Development of a one-step microwave-assisted extraction procedure for highly efficient extraction of multiclass fungicides in soils

CORC > 生态环境研究中心 > 中国科学院生态环境研究中心 > 环境化学与生态毒理学国家重点实验室

	Development of a one-step microwave-assisted extraction procedure for highly efficient extraction of multiclass fungicides in soils
	Merdassa, Yared ; Liu, Jing-fu ; Megersa, Negussie
刊名	ANALYTICAL METHODS
	2014
卷号	6 期号:9 页码:3025-3033
ISSN号	1759-9660
中文摘要	A one-step microwave-assisted extraction (MAE) procedure for highly efficient multiresidue extraction of seven fungicides (cymoxanil, metalaxyl, mandipropamid, folpet, chlorothalonil, kresoxim-methyl and famoxadone) in soil was developed. The trace residue levels in the soil were determined by high performance liquid chromatography (HPLC) with variable wavelength detection (VWD). Parameters affecting the MAE process such as the type and volume of the extraction solvent, irradiation power, temperature, irradiation time, moisture and salt addition were optimized. Under the optimal conditions, extraction efficiencies in the range of 72.4-99.4% were obtained for all the fungicides studied. The method was linear over the range of 0.01-10 mu g g(-1) with correlation coefficients (r(2)) between 0.9989 and 0.9999. LODs (S/N = 3) and LOQs (S/N = 10) obtained varied from 0.0006 to 0.0015 mu g g(-1) and from 0.002 to 0.005 mu g g(-1), respectively. The proposed method has been successfully applied to the analysis of real soil samples and acceptable recoveries from 57.5 to 122% with RSDs <= 14% were obtained. The overall results have been compared with Soxhlet, shake-flask and ultrasonic solvent extraction techniques. Thus, the developed method could be efficiently used for selective extraction and determination of the target analytes from complex soil matrices.
WOS记录号	WOS:000334736500029
公开日期	2015-03-24
内容类型	期刊论文
源URL	[http://ir.rcees.ac.cn/handle/311016/9340]
专题	生态环境研究中心_环境化学与生态毒理学国家重点实验室
推荐引用方式 GB/T 7714	Merdassa, Yared,Liu, Jing-fu,Megersa, Negussie. Development of a one-step microwave-assisted extraction procedure for highly efficient extraction of multiclass fungicides in soils[J]. ANALYTICAL METHODS,2014,6(9):3025-3033.
APA	Merdassa, Yared,Liu, Jing-fu,&Megersa, Negussie.(2014).Development of a one-step microwave-assisted extraction procedure for highly efficient extraction of multiclass fungicides in soils.ANALYTICAL METHODS,6(9),3025-3033.
MLA	Merdassa, Yared,et al."Development of a one-step microwave-assisted extraction procedure for highly efficient extraction of multiclass fungicides in soils".ANALYTICAL METHODS 6.9(2014):3025-3033.