色谱 ›› 2026, Vol. 44 ›› Issue (6): 658-666.DOI: 10.3724/SP.J.1123.2025.09023
收稿日期:2025-09-28
出版日期:2026-06-08
发布日期:2026-06-03
通讯作者:
*Tel:0472-5171569,E-mail:LHK1567@163.com.
基金资助:
LIU Feng, TANG Binbin, WU Liyuan, SONG Lixin, ZHANG Min, HE Min*(
)
Received:2025-09-28
Online:2026-06-08
Published:2026-06-03
Supported by:摘要:
建立了一种测定大气细颗粒物(PM2.5)中7种对苯二胺类化合物(p-phenylenediamines, PPDs)及其醌类氧化物(PPD-Qs)的高效液相色谱-串联质谱方法。样品通过90 mm石英纤维滤膜采集后,采用含1%(体积分数)氨水和20 μmol/L谷胱甘肽的乙腈提取,QuEChERS方法净化及氮吹浓缩后,以5 mmol/L甲酸铵(含0.1%甲酸)和甲醇为流动相,通过Waters ACQUITY UPLC HSS T3(100 mm×2.1 mm,1.8 μm)色谱柱分离,在电喷雾正离子源多反应监测模式下检测,内标法定量。结果表明,各目标物在0.05~20.0 ng/mL范围内线性关系良好(相关系数r均大于0.999),方法检出限和方法定量限分别为0.003~0.07 pg/m3和0.01~0.2 pg/m3。在低、中、高3个加标水平下,各目标物的回收率为66.3%~119.0%,相对标准偏差为1.5%~13.2%(n=6)。应用该方法检测包头市2025年1、2月的PM2.5样品,7种PPDs和5种PPD-Qs被检出,质量浓度范围分别为2.26~251.2 pg/m3和2.36~105.4 pg/m3。该方法简便、环保、准确,适用于PM2.5中PPDs和PPD-Qs的快速定量分析。
中图分类号:
刘峰, 唐彬彬, 吴丽媛, 宋丽新, 张敏, 贺敏. 高效液相色谱-串联质谱法测定大气细颗粒物中7种轮胎抗氧化剂及其醌类氧化物[J]. 色谱, 2026, 44(6): 658-666.
LIU Feng, TANG Binbin, WU Liyuan, SONG Lixin, ZHANG Min, HE Min. Determination of seven tire antioxidants and their quinone oxidation products in fine particulate matter by high performance liquid chromatography-tandem mass spectrometry[J]. Chinese Journal of Chromatography, 2026, 44(6): 658-666.
| Compound name | Abbr. | Retention time/min | Precursor ion (m/z) | Product ions (m/z) | Q1 Pre Bias/V | Collision energies/V | Q3 Pre Bias/V |
|---|---|---|---|---|---|---|---|
N-Isopropyl-N′-phenyl-p-phenylenediamine (N-异丙基-N′-苯基-1,4-苯二胺) | IPPD | 4.694 | 227.0 | 184.1*,107.0 | -15,-12 | -17,-43 | -19,-11 |
N-cyclohexyl-N′-phenyl-1,4-benzenediamine (N-环己基-N′-苯基对苯二胺) | CPPD | 5.092 | 267.1 | 184.0*,129.9 | -14,-11 | -22,-42 | -20,-26 |
| N-(1,3-Dimethylbutyl)-N′-phenyl-p-phenylenediamine (N-(1,3-二甲基丁基)-N′-苯基对苯二胺) | 6PPD | 5.283 | 269.3 | 184.1*,107.0 | -15,-15 | -20,-51 | -13,-22 |
| N-(1,4-Dimethylpentyl)-N′-phenylbenzene-1,4-diamine (N-(1,4-二甲基戊基)-N′-苯基对苯二胺) | 7PPD | 5.491 | 283.1 | 184.1*,93.0 | -12,-12 | -20,-36 | -13,-20 |
N,N-Bis(1,4-dimethylpentyl)-p-phenylenediamine (N,N′-双(1,4-二甲基戊基)-对苯二胺) | 77PD | 5.653 | 305.2 | 135.0*,206.1 | -16,-17 | -34,-20 | -29,-24 |
N,N′-Diphenyl-p-phenylenediamine (N,N-二苯基-对苯二胺) | DPPD | 6.052 | 261.0 | 184.0*,107.0 | -11,-11 | -32,-47 | -20,-21 |
