Comparison of Six Methods for Determining Aged Phosphine Residues in Wheat
نویسندگان
چکیده
منابع مشابه
investigation of single-user and multi-user detection methods in mc-cdma systems and comparison of their performances
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This new method utilizes headspace-solid-phase micro extraction (HS-SPME) for pre-concentration of PH3. Phosphine was determined with gas chromatography/pulsed flame photometric detector (PFPD). Spiked samples were used for calculation of phosphine residue in grain. Four types of fibres (100μmPDMS, 85μm-CAR/PDMS, 75μm-CAR/PDMS and 65μm-PDMS/DVB) were tested. The bipolar fibres (CAR/PDMS and PDM...
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Nitrate is one of the most important pollutants of surface water and underground water resources which has adverse effects on the health of consumers. Due to lack of sufficient opportunity and budget, in practice, full and timely sampling of all wells in each area is not possible. So the amount of nitrate in certain parts according to the adjacent groundwater is of particular importance in...
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ژورنال
عنوان ژورنال: Journal of AOAC INTERNATIONAL
سال: 1998
ISSN: 1060-3271,1944-7922
DOI: 10.1093/jaoac/81.3.638