Advanced Journal of Chemistry, Section A
5.9(Q2)
CiteScore
31
h-index

Determination of Novaluron Residues in Soil under Chilli Pepper Ecosystem Using Liquid Chromatography Tandem Mass Spectrometry

Document Type : Original Research Article

Authors

Subhachandrakumar Visal Kumar 1
Kaitharathu Parameswaran Nair Subhashchandran 2
Thomas George 3
Somashekharan Nair Suryamol 3

1 Research and Development Centre, Bharathiar University, Coimbatore, Tamil Nadu, India, 641046

2 Kerala University of Fisheries and Ocean Studies, Panangad, Kochi, Kerala, India, 682506

3 All India Network Project on Pesticide Residues, College of Agriculture, Kerala Agricultural University, Vellayani, Thiruvananthapuram, Kerala, India, 695522

https://doi.org/10.22034/ajca.2020.103665
Abstract
In this work, the persistence of novaluron (Rimon 10% EC) in soil was studied under the humid tropical chilli pepper ecosystem. Residues of novaluron in soil were determined using the modified QuEChERS method and liquid chromatography tandem mass spectrometry. The recovery values of the novaluron were found to be in the range of 88.4-105.2% with relative standard deviation ranging from 3.8 to 15.2% at 0.01, 0.05 and 0.1 µg/mL fortification levels in soil. The soil matrix influenced the ion enhancement in a tune of 22 and 28% at 0.05 and 0.1 mg/kg, respectively. The limit of detection was 0.005 mg/kgand limit of quantitation was 0.01 mg/kg. The initial deposit of the novaluron in soil at 37.5 and 75 g.a.i./ha dosed were 0.073 and 0.151 mg/kg, respectively, which reached below the limit of quantitation (0.01 mg/kg) after 5th and 7th days after the treatment indexing a half-life of 1.85 days for lower dose and 2.13 for higher dose.

Graphical Abstract

Determination of Novaluron Residues in Soil under Chilli Pepper Ecosystem Using Liquid Chromatography Tandem Mass Spectrometry

Keywords

QuEChERS
Soil
Novaluron
LC-MS/MS
Half-life
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Advanced Journal of Chemistry, Section A
Volume 3, Special Issue
Summer 2020
Pages 576-582

  • Receive Date 14 October 2019
  • Revise Date 22 January 2020
  • Accept Date 13 February 2020

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