| N,N′-Bis(methylphenyl)-1,4- benzenediamine(N,N′-二(邻甲苯基)对苯二胺) | DTPD | 6.723 | 289.1 | 198.0*,183.1 | -15,-15 | -26,-33 | -20,-18 |
| N-Isopropyl-N′-phenyl-p-phenylenediamine quinone(N-异丙基-N′-苯基-对苯二胺醌) | IPPD-Q | 5.543 | 257.0 | 215.0*,187.0 | -11,-14 | -17,-28 | -24,-20 |
| N,N′-Diphenyl-p-phenylenediamine quinone(N,N′-二苯基-对苯二胺醌) | DPPD-Q | 5.827 | 291.0 | 263.1*,235.0 | -15,-12 | -22,-30 | -14,-24 |
| N,N′-Bis(methylphenyl)-1,4-benzenediamine quinone(N,N′-二(邻甲苯基)对苯二胺醌) | DTPD-Q | 6.058 | 318.9 | 212.0*,184.0 | -18,-14 | -19,-25 | -14,-22 |
| N-Cyclohexyl-N′-phenyl-1,4-benzenediamine quinone (N-环己基-N′-苯基对苯二胺醌) | CPPD-Q | 6.162 | 297.1 | 187.0*,98.0 | -16,-12 | -32,-25 | -19,-25 |
| N-(1,3-Dimethylbutyl)-N′-phenyl-p-phenylenediamine quinone (N-(1,3-二甲基丁基)-N′-苯基-对苯二胺醌) | 6PPD-Q | 6.231 | 299.0 | 214.8*,241.0 | -13,-16 | -19,-33 | -25,-17 |
| N-(1,4-Dimethylpentyl)-N′-phenylbenzene-1,4-diamine quinone (N-(1,4-二甲基戊基)-N′-苯基对苯二胺醌) | 7PPD-Q | 6.514 | 313.1 | 215.0*,187.0 | -16,-17 | -19,-30 | -24,-20 |
| N,N′-Bis(1,4-dimethylpentyl)-p-phenylenediamine quinone (N,N′-双(1,4-二甲基戊基)-对苯二胺醌) | 77PD-Q | 7.335 | 335.2 | 237.1*,138.9 | -18,-19 | -21,-32 | -17,-28 |
| N-(1,3-Dimethylbutyl)-N′-phenyl-p-phenylenediamine-d5 (N-(1,3-二甲基丁基)-N′-苯基对苯二胺-氘5) | 6PPD-d5 | 5.260 | 274.2 | 189.1*,107.0 | -15,-15 | -23,-50 | -13,-23 |
| N-(1,3-Dimethylbutyl)-N′-phenyl-p-phenylenediamineQuinone-d5(N-(1, 3-二甲基丁基)-N′-苯基-对苯二胺醌-氘5) | 6PPD-Q-d5 | 6.208 | 304.1 | 220.0*,192.0 | -16,-10 | -20,-32 | -24,-20 |
表1 7种PPDs、7种PPD-Qs和2种同位素内标的保留时间及质谱参数
Table 1 Retention times and MS parameters of seven p-phenylenediamine compounds (PPDs), seven p-phenylenediamine quinones (PPD-Qs) and two isotope internal standards (ISs)
| Compound name | Abbr. | Retention time/min | Precursor ion (m/z) | Product ions (m/z) | Q1 Pre Bias/V | Collision energies/V | Q3 Pre Bias/V |
|---|---|---|---|---|---|---|---|
N-Isopropyl-N′-phenyl-p-phenylenediamine (N-异丙基-N′-苯基-1,4-苯二胺) | IPPD | 4.694 | 227.0 | 184.1*,107.0 | -15,-12 | -17,-43 | -19,-11 |
N-cyclohexyl-N′-phenyl-1,4-benzenediamine (N-环己基-N′-苯基对苯二胺) | CPPD | 5.092 | 267.1 | 184.0*,129.9 | -14,-11 | -22,-42 | -20,-26 |
| N-(1,3-Dimethylbutyl)-N′-phenyl-p-phenylenediamine (N-(1,3-二甲基丁基)-N′-苯基对苯二胺) | 6PPD | 5.283 | 269.3 | 184.1*,107.0 | -15,-15 | -20,-51 | -13,-22 |
