Passive Sampling Techniques Episode 9 ppt

... Toluene TCE c PCE d Minimum mass (mg) b 0. 09 0.12 1.2 1.35 6 6.3 Assumed aqueous concentration Predicted required sampling times 0.1 (mgL À1 ) 330 d e 1.4 a f 9 a 11 a 61 a 73 a 1(mgL À1 ) 33 d 53 ... al. 288 Chapter 13 Passive diffusion samplers to monitor volatile organic compounds in ground- water Don A. Vroblesky 13.1 INTRODUCTION Diffusion samplers (DSs) have been used since at l...

Ngày tải lên: 12/08/2014, 16:21

Ngày tải lên: 12/08/2014, 16:21

... the early 199 0s [2], SPME has been applied successfully to the sampling and analysis of environmental, food, pharmaceutical, and forensic sam- ples [3]. More recently it has been used in passive sampling ... develop passive air sampling techniques for POPS? 35 2.3 What approaches can be used? . 38 2.4 The choice of sampler designs: features, advantages and potential problems . ....

Ngày tải lên: 12/08/2014, 16:21

... 286 9. 0 0.025 À1.16 1.00 88 0.180 À2 .96 0 .99 6 29 g-HCH 561 10.8 0.058 À3.76 1.00 104 0.4 39 À18.2 0 .99 783 HCB 63 8.2 0.007 À0.22 1.00 108 0.045 À0 .98 0 .99 7 19 PCB 28 70 8.0 0.023 À0.83 0 .99 321 ... 0.077 0.47 0 .98 5 19 g-HCH 2 69 5.6 0.100 À0.02 0 .96 372 0.137 2 .93 0 .99 511 HCB 282 12.1 0.025 À1.22 0 .96 88 0.107 À3.77 0 .99 3 79 PCB 28 1 09 5 .9 0.060 À0.73 0 .97 548 0...

Ngày tải lên: 12/08/2014, 16:21

... 3 Acetaminophen 98 (2.5) b o0.005 o0.005 o0.005 o0.005 o0.005 o0.005 o0.005 o0.005 Dextropropoxyphene 90 (2.3) 0.50 (6 .9) 0. 59 (22) 0.47 (26) 0.32 (15) 0.32 (3.3) 0.72 (10) 0.62 (12) 0. 89 (9. 3) Diclofenac 95 ... (20) 0.41 (26) 2.0 (9. 0) 0.82 ( 49) 1.8 (94 ) 2 .9 (6.4) 1 .9 (24) 0.61 (5.1) Erythromycin 130 (18) 0.15 c 0.15 c o0.005 c o0.005 c 0.033 c 0.10 c 0.064 c o0.005 c Ibuprof...

Ngày tải lên: 12/08/2014, 16:21

... Chapter 9 Monitoring of priority pollutants in water using Chemcatcher passive sampling devices Richard Greenwood, Graham A. Mills, Branislav ... estimate of the concen- tration of pollutants at the time and point of sampling. Amongst these alternative technologies are passive sampling devices that use a diffu- sion membrane to separate a receiving ... Vrana (Editors) Volume 48 ISS...

Ngày tải lên: 12/08/2014, 16:21

... 153 o1 22 9 0.062 0.002 PCB 180 o1 8 10 0.064 0.001 Acenaphthylene 4 45 124 11 0.107 2.16 Acenaphthene 10 10 1172 3 0.102 12.2 Fluorene 18 9 1128 4 0.100 9. 76 Anthracene 8 30 1 494 9 0. 094 7.03 Phenanthrene ... 7.03 Phenanthrene 62 30 3128 7 0. 094 15.4 Fluoranthene 13 30 3135 8 0.0 79 2.86 Pyrene 13 15 3302 8 0.076 2.16 Benzo[a]anthracene 2 76 1185 3 0.0 69 0.32 Chrysene 4 42 96...

Ngày tải lên: 12/08/2014, 16:21

... Chapter 15 Techniques for quantitatively evaluating aquatic passive sampling devices B. Scott Stephens and Jochen F. Mu¨ller 15.1 INTRODUCTION As the suite of available devices for passively sampling ... compounds. Most complicated and expensive to operate. [13,14,31–34] Techniques for quantitatively evaluating aquatic passive sampling devices 337 TABLE 14.2 Examples of field app...

Ngày tải lên: 12/08/2014, 16:21

... sites. [17] Portsmouth Harbour Empore TM 2 2 10 14 d [33] a Not counting replicates. Techniques for quantitatively evaluating aquatic passive sampling devices 345 TABLE 15.3 High-volume solid-phase extraction ... 100 [48] Lake Superior XAD-2 GF/F 29. 3 o600 75 g [37] Lake Michican XAD-2 0.7 29. 3 1000 (filter), 250 (column) 65 [45] Seawater XAD-2 and PUF GF/C, 0.5 14.2 100– 190 0 PUF: 5c...

Ngày tải lên: 12/08/2014, 16:21

... Morrison 9. 1 Introduction . . . 199 9. 2 Concept of Chemcatcher . . 199 9. 2.1 Receiving phases . . 200 9. 2.2 Diffusion membranes . . . 201 9. 2.3 Sampler body . . . . . 203 9. 3 Theory 206 9. 4 Calibration ... 213 9. 6.2 Short pollution event detector 215 9. 7 Sampling of metals . . 216 9. 8 Sampling of organometallic compounds. . . 217 9. 9 Field applications . . . 217 9....

Ngày tải lên: 28/03/2014, 18:20