PMID- 34213139
OWN - NLM
STAT- PubMed-not-MEDLINE
LR  - 20210702
IS  - 1872-2059 (Electronic)
IS  - 1000-8713 (Linking)
VI  - 37
IP  - 12
DP  - 2019 Dec 8
TI  - [Chiral separation of six triazole pesticide enantiomers by ultra-performance 
      convergence chromatography and residue determination in cucumber].
PG  - 1356-1362
LID - 10.3724/SP.J.1123.2019.08028 [doi]
AB  - The separation of six triazole pesticide enantiomers (TPEs) by ultra-performance 
      convergence chromatography (UPC(2)) was attempted, and residue analytical methods 
      for these TPEs in cucumber were established. The triazole pesticides were 
      triadimefon, triadimenol, hexaconazole, tebuconazole, bitertanol, and 
      myclobutanil. The sample was extracted with acetonitrile and cleaned up using 
      graphitized carbon black (GCB), a Florisil-phase extraction column, and the 
      QuEChERS method. The treated extract was separated on an Acquity Terifoil AMY1 
      chromatographic column, with gradient elution using a mixture of supercritical 
      CO(2) and methanol or ethanol-isopropanol as the mobile phase. The residues of 
      the six TPEs were quantified by the external standard method. The limits of 
      quantitation (S/N>10) of these TPEs in cucumber were 0.1 mg/kg. The recoveries of 
      the TPEs in cucumber at three spiked levels of 0.1, 0.2, and 0.5 mg/kg ranged 
      from 65.1% to 116% with relative standard deviations (RSDs) of 1.0%-9.6%. The 
      developed method facilitated the enantioseparation of the six TPEs and the 
      accurate estimation of their residues in the cucumber matrix. This method is 
      expected to play an important role in the production and utilization of chiral 
      pesticides, as well as the establishment of relevant laws and regulations.
FAU - Zhang, Wenhua
AU  - Zhang W
AD  - Zhejiang Academy of Science and Technology for Inspection and Quarantine, 
      Hangzhou 310016, China.
FAU - Xie, Wen
AU  - Xie W
AD  - Zhejiang Academy of Science and Technology for Inspection and Quarantine, 
      Hangzhou 310016, China.
FAU - Hou, Jianbo
AU  - Hou J
AD  - Zhejiang Academy of Science and Technology for Inspection and Quarantine, 
      Hangzhou 310016, China.
FAU - Chen, Qinke
AU  - Chen Q
AD  - Zhejiang Lead Product Technic Co., Ltd., Hangzhou 310016, China.
FAU - Li, Shumin
AU  - Li S
AD  - Zhejiang Lead Product Technic Co., Ltd., Hangzhou 310016, China.
FAU - Zhu, Zelong
AU  - Zhu Z
AD  - Zhejiang Lead Product Technic Co., Ltd., Hangzhou 310016, China.
FAU - Zou, Xuequan
AU  - Zou X
AD  - Zhejiang Academy of Science and Technology for Inspection and Quarantine, 
      Hangzhou 310016, China.
FAU - Xu, Dunming
AU  - Xu D
AD  - Technical Center of Xiamen Customs, Xiamen 361026, China.
LA  - chi
PT  - English Abstract
PT  - Journal Article
PL  - China
TA  - Se Pu
JT  - Se pu = Chinese journal of chromatography
JID - 9424804
SB  - IM
OTO - NOTNLM
OT  - chiral separation
OT  - enantiomer
OT  - residue
OT  - triazole pesticides
OT  - ultra-performance convergence chromatography (UPC2)
EDAT- 2019/12/08 00:00
MHDA- 2019/12/08 00:01
CRDT- 2021/07/02 09:12
PHST- 2021/07/02 09:12 [entrez]
PHST- 2019/12/08 00:00 [pubmed]
PHST- 2019/12/08 00:01 [medline]
AID - 10.3724/SP.J.1123.2019.08028 [doi]
PST - ppublish
SO  - Se Pu. 2019 Dec 8;37(12):1356-1362. doi: 10.3724/SP.J.1123.2019.08028.