| N-(1,4-Dimethylpentyl)-N′-phenylbenzene-1,4-diamine (N-(1,4-二甲基戊基)-N′-苯基对苯二胺) | 7PPD | 5.491 | 283.1 | 184.1*,93.0 | -12,-12 | -20,-36 | -13,-20 |
N,N-Bis(1,4-dimethylpentyl)-p-phenylenediamine (N,N′-双(1,4-二甲基戊基)-对苯二胺) | 77PD | 5.653 | 305.2 | 135.0*,206.1 | -16,-17 | -34,-20 | -29,-24 |
N,N′-Diphenyl-p-phenylenediamine (N,N-二苯基-对苯二胺) | DPPD | 6.052 | 261.0 | 184.0*,107.0 | -11,-11 | -32,-47 | -20,-21 |
| N,N′-Bis(methylphenyl)-1,4- benzenediamine(N,N′-二(邻甲苯基)对苯二胺) | DTPD | 6.723 | 289.1 | 198.0*,183.1 | -15,-15 | -26,-33 | -20,-18 |
| N-Isopropyl-N′-phenyl-p-phenylenediamine quinone(N-异丙基-N′-苯基-对苯二胺醌) | IPPD-Q | 5.543 | 257.0 | 215.0*,187.0 | -11,-14 | -17,-28 | -24,-20 |
| N,N′-Diphenyl-p-phenylenediamine quinone(N,N′-二苯基-对苯二胺醌) | DPPD-Q | 5.827 | 291.0 | 263.1*,235.0 | -15,-12 | -22,-30 | -14,-24 |
| N,N′-Bis(methylphenyl)-1,4-benzenediamine quinone(N,N′-二(邻甲苯基)对苯二胺醌) | DTPD-Q | 6.058 | 318.9 | 212.0*,184.0 | -18,-14 | -19,-25 | -14,-22 |
| N-Cyclohexyl-N′-phenyl-1,4-benzenediamine quinone (N-环己基-N′-苯基对苯二胺醌) | CPPD-Q | 6.162 | 297.1 | 187.0*,98.0 | -16,-12 | -32,-25 | -19,-25 |
| N-(1,3-Dimethylbutyl)-N′-phenyl-p-phenylenediamine quinone (N-(1,3-二甲基丁基)-N′-苯基-对苯二胺醌) | 6PPD-Q | 6.231 | 299.0 | 214.8*,241.0 | -13,-16 | -19,-33 | -25,-17 |
| N-(1,4-Dimethylpentyl)-N′-phenylbenzene-1,4-diamine quinone (N-(1,4-二甲基戊基)-N′-苯基对苯二胺醌) | 7PPD-Q | 6.514 | 313.1 | 215.0*,187.0 | -16,-17 | -19,-30 | -24,-20 |
| N,N′-Bis(1,4-dimethylpentyl)-p-phenylenediamine quinone (N,N′-双(1,4-二甲基戊基)-对苯二胺醌) | 77PD-Q | 7.335 | 335.2 | 237.1*,138.9 | -18,-19 | -21,-32 | -17,-28 |
| N-(1,3-Dimethylbutyl)-N′-phenyl-p-phenylenediamine-d5 (N-(1,3-二甲基丁基)-N′-苯基对苯二胺-氘5) | 6PPD-d5 | 5.260 | 274.2 | 189.1*,107.0 | -15,-15 | -23,-50 | -13,-23 |
| N-(1,3-Dimethylbutyl)-N′-phenyl-p-phenylenediamineQuinone-d5(N-(1, 3-二甲基丁基)-N′-苯基-对苯二胺醌-氘5) | 6PPD-Q-d5 | 6.208 | 304.1 | 220.0*,192.0 | -16,-10 | -20,-32 | -24,-20 |
图1 7种PPDs、7种PPD-Qs(10 ng/mL)和2种同位素内标(5 ng/mL)的MRM色谱图
Fig. 1 MRM chromatograms of seven PPDs, seven PPD-Qs (10 ng/mL) and two isotope internal standards (5 ng/mL)Peak identifications: 1. IPPD; 2.CPPD; 3. 6PPD-d5; 4. 6PPD; 5. 7PPD; 6. IPPD-Q; 7. 77PD; 8. DPPD-Q; 9. DPPD; 10. DTPD-Q; 11.CPPD-Q; 12. 6PPD-Q-d5; 13. 6PPD-Q; 14. 7PPD-Q; 15. DTPD; 16. 77PD-Q.
