... particularly effective in the analysis of organic pollutants. 24.7. ANALYSIS OF WATER SAMPLES The preceding sections of this chapter have covered the major kinds of analysis techniques that are ... LLC 24 CHEMICAL ANALYSIS OF WATER AND WASTEWATER __________________________ __________________________ 24.1. GENERAL ASPECTS OF ENVIRONMENTAL CHEMICAL ANALYSIS Scientists’ understanding of the ... know- ledge of the identities and quantities of pollutants and other chemical species in water, air, soil, and biological systems. Therefore, proven, state -of- the-art techniques of chemical analysis, ...
Ngày tải lên: 23/07/2013, 20:57
... quality control program. The minimum requirements of this program consist of an initial demonstration of laboratory capability and an ongoing analysis of spiked samples to evaluate and document data ... for the required analysis of a QC check standard will depend upon the number of parameters being simultaneously tested, the complexity of the sample matrix, and the performance of the laboratory. ... Pesticide Residue Analysis; Some Practical Aspects,” Journal of the Association of Official Analytical Chemists, 48, 1037 (1965). 11. Cole, T., Riggin, R., and Glaser, J. “Evaluation of Method Detection...
Ngày tải lên: 14/02/2014, 03:20
Tài liệu METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER doc
... quality control program. The minimum requirements of this program consist of an initial demonstration of laboratory capability and an ongoing analysis of spiked samples to evaluate and document data ... for the required analysis of a QC check standard will depend upon the number of parameters being simultaneously tested, the complexity of the sample matrix, and the performance of the laboratory. 8.4.1 ... dilution standard be prepared at a concentration of 15 µg/mL of each internal standard compound. The addition of 10 µL of this standard to 5.0 mL of sample or calibration standard would be equivalent...
Ngày tải lên: 14/02/2014, 03:20
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER pot
... 15-40% of Mass 95. 75 30-60% of Mass 95. 95 Base Peak, 100% Relative Abundance. 96 5-9% of Mass 95. 173 <2% of Mass 174. 174 >50% of Mass 95. 175 5-9% of Mass 174. 176 >95% but 101% of Mass ... for the required analysis of a QC check standard will depend upon the number of parameters being simultaneously tested, the complexity of the sample matrix, and the performance of the laboratory. ... the base of the water column. The purging device illustrated in Figure 1 meets these design criteria. solution of 5 mL of sample or standard is equivalent to a concentration of 30 µg/L of each...
Ngày tải lên: 05/03/2014, 21:20
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER: METHOD 604—PHENOLS docx
... for the required analysis of a QC check standard will depend upon the number of parameters being simultaneously tested, the complexity of the sample matrix, and the performance of the laboratory. 6. ... quality control program. The minimum requirements of this program consist of an initial demonstration of laboratory capability and an ongoing analysis of spiked samples to evaluate and document data ... example of the separations achieved by this column is shown in Figure 2. 12.9 Calibrate the system daily with a minimum of three aliquots of calibration standards, containing each of the phenols of...
Ngày tải lên: 05/03/2014, 21:20
CHEMICAL ANALYSIS OF ANTIBIOTIC RESIDUES IN FOOD pptx
... Natural Occurrence of CAP, 235 7.4.4 Analysis of CAP in Herbs and Grass (Feed) Using LC-MS, 236 7.4.5 Conclusions, 236 7.5 Nitrofurans, 236 7.5.1 Background, 236 7.5.2 Analysis of Nitrofurans, 236 7.5.3 ... Background, 227 7.2.2 Analysis, 229 7.2.3 Conclusions, 230 7.3 Ceftiofur and Desfuroylceftiofur, 230 7.3.1 Background, 230 7.3.2 Analysis Using Deconjugation, 231 7.3.3 Analysis of Individual Metabolites, ... area of environmental issues related to veterinary use of antimicrobials. For the bench analyst, it provides not only information on sources of methods of analysis but also an understanding of...
Ngày tải lên: 11/03/2014, 03:20
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER: METHOD 605—BENZIDINES pdf
... for the required analysis of a QC check standard will depend upon the number of parameters being simultaneously tested, the complexity of the sample matrix, and the performance of the laboratory. 8.4.1 ... identifications should be based upon measurements of actual retention time variations of standards over the course of a day. Three times the standard deviation of a retention time for a compound can be ... collection of a minimum of 250 mL of sample. Sample containers must be kept refrigerated at 4°C and protected from light during compositing. If the sampler uses a peristaltic pump, a minimum length of compressible...
Ngày tải lên: 14/03/2014, 20:20
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER: METHOD 611—HALOETHERS potx
... containing a concentration of C, in µg/L. Equation 2 where: A = Amount of material injected (ng). V = Volume of extract injected (µL). i V = Volume of total extract (µL). t V = Volume of water extracted ... for the required analysis of a QC check standard will depend upon the number of parameters being simultaneously tested, the complexity of the sample matrix, and the performance of the laboratory. 8.4.1 ... 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER METHOD 611—HALOETHERS 1. Scope and Application 1.1 This method covers the determination of certain haloethers....
