Chemical and toxicological properties of coal fly ash - University of ...

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Table 14. Change in chemical composition as a function of time of fly ash I2 extract generated by long-term (142days) equilibration procedure (concentrations in mg/L).1 hour 24 hours 48 hours 7 days 21 days 36 days 65 days 95 days 108 days 124 days 142 dayspHTotal alkal inityaEOC. in mmhos/cmEh in mvbA lAsBBaBsCaCdCPCuFeKMgMnMoNaN iPbSbseS iSnVZn504a ~ mg/L s CaC03b~el at i ve to a norma l hydrogen el ectrode.
Table 15. Change in chemical composition as a function of time of fly ash I3 extract generated by long-term (141days) equilibration procedure (concentrations in mg/L).1 hour 24 hours 48 hours 7 days 21 days 36 days 64 days 94 days 107 days 123 days 141 daysPH 11.7 11.6 1 1,5 12.3 12.8 12.1 11.5 11.2 11.4 11.4 1 1 ,ITotal alkal initya 406 457 457 1530 1043 526 283 256 238 232 23 1phenol phthal ein al kma 350 398 398 1403 950 497 213 213 187 183 183EmC. in mmhos/crn 2,38 2.17 2.07 4.96 4,17 2.29 1.43 1e15 1.11 0.91 0, 89~h in mvb +43 5 +430 +422 +38 5 +303 +339 +320 +408 +336 +354 +38 1aAs mg/L CaC03%el a t i ve to a normal hydrogen el ectrode.
Page 1 and 2: lllinoiSTATSTAT
Page 3 and 4: V SURVEYatural Resources Building60
Page 5 and 6: TABLESSummary of the origin and gen
Page 7 and 8: The overall purpose of this investi
Page 9 and 10: steady state conditions in the disp
Page 11 and 12: total carbon determinations were ca
Page 13 and 14: y passing the extract through a col
Page 15 and 16: The GC-MS analyses were performed b
Page 17 and 18: with ultrapure water. The final HCl
Page 19 and 20: Be 3. Wlir~eraiogical composi'tion
Page 21 and 22: Table 6. Trace constituent concentr
Page 23 and 24: Table 7. Fly ash sample classificat
Page 25 and 26: Table 8. Carbon, sulfur, and benzen
Page 27 and 28: Wave number (cm-'Figure 8. Infrared
Page 29 and 30: Figure 12. HPLC chromatogram of the
Page 31 and 32: Figure 16. HPLC chromatogram of the
Page 34 and 35: Table 11. Organic components in the
Page 36 and 37: Figure 21. Gas chromatogram of the
Page 38 and 39: 4.Jrcrm c o mQU"* 'tn U.a-U U O NrO
Page 40 and 41: constituents. The amount of soluble
Page 44 and 45: Table 16. Change in chemical compos
Page 46 and 47: Change in chemical composition as a
Page 48 and 49: Figure 26. Changes in the concentra
Page 50 and 51: Table 19. Corytituents in the long-
Page 52 and 53: Table 21. The LC-50 values, amount
Page 54 and 55: Table 23. The range of concentratio
Page 56 and 57: Table 25. The range of concentratio
Page 58 and 59: Table 27. The mean initial lengths
Page 60 and 61: Table 32. The mean final lengths an
Page 62 and 63: Several of the extrbivalves ( ~ are
Page 64 and 65: The mean concentrations of various
Page 66 and 67: 1972). Cadmium is a dangerous cumul
Page 68 and 69: Bl umer, M., 1957, Removal of eleme
Page 70 and 71: Furr, A. K-, T. F, Parkinson, R. A.
Page 72 and 73: Murtha, M. J., and G. Burnet, 1979,
Page 74 and 75: Standard methods for examination of

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