图2 不同提取溶液对目标物回收率的影响(n=3)
Fig. 2 Effects of different extraction solvents on the recoveries of the target compounds (n=3)Solvent 1: acetonitrile; Solvent 2: acetonitrile+0.5% (volume fraction) NH3·H2O; Solvent 3: acetonitrile+1% (volume fraction) NH3·H2O; Solvent 4: acetonitrile+2% (volume fraction) NH3·H2O; Solvent 5: acetonitrile+1% (volume fraction) NH3·H2O+10 μmol/L glutathione; Solvent 6: acetonitrile+1% (volume fraction) NH3·H2O+20 μmol/L glutathione; Solvent 7: acetonitrile+1% (volume fraction) NH3·H2O+30 μmol/L glutathione.
图4 不同提取时间对目标物提取效率的影响
Fig. 4 Effects of different extraction times on the extraction efficiency of target compoundsa. PPDs and PPD-Qs spiked in blank sample (n=3); b. three PM2.5 samples. S1: sample 1; S2: sample 2; S3: sample 3.
| Compound | Internal standard | Linear range/ (ng/mL) | Linear equation | r | MDL/ (pg/m3) | MQL/ (pg/m3) |
|---|---|---|---|---|---|---|
| IPPD | 6PPD-d5 | 0.05-20 | y=0.83x-0.0077 | 0.9990 | 0.07 | 0.2 |
| CPPD | 6PPD-d5 | 0.05-20 | y=0.50x-0.0083 | 0.9991 | 0.01 | 0.04 |
| 6PPD | 6PPD-d5 | 0.05-20 | y=1.20x+0.011 | 0.9997 | 0.003 | 0.01 |
| 7PPD | 6PPD-d5 | 0.05-20 | y=0.75x-0.0015 | 0.9994 | 0.05 | 0.2 |
| 77PD | 6PPD-d5 | 0.05-20 | y=0.69x-0.0018 | 0.9998 | 0.04 | 0.2 |
| DPPD | 6PPD-d5 | 0.05-20 | y=0.22x-0.0017 | 0.9994 | 0.02 | 0.1 |
| DTPD | 6PPD-d5 | 0.05-20 | y=0.096x-0.00057 | 0.9999 | 0.04 | 0.1 |
| IPPD-Q | 6PPD-Q-d5 | 0.05-20 | y=0.83x+0.012 | 0.9994 | 0.04 | 0.2 |
| DPPD-Q | 6PPD-Q-d5 | 0.05-20 | y=0.40x+0.018 | 0.9993 | 0.02 | 0.07 |
| DTPD-Q | 6PPD-Q-d5 | 0.05-20 | y=0.45x+0.0010 | 0.9994 | 0.01 | 0.03 |
| CPPD-Q | 6PPD-Q-d5 | 0.05-20 | y=0.95x+0.011 | 0.9998 | 0.03 | 0.09 |
| 6PPD-Q | 6PPD-Q-d5 | 0.05-20 | y=0.72x-0.0065 | 0.9990 | 0.06 | 0.2 |
| 7PPD-Q | 6PPD-Q-d5 | 0.05-20 | y=0.42x+0.014 | 0.9991 | 0.06 | 0.2 |
| 77PD-Q | 6PPD-Q-d5 | 0.05-20 | y=1.70x+0.0026 | 0.9994 | 0.06 | 0.2 |
表2 方法的线性范围、线性方程、相关系数、方法检出限和方法定量限
Table 2 Linear ranges, linear equations, correlation coefficients ( r ), method detection limits (MDLs), and method quantification limits (MQLs)