Ngày tải lên: 14/03/2014, 20:20
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER: METHOD 607—NITROSAMINES docx
... quality control program. The minimum requirements of this program consist of an initial demonstration of laboratory capability and an ongoing analysis of spiked samples to evaluate and document data ... the method. When results of sample spikes References 1. Fine, D.H., Lieb, D., and Rufeh, R. “Principle of Operation of the Thermal Energy Analyzer for the Trace Analysis of Volatile and Non-Volatile ... for the required analysis of a QC check standard will depend upon the number of parameters being simultaneously tested, the complexity of the sample matrix, and the performance of the laboratory. 8.4.1...
Ngày tải lên: 22/03/2014, 14:20
METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER doc
... characteristic masses of each parameter of interest must maximize in the same or within one scan of each other. 14.1.2 The retention time must fall within ±30 seconds of the retention time of the authentic ... FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER METHOD 625—BASE/NEUTRALS AND ACIDS 1. Scope and Application 1.1 This method covers the determination of a number of organic ... elevated baselines in the total ion current profiles. All of these materials must be routinely demonstrated to be free from interferences under the conditions of the analysis by running laboratory reagent...
Ngày tải lên: 28/03/2014, 19:20
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER ppt
Ngày tải lên: 28/03/2014, 20:20
Designation: C 25 – 99 - Chemical Analysis of Limestone, Quicklime, and Hydrated Lime1 pptx
Ngày tải lên: 10/07/2014, 23:20
Designation: C 114 – 00 - Chemical Analysis of Hydraulic Cement1 pot
Ngày tải lên: 10/07/2014, 23:20
Designation: C 471M – 96 METRIC - Chemical Analysis of Gypsum and Gypsum Products [Metric]1 ppsx
Ngày tải lên: 10/07/2014, 23:20
Tài liệu Supply and stock of raw materials pptx
... Supply and stock of raw materials Issed by Date of release Version Page Hr. Bauer 00 5/5 Applicable documents Factory regulations Handling dangerous materials Filling raw material ... stock of raw materials Issed by Date of release Version Page Hr. Bauer 00 4/5 Check of delivery documents The delivery note transferred by the driver is compared with the specification of ... false storage Environment: Disposal quantity because of false storage PB-Nr: S05 Supply and stock of raw materials Issed by Date of release Version Page Hr. Bauer 00 2/5 flow/process...
Ngày tải lên: 25/01/2014, 00:20
ANALYSIS OF NAMES OF ORGANIC CHEMICAL COMPOUNDS BY USING PARSER COMBINATORS AND THE GENERATIVE LEXICON THEORY doc
... its objective of performing lexical, syntactic and semantic analysis of organic chemical compound names and, whenever this analysis succeeds, generating the pictures of their chemical structures, ... terminology. The abilities of analysing and correcting the ambiguities of the inadequate names and of using an optimized extension of Xymtec to represent the pictures of the chemical structures in ... automatic Organic Chemistry instructor specialized in the analysis of names of organic chemical compounds and in the generation of their chemical structure pictures. OCLAS is able to analyse correct...
Ngày tải lên: 05/03/2014, 20:20
Báo cáo khoa học: "A System for Semantic Analysis of Chemical Compound Names" pdf
... a crucial role in classifi- cation of chemical compounds. For example, hy- droxy, used as a prefix of a name, specifies the presence of an OH-group (consisting of an oxygen atom and a hydrogen atom). ... constraints of CSP-1 equal the constraints of CSP-2. 3 Conclusions and Future Work In this paper we presented the architecture of CLP(name2structure), a system for semantic and syntactic processing of chemical ... Processing University of Stuttgart Azenbergstr. 12 70174 Stuttgart, Germany engelken@eml-research.de Abstract Mapping and classification of chemical compound names are important aspects of the tasks of BioNLP....
Ngày tải lên: 08/03/2014, 01:20
Mechanics and Analysis of Composite Materials ppt
... (they are not monolithic and consist of thin fibrils). MECHANICS AND ANALYSIS OF COMPOSITE MATERIALS 30 Tzx- Merhanics and analysis of composite materials 7 ZY Fig. 2.1. A solid ... for analysis of composite materials. Chapter 3 is devoted to the basic structural element of a composite material - unidirectional composite ply. In addition to traditional description of ... special class of man-made materials utilizing natural potentials of material strength and structure. Chapter 4 contains a description of typical composite layers made of unidirec- tional,...
Ngày tải lên: 22/03/2014, 12:20
Use of Alternative Fuels in Cement Manufacture: Analysis of Fuel Characteristics and Feasibility for Use in the Chinese Cement Sector pdf
... contents of most of these materials, making it difficult to generalize their impacts on carbon emissions. However, most of these chemical and hazardous wastes embody a wide range of materials ... criteria of large availability of biomass and a substantial cement industry, Henan Province in south-central China, is worthy of consideration. Henan accounted for approximately 6% of China’s cement ... dependent on the proximity of cement plants to the residues. Figure III-1 shows the magnitude of cement production in each of the ten provinces with the highest value of unused biomass residue....
Ngày tải lên: 24/03/2014, 05:20
mass and heat transfer analysis of mass contactors and heat exchangers (cambridge series in chemical engineering)
Ngày tải lên: 02/04/2014, 15:52