Soil and Environmental Analysis: Modern Instrumental Techniques - Chapter 5 pptx

Soil and Environmental Analysis: Modern Instrumental Techniques - Chapter 5 pptx

Soil and Environmental Analysis: Modern Instrumental Techniques - Chapter 5 pptx

... R-PDAH 2 þPADH 2þ 2 þ2Cl À , ,R-HCO 3 þNaHCO 3 R-PDAH 2 þPDAH 2þ 2 þ2C1 À Sample R-HCO 3 þMA! R-H þMA!R-H þMA R-PDAH 2 þMA þ2C1 À ! R-A þMHCO 3 R-M þPDAH 2þ 2 þ2C1 À þA R-A þNaHCO 3 ! R-M þHCl!R-H þMC1 R-M þPDAH 2þ 2 þ2C1 À ! R-HCO 3 þNaA R-PDAH 2 þMC1 2 Suppressor ... R-PDAH 2 þMC1 2 Suppressor column Eluent R-H þMHCO 3 ! R-OH þHCl!R-Cl þH 2 O 2R-OH þPDAH 2þ 2 þ2C1 À ! R-M þH 2 CO 3 2R-C1 þP...
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Soil and Environmental Analysis: Modern Instrumental Techniques - Chapter 7 pptx

Soil and Environmental Analysis: Modern Instrumental Techniques - Chapter 7 pptx

... 200 100 148 0.6 4 .5 35. 2 4.3 Rb 100 140 298 0.2 5. 5 8.2 2.2 Sr 100 80 449 0.3 3.9 7.9 2.3 Th 200 100 35. 8 2.3 3 .5 9.2 2 .5 V 200 200 655 0.4 3.9 25. 6 2.3 Y 100 120 85 0.7 2.0 16 .5 2.0 Zn 100 160 ... application, including 55 Fe, 109 Cd, and 241 Am. The sources 55 Fe and 109 Cd both decay by electron capture, which involves a transformation in which the nucleus captures a...
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Soil and Environmental Analysis: Modern Instrumental Techniques - Chapter 1 ppt

Soil and Environmental Analysis: Modern Instrumental Techniques - Chapter 1 ppt

... U.S.A. tel: 21 2-6 9 6-9 000; fax: 21 2-6 8 5- 4 54 0 Distribution and Customer Service Marcel Dekker, Inc., Cimarron Road, Monticello, New York 12701, U.S.A. tel: 80 0-2 2 8-1 160; fax: 84 5- 7 9 6-1 772 Eastern ... overlapping lines include iron at 271.90 25 and platinum at 271.9038 nm, aluminum at 308.2 155 and vanadium at 308.2111 nm, and silicon at 250 .6899 and...
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Soil and Environmental Analysis: Modern Instrumental Techniques - Chapter 2 docx

Soil and Environmental Analysis: Modern Instrumental Techniques - Chapter 2 docx

... between 51 2 51 2 and 4096 Â4096. There are several different types of such so-called charge- transfer devices (CTD), including charge-coupled (CCD), segmented charge-coupled (SCD), and charge-injection ... optimization criteria are signal-to-background ratio and signal-to-noise ratio. In most instances, however, ICP-AES is used as a multielement tool, and therefore compro- mise opera...
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Soil and Environmental Analysis: Modern Instrumental Techniques - Chapter 3 pps

Soil and Environmental Analysis: Modern Instrumental Techniques - Chapter 3 pps

... 7 .5 À0.27 5 ngL À1 10 mgL À1 Fe CSV 1-Nitroso-2-naphthol, pH 6.9 À0 .53 60 ng L À1 2 mgL À1 Ni CSV Dimethylglyoxime, pH 8.3 À1.01 10 ngL À1 60 mgL À1 Pb DP-ASV pH 2.8 with HCl À0 .5 30 ngL À1 50 ... gas 5 10 À7 to 1 Iodide solid-state 5 Â10 À8 to 1 Bromide solid-state 5 Â10 À6 to 1 Lead solid-state 10 À6 to 0.1 Cadmium solid-state 10 À7 to 0.1 Nitrate plastic 7 Â10 À6 to 1 Calcium...
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Soil and Environmental Analysis: Modern Instrumental Techniques - Chapter 6 potx