| Compound | Internal standard | Linear range/ (ng/mL) | Linear equation | r | MDL/ (pg/m3) | MQL/ (pg/m3) |
|---|---|---|---|---|---|---|
| IPPD | 6PPD-d5 | 0.05-20 | y=0.83x-0.0077 | 0.9990 | 0.07 | 0.2 |
| CPPD | 6PPD-d5 | 0.05-20 | y=0.50x-0.0083 | 0.9991 | 0.01 | 0.04 |
| 6PPD | 6PPD-d5 | 0.05-20 | y=1.20x+0.011 | 0.9997 | 0.003 | 0.01 |
| 7PPD | 6PPD-d5 | 0.05-20 | y=0.75x-0.0015 | 0.9994 | 0.05 | 0.2 |
| 77PD | 6PPD-d5 | 0.05-20 | y=0.69x-0.0018 | 0.9998 | 0.04 | 0.2 |
| DPPD | 6PPD-d5 | 0.05-20 | y=0.22x-0.0017 | 0.9994 | 0.02 | 0.1 |
| DTPD | 6PPD-d5 | 0.05-20 | y=0.096x-0.00057 | 0.9999 | 0.04 | 0.1 |
| IPPD-Q | 6PPD-Q-d5 | 0.05-20 | y=0.83x+0.012 | 0.9994 | 0.04 | 0.2 |
| DPPD-Q | 6PPD-Q-d5 | 0.05-20 | y=0.40x+0.018 | 0.9993 | 0.02 | 0.07 |
| DTPD-Q | 6PPD-Q-d5 | 0.05-20 | y=0.45x+0.0010 | 0.9994 | 0.01 | 0.03 |
| CPPD-Q | 6PPD-Q-d5 | 0.05-20 | y=0.95x+0.011 | 0.9998 | 0.03 | 0.09 |
| 6PPD-Q | 6PPD-Q-d5 | 0.05-20 | y=0.72x-0.0065 | 0.9990 | 0.06 | 0.2 |
| 7PPD-Q | 6PPD-Q-d5 | 0.05-20 | y=0.42x+0.014 | 0.9991 | 0.06 | 0.2 |
| 77PD-Q | 6PPD-Q-d5 | 0.05-20 | y=1.70x+0.0026 | 0.9994 | 0.06 | 0.2 |
| Compound | Low | Medium | High | |||
|---|---|---|---|---|---|---|
| Recovery/% | RSD/% | Recovery/% | RSD/% | Recovery/% | RSD/% | |
| IPPD | 80.0 | 9.2 | 113.8 | 4.4 | 104.1 | 5.8 |
| CPPD | 73.8 | 9.3 | 108.2 | 3.4 | 104.2 | 7.0 |
| 6PPD | 94.4 | 8.8 | 103.3 | 8.7 | 92.9 | 7.4 |
| 7PPD | 98.0 | 12.4 | 117.1 | 4.9 | 119.0 | 3.3 |
| 77PD | 113.8 | 4.0 | 84.0 | 1.5 | 73.9 | 3.7 |
| DPPD | 91.0 | 11.6 | 107.4 | 12.8 | 102.3 | 12.2 |
| DTPD | 115.3 | 10.5 | 114.1 | 12.5 | 111.2 | 4.9 |
| IPPD-Q | 78.2 | 7.0 | 98.1 | 3.3 | 94.3 | 7.9 |
| DPPD-Q | 107.0 | 12.3 | 76.5 | 11.0 | 66.3 | 5.9 |
| DTPD-Q | 102.6 | 5.4 | 117.5 | 8.5 | 95.0 | 3.8 |
| CPPD-Q | 83.0 | 12.5 | 109.0 | 7.3 | 100.2 | 6.0 |
| 6PPD-Q | 87.0 | 11.9 | 112.0 | 12.5 | 101.6 | 4.8 |
| 7PPD-Q | 74.5 | 13.2 | 111.4 | 7.6 | 86.5 | 8.4 |
