Trace Environmental Quantitative Analysis: Principles, Techniques, and Applications - Chapter 4 pptx

... Spectrometry 42 3 Principles of the quadrupole 42 5 Principles of the ion-trap 43 3 Tuning a quadrupole 43 6 Principles of Time-of-flight 44 5 Interpretation 44 7 Tandem strategies and techniques 44 9 High ... Chromatography 45 2 Mobile phase/stationary phase considerations 45 8 UV and fluorescence detectors 46 4 Principles of LC-MS interfaces 47 6 © 2006 by Taylor & Francis...

Ngày tải lên: 11/08/2014, 21:21

... using 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) 1 04 (9.7) Endrin 81.0 (3.9) 112 (4. 4) p,p'-DDT 73.6 (38.5) 61 .4 (6.5) a Extracted ... deter- minative step. 9 The analytes of interest are the class of chlorophenoxy acid herbicides (CPHs) and include 2 , 4- dichlorophenoxyacetic acid (2 , 4- D), 2 ,4, 5-trich...

Ngày tải lên: 11/08/2014, 21:21

... States of America on acid-free paper 10 9876 543 21 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 ... GC-MS TO-3 VOCs Cryogenic trap GC-MS TO-5 Aldehydes, ketones Impinger/DNPG HPLC-UV TO-7 N-nitroso-dimethylamine Thermosorb/N adsorbent GC-MS TO-8 Phenols and cresols Im...

Ngày tải lên: 11/08/2014, 21:21

... 0 100 200 300 40 0 500 (ppm) N, N-DM-2AE N, N-DM-2AE callb (ES) Peak area Q i y i e y i c ymxb i c i =+ © 2006 by Taylor & Francis Group, LLC 42 Trace Environmental Quantitative Analysis, ... 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...

Ngày tải lên: 11/08/2014, 21:21

... in this chapter, instructional laboratories must have, at a minimum, the following analytical instruments: GC-FID, GC-ECD, HPLC-UV, FlAA and GFAA, IC, and a UV-vis spectrophotometer (stand-alone). ... 40 -mL vial. A 2- L aliquot of the extract is injected into a C-GC-FID to determine BTEX. The C-GC-FID must be previously optimized to separate most BTEX compounds. In a separate experim...

Ngày tải lên: 11/08/2014, 21:21

... vs. routines 143 4. 4 Impact of halo thickness to data decomposition strategy. 144 4. 5 Data decomposition and distribution. 145 4. 6 Double buffering. 146 4. 7 Gantt chart: CPU Use 147 4. 8 SfS performance ... Parallelization Tools 139 4. 2.3 Program Analysis and Parallelization 141 4. 3 Parallel Radar Image Processing 143 4. 3.1 Data Decomposition and Halo Handling 144 4. 3.2...

Ngày tải lên: 05/06/2014, 11:59

Ngày tải lên: 11/08/2014, 09:21

Ngày tải lên: 11/08/2014, 09:21

Ngày tải lên: 11/08/2014, 09:21

Ngày tải lên: 11/08/2014, 09:21