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New PDF release: Analysis of Pesticides in Ground and Surface Water II:

By J. J. Vreuls, A. J. H. Louter (auth.), Prof. Dr. H.-J. Stan (eds.)

ISBN-10: 3662010631

ISBN-13: 9783662010631

ISBN-10: 3662010658

ISBN-13: 9783662010655

Public crisis is being more and more directed to insecticides and their residues in flooring and floor waters. Water - one of many must haves of lifestyles - needs to be saved fresh for guy and the surroundings. half I and II of this ebook describe in an authoritative means all features of recent research of insecticides in water through the ensuing use of hyphenated recommendations like GC-AED or HPLC-MS.

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Extra resources for Analysis of Pesticides in Ground and Surface Water II: Latest Developments and State-of-the-Art of Multiple Residue Methods

Example text

7 times greater than that for parathion. g. 19, 20]. 7 times as much parathion must be injected to deliver equal amounts of sulfur to the detector). Yei-Ru and co-workers [21] examined a series of alkanes, alkenes and aromatics, reporting that the Hand C responses varied and depended on the original molecule. In another paper, Yei-Ru et al. [22] investigated a number of halogenated compounds and suggest the response is dependent on the number of halogens in the molecule. Rivierie et al. [23] and Jelink and Venema [24] examined numerous S-containing compounds.

These pesticides were in three different solutions and were constantly used to check the condition of the instrument. The two-fold objectives were to 1) ascertain if the AED could detect the pesticides previously quantitated and 2) determine if other Sand P containing compounds were in the samples which were not detected as target compounds by the ECDINPD method. The temperature program for the ECDINPD method is from 80°C to 250°C at 6°C/min. With the initial temperature hold and the final temperature hold, the program takes 62 min.

This provides an 85 to 90% confidence Strawberry 1. Ethalfturalln 2. Dimethoatt 3. DlazlnoD 4. Chlorothalonil 5. Chlorpyrilos 6. Parathion 1. Chlorthl·dlmethyl 8. Folpet 9. Dieldrin 10. Azinphos ·melhyl 50 40 a 30 20 10 10 0~ " I , 5 Time 10 (m i n . ) , 15 p , 20 Fig. 1. AED element chromatograms of F, CI and P for strawberry extract fortified with pesticides. (reprinted with permission from J. Agric. , 39: 2192 (1991). Copyright 1991 American Chemical Society). F. L. Wylie level that the eluting compound is indeed the appropriate target compound.

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Analysis of Pesticides in Ground and Surface Water II: Latest Developments and State-of-the-Art of Multiple Residue Methods by J. J. Vreuls, A. J. H. Louter (auth.), Prof. Dr. H.-J. Stan (eds.)

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