| 77PD-Q | 92.7 | 11.5 | 102.1 | 6.6 | 97.2 | 5.9 |
表3 PPDs和PPD-Qs在低、中、高3个水平下的加标回收率及精密度(n=6)
Table 3 Recoveries and relative standard deviations (RSDs) of PPDs and PPD-Qs at low, medium and high spiked levels (n=6)
| Compound | Low | Medium | High | |||
|---|---|---|---|---|---|---|
| Recovery/% | RSD/% | Recovery/% | RSD/% | Recovery/% | RSD/% | |
| IPPD | 80.0 | 9.2 | 113.8 | 4.4 | 104.1 | 5.8 |
| CPPD | 73.8 | 9.3 | 108.2 | 3.4 | 104.2 | 7.0 |
| 6PPD | 94.4 | 8.8 | 103.3 | 8.7 | 92.9 | 7.4 |
| 7PPD | 98.0 | 12.4 | 117.1 | 4.9 | 119.0 | 3.3 |
| 77PD | 113.8 | 4.0 | 84.0 | 1.5 | 73.9 | 3.7 |
| DPPD | 91.0 | 11.6 | 107.4 | 12.8 | 102.3 | 12.2 |
| DTPD | 115.3 | 10.5 | 114.1 | 12.5 | 111.2 | 4.9 |
| IPPD-Q | 78.2 | 7.0 | 98.1 | 3.3 | 94.3 | 7.9 |
| DPPD-Q | 107.0 | 12.3 | 76.5 | 11.0 | 66.3 | 5.9 |
| DTPD-Q | 102.6 | 5.4 | 117.5 | 8.5 | 95.0 | 3.8 |
| CPPD-Q | 83.0 | 12.5 | 109.0 | 7.3 | 100.2 | 6.0 |
| 6PPD-Q | 87.0 | 11.9 | 112.0 | 12.5 | 101.6 | 4.8 |
| 7PPD-Q | 74.5 | 13.2 | 111.4 | 7.6 | 86.5 | 8.4 |
| 77PD-Q | 92.7 | 11.5 | 102.1 | 6.6 | 97.2 | 5.9 |
| Compound | Detection rate/% | Measured values/(pg/m3) | |||||
|---|---|---|---|---|---|---|---|
| Minimum | P25 | Median | P75 | Maximum | Mean | ||
| 6PPD | 100 | 0.07 | 10.6 | 20.0 | 33.0 | 99.0 | 28.3 |
| IPPD | 82 | 0.67 | 8.27 | 13.3 | 21.9 | 63.7 | 15.6 |
| 7PPD | 50 | 0.48 | 0.48 | 1.03 | 11.1 | 16.9 | 5.81 |
| DTPD | 15 | 0.36 | 0.36 | 0.36 | 0.36 | 35.2 | 4.94 |
| CPPD | 9 | 0.12 | 0.12 | 0.12 | 0.12 | 5.03 | 0.42 |
| 77PD | 8 | 0.38 | 0.38 | 0.38 | 0.38 | 10.1 | 1.34 |
| DPPD | 3 | 0.18 | 0.18 | 0.18 | 0.18 | 21.3 | 0.92 |
| 6PPD-Q | 57 | 0.55 | 0.55 | 5.39 | 9.12 | 19.8 | 5.66 |
| CPPD-Q | 20 | 0.24 | 0.24 | 0.24 | 0.39 | 3.76 | 0.74 |
| 77PD-Q | 16 | 0.67 | 0.67 | 0.67 | 0.67 | 13.4 | 2.85 |
| DPPD-Q | 14 | 0.24 | 0.24 | 0.24 | 0.24 | 60.9 | 4.91 |
| 7PPD-Q | 3 | 0.67 | 0.67 | 0.67 | 0.67 | 7.58 | 0.93 |
表4 包头市2025年1、2月的PM2.5中PPDs和PPD-Qs的检出率和质量浓度(n=28)
Table 4 Detection rates and mass concentrations of PPDs and PPD-Qs in PM2.5 collected from Baotou during January and February 2025 (n=28)
