Trace Environmental Quantitative Analysis: Principles, Techniques, and Applications - Chapter 5 (end) ppt

... PAHs. 20 mAU 20 mAU 255 nm 280 nm 360 nm 3 35 nm Absorbance ( 255 nm) Absorbance 0.0 5. 0 10.0 15. 0 1 1 2 3 4 5 6* 7 8 9 11 12 13 14* 15 16 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 10* Sample: 10 µL ... 40 mL of chlorine-disinfected drinking water is placed in a sealed HS vial and heated, and 0 .5 cc of the headspace is sampled and injected directly into a C-GC-ECD. The C-GC-EC...

Ngày tải lên: 11/08/2014, 21:21

... States of America on acid-free paper 10 987 654 321 International Standard Book Number-10: 0-8 24 7 -5 85 3-6 (Hardcover) International Standard Book Number-13: 97 8-0 -8 24 7 -5 85 3-0 (Hardcover) Library ... 0.007 0.00 05 Cis-1,2-dichlorethylene 0.07 0.00 05 Trans-1,2-dichloroethylene 0.1 0.00 05 Dichloromethane 0.0 05 0.00 05 1,2-Dichloropropane 0.0 05 0.00 05 Ethylbe...

Ngày tải lên: 11/08/2014, 21:21

... equation for SA. and the calculated data point from the best-fit line y . Figure 2 .5 quantitate both Pb and anionic surfactants in Chapter 5. Contemporary software for 48 Trace Environmental Quantitative ... from a minimum of 5 ppb to a maximum of 50 0 ppb each THM. The range for this calibration covers two orders of magnitude. Six standards that are prepared at 5, 25, 50 ,...

Ngày tải lên: 11/08/2014, 21:21

... both S-LSE and AS-LSE techniques. 21 Analyte Mean % Recovery (% RSD) S-LSE a AS-LSE b δ-BHC (lindane) 65. 6 (27.1) 104 (9.7) Endrin 81.0 (3.9) 112 (4.4) p,p'-DDT 73.6 (38 .5) 61.4 (6 .5) a Extracted ... vary in size. C-LLE can be performed using a lighter- than-water extractant or a heavier-than-water extractant. Typical lighter-than-water extractants include various lower-molecular-w...

Ngày tải lên: 11/08/2014, 21:21

... (cm/sec) Capillary, 0. 25 mm i.d. 0.1 25 0. 75 35. 6 Capillary, 0.32 mm i.d. 0.16 1 .5 30.7 Capillary, 0 .53 mm i.d. 0.2 65 5.0 38.0 Packed, 1/8 in. o.d. 3.1 75 25 1.3 Packed, 1/4 in. o.d. 6. 35 75 1.0 u F r C () .( ... know 358 Trace Environmental Quantitative Analysis, Second Edition FIGURE 4.8 Separation and detection of BTEX components using static headspace capillary GC...

Ngày tải lên: 11/08/2014, 21:21

... Navigation 454 16.2.3 Risk Map Generation 455 16.2.4 Local Path Planning 455 16.2 .5 Path Execution and Navigation on the DEM 456 16.2.6 Prototype Software for Closed-Loop Vehicle Navigation 458 16.2.7 ... Remote exe- cution of ImageVision via NetSolve. 152 5. 1 Framework architecture 158 5. 2 Combined approach 160 5. 3 (a) High Layer, (b) low Layer. 164 5. 4 Connections between l...

Ngày tải lên: 05/06/2014, 11:59

Ngày tải lên: 11/08/2014, 09:21

... observation, Geoderma, 45: 51 58 . Kung, J., 1990b. Preferential flow in a sandy vadose zone. 2. Mechanism and implications, Geoderma, 46 :59 –71. Jury, W. and K. Roth, 1990. Transfer Functions and Solute Movement ... include: •Finite-difference • Finite-element • Boundary-element • Particle tracking: method of characteristics (MOC), modified method of character- istics (MMOC), and r...

Ngày tải lên: 11/08/2014, 09:21

... USA Tel.: + 1-9 2 5- 6 9 2-7 340 Fax: 92 5- 6 7 5- 8 867 Email: aaron.lai@bankofamerica.com R. Wan InfoAtlas Inc. 1441 Franklin Street, Suite 204 Oakland , CA 94612, USA June 27, 2007 1:24 spi-b483 Advances in Quantitative ... Blvd. Chicago, IL 6060 4-2 287, USA Fax: 31 2-3 6 2-6 56 6 E-mail: jvu@depaul.edu June 27, 2007 1:24 spi-b483 Advances in Quantitative Analysis of Fin...

Ngày tải lên: 23/03/2014, 12:20

... 47 5. 1.6 Discussion 53 5. 1.6.1 Which Approach? 53 5. 1.6.2 Scope for Synthesis? 57 5. 1.6.3 Further Research Directions? 57 5. 1.6.4 Status within the Systematics Community? 58 5. 2 Summary and Conclusions ... Walsh CONTENTS Abstract 37 5. 1 Introduction 38 5. 1.1 The Need for Automated Species Recognition in Systematics 38 5. 1.2 Approaches 40 5. 1.3 Objectives 43 5. 1.4...

Ngày tải lên: 12/08/2014, 05:21