Environmental Soil Chemistry - Chapter 0 pdf

... Control Number: 200 2 104 258 International Standard Book Number: 0- 1 2-6 5644 6-9 PRINTED IN THE UNITED STATES OF AMERICA 02 03 04 05 06 07 CTP 9 8 7 6 5 4 3 2 1 Environmental Soil Chemistry Second ... students in soil science and for students and professionals in environmental chemistry and engineering, marine studies, and geochemistry. Writing the second edition of...

Ngày tải lên: 13/08/2014, 02:20

... with permission. 0. 4 0. 3 0. 2 0. 1 0 0 204 0 608 0 Ca(OH) 2 , cmol kg -1 Conductivity, dS m -1 a) O μmol Al g -1 b) 124 μmol Al g -1 c) 519 μmol Al g -1 a) b) c) 278 9 The Chemistry of Soil Acidity and ... Chemical Society. 10 9 8 7 6 5 4 0 204 0 608 0 100 1 20 pH NaOH, cmol kg -1 Al-Utah Bentonite H-Utah Bentonite H-Al-Utah Bentonite The form of mon...

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... 50 70 2 50 4 2 Fluorine — 20 106 0 20 2 700 10 7 600 — — 0 1 200 10 8 80 3 60 8 70 800 1 300 2 20 1 80 Iron 94 ,00 0 86, 500 14 ,00 0– 47, 200 20, 000 65 ,00 0 3 800 9 800 30, 000 Lead — 2–18 6– 30 16–1 50 7–1 50 — — <1–31 1 ... <1–31 1 6 18 20 30 80 9 12 Mercury 0. 004 0. 5 0. 002 0. 5 0. 005 0. 4 0. 005 0. 51 0. 03–2.8 0. 02–2 .0 0 .01 0. 22 0. 001 0. 3 0. 1...

Ngày tải lên: 13/08/2014, 02:20

... 25 ,00 0 600 –3 70, 000 20, 000 7 ,00 0– 500 ,00 0 4 80 29, 400 Ca 24 ,00 0 100 –3 20, 000 15 ,00 0 700 – 500 ,00 0 41 ,00 0 66 ,00 0 Cd — — 0. 35 0. 01–2 0. 11 0. 17 Cl — — 100 8–1, 800 1 30 1 90 Co 9.1 <3– 70 8 0. 05–65 20 14 Cr ... 1–2 ,00 0 70 5–1, 500 100 72 Cs — — 4 0. 3– 20 3 4.2 Cu 25 <1– 700 30 2–2 50 50 33 F 4 30 < 10 3, 700 200 20 700 9 50 6 40 Fe 26 ,0...

Ngày tải lên: 13/08/2014, 02:20

... Carbonyls Humins 5 10 ± 20 200 ± 20 3 10 ± 20 3 60 ± 30 2 60 ± 20 Humic acids 7 20 ± 40 3 10 ± 20 4 20 ± 30 1 30 ± 30 1 30 ± 10 Fulvic acids 8 60 ± 40 400 ± 20 4 60 ± 20 80 ± 20 4 30 ± 10 a From Zelazny and ... 0. 3 Sulfur-containing Methionine 0. 5 1 .0 0.8 0. 4 0. 3 0. 7 0. 3 Cystine 0. 3 0. 1 0. 2 0. 1 0. 2 0. 1 0. 1 Cysteic acid 0. 4 0. 5 0. 6...

Ngày tải lên: 13/08/2014, 02:20

... a i (nm) b 0. 001 0. 005 0. 01 0. 05 0. 1 Inorganic ions of charge 1 + H + 0. 90 0.967 0. 933 0. 914 0. 8 60 0.8 30 Li + 0. 60 0.965 0. 929 0. 907 0. 835 0. 800 Na + 0. 45 0. 964 0. 928 0. 902 0. 8 20 0.775 HCO 3 – , ... H CO 3 0. 50 b 3.26 0. 38 0. 06 0. 44 0. 06 0. 24 95 .05 SO 4 76 .07 18.71 2.43 0. 36 2. 40 — 0. 04 — Cl 98. 80 0. 80 0. 10 0 .04 0. 2...

Ngày tải lên: 13/08/2014, 02:20

... 5.4. -1 .0 -0 .8 -0 .6 -0 .4 -0 .2 0 0 -5 0 -1 00 -1 50 -2 00 -2 50 -1 .0 -0 .8 -0 .6 -0 .4 -0 .2 0 0 -5 0 -1 00 -1 50 -2 00 -2 50 NET SURFACE CHARGE, cmol cm -2 x 10 -7 1M 0. 01M 0. 1M 0. 001 M GOUY-CHAPMAN GOUY-CHAPMAN GOUY-CHAPMAN GOUY-CHAPMAN STERN STERN STERN STERN ACROHUMOX ... surface 3.5 3 .0 2...

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... 0 3.32× 10 –3 0 1.68× 10 –2 0 1 .00 0 — 5.11 d 0 21× 10 –3 2.99× 10 –3 2.95× 10 –3 1.12× 10 –2 0. 208 6 0. 7914 134. 20 4. 90 0.116 3 2.5× 10 –3 2. 50 10 –3 7.88× 10 –3 1 .07 × 10 –2 0. 4232 0. 5768 101 .36 4.62 0. 268 4 ... 8.5× 10 –3 4.99× 10 –4 1.17× 10 –2 1.34× 10 –3 0. 8971 0. 102 9 44 .07 3.79 0. 813 7 9 .0 10 –3 3.29× 10 –4 1.43× 10 –2 1 .03 × 10 –3...

Ngày tải lên: 13/08/2014, 02:20

... surface-adsorbed Kinetics of Important Soil Chemical Processes 241 222 7 Kinetics of Soil Chemical Processes 0. 12 0. 10 0 .08 As/Fe Molar Ratio Precipitate (μM) % As Adsorbed 0. 06 0. 04 0. 02 0 60 50 40 30 20 10 0 0 ... to soils, can be expressed as (q t /q ∞ ) = 4 Dt 1/2 /r 2 – Dt/r 2 , (7.13) π 1/2 In t, h (C 0 - C), μmol dm -3 Porirua Soil Okaihau Soil...

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... Organic Pollutants 259 5 .0 4 .0 3 .0 2 .0 1 .0 10 20 30 40 301 K 296K 323K 275K [soil] = 12.5g L -1 [Cr (III)] 0 = 192μmol L -1 pH = 5.5 Time, min Cr (VI) Formed, μmol L -1 FIGURE 8.5. Effect of temperature ... Chemistry of Soils 25 20 15 10 5 0 -5 4567 8 pe pH Mn 3+ ,Mn 4+ Mn 2+ N 2 O ( 4 .0 x 1 0 -7 M P a ) N 2 (0. 8 atm.) O 2 ( 10 - 6 M...

Ngày tải lên: 13/08/2014, 02:20