 | 3.69 | |
sample 3 | 3.616 | 3.633 | 3.487 | 3.727 | 3.599 | 2.38 | |
EMEA | sample 1 | 1.000 | 0.904 | 0.989 | 1.006 | 1.082 | 6.35 |
sample 2 | 0.178 | 0.179 | 0.188 | 0.183 | 0.185 | 2.28 | |
sample 3 | 0 | ||||||
AEEA | sample 1 | 1374.88 | 1374.25 | 1373.55 | 1375.83 | 1377.25 | 0.10 |
sample 2 | 6.275 | 6.351 | 6.475 | 5.998 | 6.051 | 3.24 | |
sample 3 | 318.875 | 317.153 | 316.475 | 322.998 | 319.817 | 0.81 | |
DMCHA | sample 1 | 0.696 | 0.754 | 0.666 | 0.669 | 0.709 | 5.12 |
sample 2 | 0.525 | 0.537 | 0.544 | 0.544 | 0.518 | 2.19 | |
sample 3 | 0.182 | 0.177 | 0.190 | 0.185 | 0.187 | 2.70 | |
MMEA | sample 1 | 113.395 | 114.752 | 113.397 | 112.037 | 115.021 | 1.06 |
sample 2 | 4.514 | 4.539 | 4.382 | 4.622 | 4.489 | 1.93 | |
sample 3 | 6.064 | 6.189 | 6.382 | 5.962 | 6.003 | 2.77 | |
MDEA | sample 1 | 453.847 | 452.270 | 456.942 | 453.330 | 455.201 | 0.40 |
sample 2 | 336.094 | 335.858 | 340.094 | 332.330 | 334.236 | 0.86 | |
sample 3 | 246.459 | 243.952 | 238.094 | 257.330 | 247.454 | 2.83 | |
DEAE | sample 1 | 2.593 | 2.592 | 2.627 | 2.603 | 2.612 | 0.56 |
sample 2 | 0.472 | 0.481 | 0.518 | 0.468 | 0.478 | 4.14 | |
sample 3 | 13.480 | 13.478 | 13.318 | 13.468 | 13.502 | 0.55 |
Table 4 Stabilities of the nine organic amine compounds in actual samples
Compound | Matrix | Contents/(ng/mL) | RSD/% | ||||
---|---|---|---|---|---|---|---|
0 h | 12 h | 24 h | 36 h | 48 h | |||
AMPD | sample 1 | 0.584 | 0.574 | 0.569 | 0.573 | 0.577 | 0.97 |
sample 2 | 0.163 | 0.164 | 0.166 | 0.171 | 0.182 | 4.60 | |
sample 3 | 0.323 | 0.321 | 0.338 | 0.309 | 0.311 | 3.61 | |
PZ | sample 1 | 6.170 | 6.351 | 5.872 | 6.144 | 6.208 | 2.83 |
sample 2 | 4.522 | 4.514 | 4.494 | 4.601 | 4.504 | 0.94 | |
sample 3 | 26.944 | 26.816 | 25.872 | 26.144 | 25.988 | 1.87 | |
DMEA | sample 1 | 2.605 | 2.602 | 2.487 | 2.727 | 2.631 | 3.28 |
sample 2 | 0.229 | 0.248 | 0.239 | 0.249 | 0.250 | 3.69 | |
sample 3 | 3.616 | 3.633 | 3.487 | 3.727 | 3.599 | 2.38 | |
EMEA | sample 1 | 1.000 | 0.904 | 0.989 | 1.006 | 1.082 | 6.35 |
sample 2 | 0.178 | 0.179 | 0.188 | 0.183 | 0.185 | 2.28 | |
sample 3 | 0 | ||||||
AEEA | sample 1 | 1374.88 | 1374.25 | 1373.55 | 1375.83 | 1377.25 | 0.10 |
sample 2 | 6.275 | 6.351 | 6.475 | 5.998 | 6.051 | 3.24 | |
sample 3 | 318.875 | 317.153 | 316.475 | 322.998 | 319.817 | 0.81 | |
DMCHA | sample 1 | 0.696 | 0.754 | 0.666 | 0.669 | 0.709 | 5.12 |
sample 2 | 0.525 | 0.537 | 0.544 | 0.544 | 0.518 | 2.19 | |
sample 3 | 0.182 | 0.177 | 0.190 | 0.185 | 0.187 | 2.70 | |
MMEA | sample 1 | 113.395 | 114.752 | 113.397 | 112.037 | 115.021 | 1.06 |
sample 2 | 4.514 | 4.539 | 4.382 | 4.622 | 4.489 | 1.93 | |
sample 3 | 6.064 | 6.189 | 6.382 | 5.962 | 6.003 | 2.77 | |
MDEA | sample 1 | 453.847 | 452.270 | 456.942 | 453.330 | 455.201 | 0.40 |
sample 2 | 336.094 | 335.858 | 340.094 | 332.330 | 334.236 | 0.86 | |
sample 3 | 246.459 | 243.952 | 238.094 | 257.330 | 247.454 | 2.83 | |
DEAE | sample 1 | 2.593 | 2.592 | 2.627 | 2.603 | 2.612 | 0.56 |
sample 2 | 0.472 | 0.481 | 0.518 | 0.468 | 0.478 | 4.14 | |
sample 3 | 13.480 | 13.478 | 13.318 | 13.468 | 13.502 | 0.55 |
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