PMID- 22841080
OWN - NLM
STAT- PubMed-not-MEDLINE
DCOM- 20121210
LR  - 20120730
IS  - 1873-3573 (Electronic)
IS  - 0039-9140 (Linking)
VI  - 97
DP  - 2012 Aug 15
TI  - Rapid analysis of chlorinated anilines in environmental water samples using 
      ultrasound assisted emulsification microextraction with solidification of 
      floating organic droplet followed by HPLC-UV detection.
PG  - 279-84
LID - 10.1016/j.talanta.2012.04.031 [doi]
AB  - The present study demonstrates a simple, rapid and efficient method for the 
      determination of chlorinated anilines (CAs) in environmental water samples using 
      ultrasonication assisted emulsification microextraction technique based on 
      solidification of floating organic droplet (USAEME-SFO) coupled with high 
      performance liquid chromatography-ultraviolet (HPLC-UV) detection. In this 
      extraction method, 1-dodecanol was used as extraction solvent which is of lower 
      density than water, low toxicity, low volatility, and low melting point (24  degrees C). 
      After the USAEME, extraction solvent could be collected easily by keeping the 
      extraction tube in ice bath for 2 min and the solidified organic droplet was 
      scooped out using a spatula and transferred to another glass vial and allowed to 
      thaw. Then, 10 muL of extraction solvent was diluted with mobile phase (1:1) and 
      taken for HPLC-UV analysis. Parameters influencing the extraction efficiency, 
      such as the kind and volume of extraction solvent, volume of sample, 
      ultrasonication time, pH and salt concentration were thoroughly examined and 
      optimized. Under the optimal conditions, the method showed good linearity in the 
      concentration range of 0.05-500 ng mL(-1) with correlation coefficients ranging 
      from 0.9948 to 0.9957 for the three target CAs. The limit of detection based on 
      signal to noise ratio of 3 ranged from 0.01 to 0.1 ng mL(-1). The relative 
      standard deviations (RSDs) varied from 2.1 to 6.1% (n=3) and the enrichment 
      factors ranged from 44 to 124. The proposed method has also been successfully 
      applied to analyze real water samples and the relative recoveries of 
      environmental water samples ranged from 81.1 to 116.9%.
CI  - Copyright (c) 2012 Elsevier B.V. All rights reserved.
FAU - Ramkumar, Abilasha
AU  - Ramkumar A
AD  - Department of Chemistry, National Chung Hsing University, Taichung City 402, 
      Taiwan.
FAU - Ponnusamy, Vinoth Kumar
AU  - Ponnusamy VK
FAU - Jen, Jen-Fon
AU  - Jen JF
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
DEP - 20120503
PL  - Netherlands
TA  - Talanta
JT  - Talanta
JID - 2984816R
EDAT- 2012/07/31 06:00
MHDA- 2012/07/31 06:01
CRDT- 2012/07/31 06:00
PHST- 2012/01/14 00:00 [received]
PHST- 2012/04/15 00:00 [revised]
PHST- 2012/04/19 00:00 [accepted]
PHST- 2012/07/31 06:00 [entrez]
PHST- 2012/07/31 06:00 [pubmed]
PHST- 2012/07/31 06:01 [medline]
AID - S0039-9140(12)00326-8 [pii]
AID - 10.1016/j.talanta.2012.04.031 [doi]
PST - ppublish
SO  - Talanta. 2012 Aug 15;97:279-84. doi: 10.1016/j.talanta.2012.04.031. Epub 2012 May 
      3.