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2. ENVIRONMENTAL ChEMISTRy & TEChNOLOGy 2.1. Lectures

2. ENVIRONMENTAL ChEMISTRy & TEChNOLOGy 2.1. Lectures

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Chem. Listy, 102, s265–s1311 (2008) Environmental Chemistry & Technology<br />

Table III<br />

The cations’ concentrations in the studied water sources (mean values ± SD)<br />

Location na + [ppm] nH 4 – [ppm] K + [ppm] Mg 2+ [ppm] Ca 2+ [ppm]<br />

Draw well near<br />

Tăul Popii lake<br />

121.60 ± 6.03 15.28 ± 0.73 20.96 ± 1.03 108.05 ± 5.33 76.17 ± 3.80<br />

Spring near<br />

Tăul Popii lake<br />

25.93 ± 1.26 1<strong>2.</strong>02 ± 0.51 6.64 ± 0.30 69.27 ± 3.42 65.43 ± 3.25<br />

Cătina lake 168.31 ± 8.41 1<strong>2.</strong>31 ± 0.44 15.54 ± 0.72 156.96 ± 7.79 76.27 ± 3.73<br />

Geaca lake 158.05 ± 7.84 14.62 ± 0.70 17.52 ± 0.86 151.21 ± 7.53 71.25 ± 3.48<br />

Ţaga lake 103.47 ± 5.15 13.03 ± 0.63 19.15 ± 0.94 104.22 ± 5.19 54.07 ± <strong>2.</strong>65<br />

ştiucii lake 28.79 ± 1.40 1<strong>2.</strong>65 ± 0.59 18.43 ± 0.90 18.80 ± 0.93 9.10 ± 0.41<br />

Fizeş river 275.94 ± 13.78 11.11 ± 0.36 15.52 ± 0.74 14<strong>2.</strong>90 ± 7.17 74.97 ± 3.74<br />

anion analysis, the other for cation analysis. With one injection,<br />

the autosampler introduces the sample in both analysis<br />

channels.The method has potential to be used in water quality<br />

surveys in the purpose of correlating diffuse pollution inputs<br />

with changes in water quality. Specific self purification processes<br />

can also be operatively estimated.<br />

REFEREnCES<br />

1. Cickarik D., Dersek-Timotic I., Onjia A., Rajakovic I.: J.<br />

Serb. Chem. Soc. 70, 995, (2005).<br />

<strong>2.</strong> Gjerde D. T., Fritz J. S., Schmuckler G.: J. Chromatogr.<br />

187, 35 (1980).<br />

3. Gjerde D. T., Fritz J. S.: Ion Chromatography. Hüthig,<br />

Heidelberg, 2000.<br />

4. Helaleh M. I. H., Al-Omair A., Tanaka K., Mori M.:<br />

Acta Chromatogr. 15, 247, (2005).<br />

s444<br />

5. Shpigun O. A., Zolotov Y: A. Ion Chromatography in<br />

Water Analysis. West Sussex, England, Ellis Horwood<br />

Ltd., 1988.<br />

6. Small H., Stevens T. S., Bauman W. C.: Anal. Chem. 47,<br />

1801 (1975).<br />

7. Smith F. C., Chang R. C.: The practice of ion-chromatography.<br />

Wiley, 1984.<br />

8. Weiss J.: Ion Chromatography, VCH, Weinheim, 1995.<br />

9. ISO 5667-1: 1980: Water quality – sampling, part 1: guidance<br />

on the design of sampling programmes.<br />

10. ISO 5667-2: 1991: Water quality – sampling – part 2:<br />

guidance on sampling techniques.<br />

11. Directive 2000/60/EC of the European Parliament and<br />

of the Council of 23.11.2000 establishing a framework<br />

for Community action in the field of water policy.

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