Linked Life Data

17326430

Source:http://linkedlifedata.com/resource/pubmed/id/17326430

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
11
pubmed:dateCreated
2007-2-28
pubmed:abstractText
Nonylphenol (NP) having endocrine disrupter activity is an ultra trace component in sewage and reuse wastewater. There are many NP isomers in the wastewater because nonyl structure is different. The background impurity of the samples is very complex with many other components. So it is difficulty for quantitative analysis of NP in the samples. About seventy sewages and recycled wastewater samples were measured for the content of NP isomer mixtures by solid-phase extraction-gas chromatography-mass spectrometry and multi-selected ions monitoring (shortened as SPE-GC-MS-SIM). The results show that hydrophilic-lipophilic-equilibrium solid-phase extraction pole has selective adsorption for NP, so that the samples can be concentrated from 50 to 200 times. The five kinds of mass spectrum ions, i. e. 107, 121, 135, 149, 163, have higher abundance and distinct character. The sum of five selected ion monitoring (sigmaSIM) is from 54.4 to 73 percent of the total ion current for NP, which can accurately represent different NP isomers. Quantitative analysis base on the spectral integralof the sigmaSIM chromatograph can eliminate interference with background signal and ensure selectivity, accuracy and precision ofthe method.
pubmed:language
chi
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
0250-3301
pubmed:author
pubmed:issnType
Print
pubmed:volume
27
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
2222-7
pubmed:meshHeading
pubmed:year
2006
pubmed:articleTitle
[Determination of nonylphenol in wastewater by solid phase extraction gas chromatography mass spectrometry and multi-selective ions].
pubmed:affiliation
The College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100022, China. haoruixia@bjut.edu.cn
pubmed:publicationType
Journal Article, English Abstract, Research Support, Non-U.S. Gov't