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

... 2.55 0. 167 0.032 0.2330 39. 16 3.71 0.2 96 0.8587 2 .68 0.1 76 0.035 0.2 267 38. 96 3 .68 0.2 86 "  2 .62 0.170 0.033 "  39.15 3 .69 0.292 Std. dev. 0. 06 0.0 06 0.002 Std. dev. 0. 16 0.01 0.005 CV ... 2 .68 0.04 100 150 2 .62 –2 .69 2 .66 0.03 300 50 2 .60 –2 .68 2 .64 0.03 Glencoe 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...

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... 100 16, U.S.A. tel: 21 2 -6 9 6- 9 000; fax: 21 2 -6 8 5-4 540 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 ... Hemisphere Distribution Marcel Dekker AG, Hutgasse 4, Postfach 812, CH-4001 Basel, Switzerland tel: 4 1 -6 1-2 6 0 -6 300; fax: 4 1 -6 1-2 6 0...

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... 512 Â512 and 40 96 Â40 96. 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 operating co...

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... 1 Cyanide solid-state 8 Â10 6 to 10 À2 Sodium glass 10 6 to 1 Fluoride solid-state crystal 10 6 to 1 Thiocyanate solid-state 5 Â10 6 to 1 Source: Data from Thermo-Orion (2001) and from Metrohm ... 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 mgL À1 U CSV...

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... 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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... 200 200 3000 0.7 6. 3 30.7 6. 8 Cu 100 160 1040 0.2 13.9 2.0 7.0 Ga 100 80 22.1 8.1 11.1 8.7 2.8 Nb 200 160 29.4 1.0 2 .6 10.1 1.5 Ni 100 160 2390 0.3 7.7 6. 8 8.0 Pb 200 100 148 0 .6 4.5 35.2 4.3 Rb ... 200 65 5 0.4 3.9 25 .6 2.3 Y 100 120 85 0.7 2.0 16. 5 2.0 Zn 100 160 1 960 0.3 12.0 3.7 5.8 Zr 100 160 194 0.2 7.2 3.0 2.2 a Samples were prepared as compressed powder pellets and ex...

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... 4,4 0 (5 0 )-bis-t-butyl- cyclohexano-18-crown -6 , a highly selective complexant for Sr 2þ , immobilized on an inert support. The column is washed with 12 column volumes of 8 M HNO 3 , which removes Ca and ... long-lived isotopes (Landrum et al., 1 969 ; Efurd et al., 19 86; Taylor et al., 1998; Goodall and Lythgoe, 1999). In terms of ultimate sensitivity, counting techniques are usual...

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... 0.002 067 1 0.2 062 8 13 C/ 12 C Vienna PeeDee Belemnite (V-PDB) 0.0112372 1.11123 15 N/ 14 N Atmospheric N 2 0.00 367 65 0. 366 3 34 S/ 32 S Canyon Diablo Troilite 0.0450045 4.3 066 3 3 86 Scrimgeour and ... R standard A D/H Vienna Standard mean Ocean Water (V-SMOW) 0.000155 76 0.01557 18 O/ 16 O Vienna Standard mean Ocean Water (V-SMOW) 0.00200520 0.20012 18 O/ 16 O Vienna PeeDee Be...

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... 94: 16, 405– 16, 4 16. Scott, A., I. Crichton, and B.C. Ball. 1999. Long-term monitoring of soil gas fluxes with closed chambers using automated and manual systems. J. Environ. Qual. 28: 163 7– 164 3. Silvola, ... carbon and nutrient release and retention in beech forest gaps, 3. Environmental regulation of soil respiration and nitrous oxide emissions along a microclimatic gra...

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... 99: 165 75– 165 83. Gosz, J.R., C.N. Dahm, and P.G. Risser. 1988. Long-path FTIR measurement of atmospheric trace gas concentrations. Ecology 69 :13 26 1330. Grelle, A. and A. Lindroth. 19 96. Eddy-correlation ... method. Atmos. Environ. 32:3 265 –3274. Moncrieff, J.B., Y. Malhi, and R.L. Leuning. 19 96. The propagation of errors in long-term measurements of land-atmosphere fluxes of car...

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