| Compound | Detection rate/% | Measured values/(pg/m3) | |||||
|---|---|---|---|---|---|---|---|
| Minimum | P25 | Median | P75 | Maximum | Mean | ||
| 6PPD | 100 | 0.07 | 10.6 | 20.0 | 33.0 | 99.0 | 28.3 |
| IPPD | 82 | 0.67 | 8.27 | 13.3 | 21.9 | 63.7 | 15.6 |
| 7PPD | 50 | 0.48 | 0.48 | 1.03 | 11.1 | 16.9 | 5.81 |
| DTPD | 15 | 0.36 | 0.36 | 0.36 | 0.36 | 35.2 | 4.94 |
| CPPD | 9 | 0.12 | 0.12 | 0.12 | 0.12 | 5.03 | 0.42 |
| 77PD | 8 | 0.38 | 0.38 | 0.38 | 0.38 | 10.1 | 1.34 |
| DPPD | 3 | 0.18 | 0.18 | 0.18 | 0.18 | 21.3 | 0.92 |
| 6PPD-Q | 57 | 0.55 | 0.55 | 5.39 | 9.12 | 19.8 | 5.66 |
| CPPD-Q | 20 | 0.24 | 0.24 | 0.24 | 0.39 | 3.76 | 0.74 |
| 77PD-Q | 16 | 0.67 | 0.67 | 0.67 | 0.67 | 13.4 | 2.85 |
| DPPD-Q | 14 | 0.24 | 0.24 | 0.24 | 0.24 | 60.9 | 4.91 |
| 7PPD-Q | 3 | 0.67 | 0.67 | 0.67 | 0.67 | 7.58 | 0.93 |
| Number of target compounds | Solvent volume/mL | Redissolved volume/mL | Extraction time/min | Methods | MDLs/(pg/m3) | Ref. |
|---|---|---|---|---|---|---|
| 1 | 11 | 0.5 | 90 | UPLC-MS/MS | 0.03 | [ |
| 7 | 32 | 2 | - | UHPLC-MS/MS | 0.003-0.01a | [ |
| 10 | 15 | 0.1 | 45 | UHPLC-MS/MS | 0.02-0.3a | [ |
| 12 | 12 | 0.2 | 30 | UPLC-MS/MS | 0.04-0.3b | [ |
| 3 | 30 | 0.1 | 90 | HPLC-Q-TOF-MS | - | [ |
| 14 | 10 | 0.2 | 30 | HPLC-MS/MS | 0.003-0.07, 0.001-0.02a, 0.01-0.2b | this study |
表5 本方法与文献方法的比较
Table 5 Comparison between this method and the literature methods
| Number of target compounds | Solvent volume/mL | Redissolved volume/mL | Extraction time/min | Methods | MDLs/(pg/m3) | Ref. |
|---|---|---|---|---|---|---|
| 1 | 11 | 0.5 | 90 | UPLC-MS/MS | 0.03 | [ |
| 7 | 32 | 2 | - | UHPLC-MS/MS | 0.003-0.01a | [ |
| 10 | 15 | 0.1 | 45 | UHPLC-MS/MS | 0.02-0.3a | [ |
| 12 | 12 | 0.2 | 30 | UPLC-MS/MS | 0.04-0.3b | [ |
| 3 | 30 | 0.1 | 90 | HPLC-Q-TOF-MS | - | [ |
| 14 | 10 | 0.2 | 30 | HPLC-MS/MS | 0.003-0.07, 0.001-0.02a, 0.01-0.2b | this study |
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