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1. Dichlorodifluoromethane

2. Chloromethane

3. Vinylchloride

4. Bromomethane

5. Chloroethane

6. Trichlorofluoromethane

7. 1,1-Dichloroethane

8. Methylene chloride

9. fra/is-1,2-Dichloroethane

10. Chloroform

11. 1,1,1-Trichloroethane

12. Carbon tetrachloride

13. 1,2-Dichloroethane

14. Trichloroethane

15. 1,2-Dichloropropane

16. Bromodichloromethane

17. c/s-1,3-Dichloropropene

18. frans-1,3-Dichloropropene

19. 1,1,2-Trichloroethane

20. Tetrachloroethane

21. 1,2-Dibromoethane

22. Chlorobenzene

23. Bromoform

24. 1,3-Dichlorobenzene

25. 1,4-Dichlorobenzene

26. 1,2-Dichlorobenzene

Figure 2 Comparison of FID and NPD chromatograms for a sample containing trace amounts of cocaine and heroin. (From Patterson PL. In Detectors for Capillary Chromatography (1992) Hill HH and McMinn DG (eds). Reproduced with permission of John Wiley & Sons, Inc.)

Figure 3 Chromatogram obtained by purge and trap sampling of water with the ELCD in the halogen mode. (From Hall RC. In Detectors for Capillary Chromatography (1992) Hill HH and McMinn DG (eds.). Reproduced with permission of John Wiley & Sons, Inc.) Column: Restek 502.2 FS 0.53 mm x 105 M. Program: 35°C for 11 min, 5°Cmin~1 to 160°C, 4-min final hold. Carrier: helium at 8 mL min-1. ELCD conditions: reactor temperature, 960°C; electrolyte, 35 ^L min-1 n-propyl alchohol; reaction gas, 100 mL min-1 H2.

Solar Panel Basics

Solar Panel Basics

Global warming is a huge problem which will significantly affect every country in the world. Many people all over the world are trying to do whatever they can to help combat the effects of global warming. One of the ways that people can fight global warming is to reduce their dependence on non-renewable energy sources like oil and petroleum based products.

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