Soil and Environmental Analysis: Modern Instrumental Techniques - Chapter 6 potx

... 10 2000 5. 65 6. 05 5.81 0. 15 40 420 5. 68 5. 86 5. 78 0.07 100 150 5. 77 5. 84 5. 80 0.03 a Five analyses. SD, standard deviation. Source: Tabatabai and Bremner (1970). Automated Instruments 253 TM Copyright ... (s) Burn cycle Lance flow Purge flow Flow time (s) 1 OffOn5 1 OffOn5 2 On On 15 2 On On 5 3 On On 15 3 On On 5 4 On Off 25 4 On Off 95 5 On On End 5 On Off End Source:...
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Soil and Environmental Analysis: Modern Instrumental Techniques - Chapter 8 ppsx

Soil and Environmental Analysis: Modern Instrumental Techniques - Chapter 8 ppsx

... (e.g., 241 Am and 243 Am at 5. 5 and 5. 35 MeV, respectively) are not always cleanly resolved (Dacheux and Aupiais, 1997, 1998). Scintillation counting can also be used to measure -photons. Since these ... d and a denote daughter and a, respectively and v a v d ¼ M d M a ¼ 234 4 ¼ 58 :5 ð2Þ The ratio of the kinetic energies E d /E a is thus 234 Âð1Þ 2 4 Â 58 :5 2 ¼ 0:017 In...
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Soil and Environmental Analysis: Modern Instrumental Techniques - Chapter 9 docx

Soil and Environmental Analysis: Modern Instrumental Techniques - Chapter 9 docx

... D/H, 13 C/ 12 C, 15 N/ 14 N, 18 O/ 16 O, and 34 S/ 32 S. By Definition, the  Value of Each is 0ø Isotope pair Standard material R standard A D/H Vienna Standard mean Ocean Water (V-SMOW) 0.000 155 76 0.0 155 7 18 O/ 16 O Vienna Standard ... measurement of  15 N. Rapid Commun. Mass Spec. 13: 153 1– 153 4. Johnston, A.M., Scrimgeour, C.M., Kennedy, H.A., and Handley, L.L. 2003. Isolati...
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Soil and Environmental Analysis: Modern Instrumental Techniques - Chapter 10 docx

Soil and Environmental Analysis: Modern Instrumental Techniques - Chapter 10 docx

... agricultural soil. Glob. Biogeochem. Cycl. 14: 85 95. Davidson, E.A. and S.E. Trumbore. 19 95. Gas diffusivity and production of CO 2 in deep soils of the eastern Amazon. Tellus 47B :55 0 56 5. Measurement ... soil atmosphere. In: Soil Analysis. 2d ed. (Smith, K.A., ed.). Marcel Dekker, New York, pp. 50 5 54 6. Smith, K.A. and K.E. Dobbie. 2001. The impact of sampling frequency...
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Soil and Environmental Analysis: Modern Instrumental Techniques - Chapter 11 ppsx

Soil and Environmental Analysis: Modern Instrumental Techniques - Chapter 11 ppsx

... Netherlands. Sun, J., R. Desjardins, L. Mahrt, and J.I. MacPherson. 1998. Transport of carbon dioxide, water vapor and ozone by turbulence and local circulations. J. Geophys. Res. 103: 258 73– 258 85. Sutton, ... Meteorol. 93:211–2 25. Miranda, A., P.G. Jarvis, and J. Grace. 1984. Transpiration and evaporation from heather moorland. Bound Lay. Meteorol. 28:227–243. Moncrieff, J.B.,...
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