PMID- 25156962
OWN - NLM
STAT- MEDLINE
DCOM- 20150512
LR  - 20140916
IS  - 1873-376X (Electronic)
IS  - 1570-0232 (Linking)
VI  - 969
DP  - 2014 Oct 15
TI  - Quantitative analysis of arsenic speciation in guano and ornithogenic sediments 
      using microwave-assisted extraction followed by high-performance liquid 
      chromatography coupled to hydride generation atomic  fl uorescence spectrometry.
PG  - 29-34
LID - S1570-0232(14)00501-7 [pii]
LID - 10.1016/j.jchromb.2014.07.036 [doi]
AB  - Seabird guano is one of the main sources of nutrient fertilizers in remote 
      coastal island areas, but guano-derived contaminants such as arsenic may cause 
      serious threats to local ecosystems and public health issues. In this study, a 
      new method was developed to analyze arsenic speciation in guano and ornithogenic 
      sediments. Good extraction efficiencies of As(III) (arsenite), DMA 
      (dimethylarsinate), MMA (monomethylarsonate) and As(V) (arsenate) were obtained 
      by using 1.0molL(-1) orthophosphoric acid and 0.1molL(-1) ascorbic acid, followed 
      by microwave-assisted extraction and high-performance liquid chromatography 
      coupled to hydride generation atomic  fl uorescence spectrometry (HPLC-HG-AFS) 
      detection. Under the optimized conditions, the extraction efficiencies of four 
      arsenic species were over 80%. The relative standard deviations (RSDs) were 9.60, 
      6.15, 6.34 and 2.93% (n=7), and the detection limits (mugL(-1)) were 0.82, 2.38, 
      1.45 and 2.31 for As(III), DMA, MMA and As(V), respectively. This method was 
      successfully used to determine arsenic speciation in the guano samples collected 
      from the Xisha Islands of the South China Sea, and the results indicated that 
      As(III) and As(V) were the dominant arsenic species in modern and ancient guano, 
      respectively.
CI  - Copyright (c) 2014 Elsevier B.V. All rights reserved.
FAU - Lou, Chuangneng
AU  - Lou C
AD  - Institute of Polar Environment, University of Science and Technology of China, 
      Hefei, Anhui 230026, China.
FAU - Liu, Wenqi
AU  - Liu W
AD  - Instruments' Center for Physical Science, University of Science and Technology of 
      China, Hefei, Anhui 230026, China.
FAU - Liu, Xiaodong
AU  - Liu X
AD  - Institute of Polar Environment, University of Science and Technology of China, 
      Hefei, Anhui 230026, China. Electronic address: ycx@ustc.edu.cn.
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
DEP - 20140802
PL  - Netherlands
TA  - J Chromatogr B Analyt Technol Biomed Life Sci
JT  - Journal of chromatography. B, Analytical technologies in the biomedical and life 
      sciences
JID - 101139554
RN  - 0 (Arsenicals)
SB  - IM
MH  - Animals
MH  - Arsenicals/*analysis
MH  - Birds
MH  - Chemical Fractionation
MH  - Chromatography, High Pressure Liquid/*methods
MH  - Feces/*chemistry
MH  - Geologic Sediments/*chemistry
MH  - Limit of Detection
MH  - Microwaves
MH  - Reproducibility of Results
MH  - Spectrometry, Fluorescence/*methods
OTO - NOTNLM
OT  - Arsenic speciation
OT  - Atomic  fl uorescence spectrometry
OT  - Enrichment
OT  - Guano
OT  - Microwave-assisted extraction
OT  - Transformation
EDAT- 2014/08/27 06:00
MHDA- 2015/05/13 06:00
CRDT- 2014/08/27 06:00
PHST- 2014/03/31 00:00 [received]
PHST- 2014/07/21 00:00 [revised]
PHST- 2014/07/27 00:00 [accepted]
PHST- 2014/08/27 06:00 [entrez]
PHST- 2014/08/27 06:00 [pubmed]
PHST- 2015/05/13 06:00 [medline]
AID - S1570-0232(14)00501-7 [pii]
AID - 10.1016/j.jchromb.2014.07.036 [doi]
PST - ppublish
SO  - J Chromatogr B Analyt Technol Biomed Life Sci. 2014 Oct 15;969:29-34. doi: 
      10.1016/j.jchromb.2014.07.036. Epub 2014 Aug 2.