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result sql = Evaluation of working air quality by using semipermeable membrane devices. Analysis of organophosphorus pesticides.
Evaluation of working air quality by using semipermeable membrane devices. Analysis of organophosphorus pesticides.
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char = t;code = 116
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char = f;code = 102
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char = ;code = 32
char = h;code = 104
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = b;code = 98
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char = e;code = 101
char = n;code = 110
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char = d;code = 100
char = e;code = 101
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char = ;code = 32
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char = e;code = 101
char = r;code = 114
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char = o;code = 111
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char = ;code = 32
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char = a;code = 97
char = f;code = 102
char = e;code = 101
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = d;code = 100
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
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char = >;code = 62
result sql = It has been evaluated the use of semipermeable membrane devices (SPMDs) as passive samplers of organophosphorus pesticides from air, in order to determine the contamination of working environments. Additionally, the use of SPMDs as portable samplers has been also considered. The analytical methodology for the determination of diazinon, chlorpyrifos-methyl, pirimiphos-methyl, chlorpyrifos and fenthion in SPMDs exposed to contaminated air was based on microwave-assisted extraction and gas chromatography with mass spectrometry determination. Limit of detection (LOD) values from 2 to 4ngSPMD(-1) and repeatability from 2 to 7% were obtained by using the aforementioned methodology. Theoretical calculated sampling rates were employed for the estimation of the pesticide concentration in air, by using the pesticide mass retained in the deployed SPMD. The obtained LOD values, for a sampling time of 7 days, were from 1 to 2ngm(-3). The evaluation of the air quality of a pesticide laboratory with an intensive use of diazinon and chlorpyrifos has been made in order to check the operation safety conditions.

Publication: Anal. Chim. Acta 2008 Sep 19 ;626(1)::21-7. :doi: 10.1016/j.aca.2008.07.039.
Publication Date: 2008 Sep 19
Study Author(s): Esteve-Turrillas, Francesc A;Pastor, Agustín;de la Guardia, Miguel;
Institution: Analytical Chemistry Department, University of Valencia, Edifici Jeroni Muñoz, 50 Dr. Moliner, 46100 Burjassot, Valencia, Spain.
Shortcut link to this study:
It has been evaluated the use of semipermeable membrane devices (SPMDs) as passive samplers of organophosphorus pesticides from air, in order to determine the contamination of working environments. Additionally, the use of SPMDs as portable samplers has been also considered. The analytical methodology for the determination of diazinon, chlorpyrifos-methyl, pirimiphos-methyl, chlorpyrifos and fenthion in SPMDs exposed to contaminated air was based on microwave-assisted extraction and gas chromatography with mass spectrometry determination. Limit of detection (LOD) values from 2 to 4ngSPMD(-1) and repeatability from 2 to 7% were obtained by using the aforementioned methodology. Theoretical calculated sampling rates were employed for the estimation of the pesticide concentration in air, by using the pesticide mass retained in the deployed SPMD. The obtained LOD values, for a sampling time of 7 days, were from 1 to 2ngm(-3). The evaluation of the air quality of a pesticide laboratory with an intensive use of diazinon and chlorpyrifos has been made in order to check the operation safety conditions.
PMID: 18761117

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