... materials Nitrosamine reference standards andstandard solutions should be handled and prepared in a ventilated glove box within aproperly ventilated room 5 Apparatus and Materials 5.1 Sampling equipment, ... hot water, and rinses with tapwater and distilled water The glassware should then be drained dry, andheated in a muffle furnace at 400°C for 15-30 minutes Solvent rinses withacetone and pesticide ... regarding the safehandling of the chemicals specified in this method A reference file of material datahandling sheets should also be made available to all personnel involved in the chemical analysis
Ngày tải lên: 22/03/2014, 14:20
... UNIVERSITY OF TECHNOLOGY DANG HUYNH GIAO Cu-BASED ORGANIC FRAMEWORKS AS CATALYSTS FOR C–C AND C–N COUPLING REACTIONS Major: Organic Chemical Technology Major code: 62527505 PhD THESIS ... Cu2(BDC)2(DABCO) and Cu2(BPDC)2(BPY) The second objective is to study their use as heterogeneous catalysts for the direct C–C and C–N coupling reactions to form proparylamines and quinoxalines ... Cu2(BPDC)2(BPY) and Cu(BDC) have many advantages for suitable catalytic applications To the best of our knowledge, the direct C–C and C–N coupling reactions for synthesizing proparylamines and quinoxalines
Ngày tải lên: 18/06/2015, 17:07
Applications of metal compounds and cholesteric liquid crystals for chemical sensing
... chemicals for health and environment and it is important to detect and monitor VOCs. Because of its importance, chemical sensing of VOCs has attracted much attention and ... Persaud and Dodd and the array was called electronic nose (Persaud and Dodd, 1982). Since then, almost all types of chemical sensors from electrochemical sensors, mass sensors, and optical sensors have been developed as arrays with multiple sensing ... applications, it is important to detect and monitor of the chemicals and biochemicals inside the microfluidic devices. In order to perform the detection and monitoring of chemicals in microfluidic
Ngày tải lên: 10/09/2015, 15:51
Surface and interfacial reactions involving inorganic and organic semiconductor substrates
... 1SURFACE AND INTERFACIAL REACTIONS INVOLVING INORGANIC AND ORGANIC SEMICONDUCTOR SUBSTRATES CAI QINJIA NATIONAL UNIVERSITY OF SINGAPORE 2006 Trang 2SURFACE AND INTERFACIAL REACTIONS INVOLVING INORGANIC ... semiconductor industry and are strong candidates for fundamental research In this thesis, a series of surface and interfacial interactions and reactions involving inorganic and organic semiconductors ... Some important inorganic and organic semiconductors Group IV Si and Ge Group III-V GaAs, GaP, GaN, AlAs, AlP, InP, InAs, poly(1,4-Some important inorganic semiconductors, and organic semiconductors
Ngày tải lên: 14/09/2015, 18:14
Redox reactions and charge transport through polyaniline membranes
... electrons and ions 101 ASCORBIC ACID, OTHER REDOX ACTIVE ORGANIC AND INORGANIC SPECIES Trang 76.3.2 Electron/ion coupled transport through PANI-CSA membrane 122 6.3.3 Transmembrane potential and redox ... Trang 1REDOX REACTIONS AND CHARGE TRANSPORT THROUGH POLYANILINE MEMBRANES WANG ZHENG NATIONAL UNIVERSITY OF SINGAPORE 2006 Trang 2REDOX REACTIONS AND CHARGE TRANSPORT THROUGH ... FTIR, XPS, DSC, TGA and FESEM The redox reactions of CSA doped polyaniline (PANI) films in aqueous solutions of FeCl3 and K3Fe(CN)6 were investigated Comparison of the standard redox potential of
Ngày tải lên: 15/09/2015, 17:10
Surface chemistry of organic carbonyl compounds and their derivatives on ni (111
... Structures of the adsorbed hfacH and tfacH species 127Scheme 7.1 Structures of ground state DMP and DME and the intermediates generated from the adsorption and reactions of DMP and DME on Ni(111) 162 Table ... such ligand decomposition leads to impurity incorporation into the growing films and thus suggest means of minimizing such reactions 1.3 Surface Chemistry and Chemical Vapor Etching Chemical ... adsorption and reactions of several groups of carbonyl compounds and their derivatives, including aldehydes, ketones, carboxylic acids, β-diketones, ketals and acetals, on clean and O-modified
Ngày tải lên: 17/09/2015, 17:19
An overview of the bacteria and archaea involved in removal of inorganic and organic sulfur compounds from coal
... Sulfobacillus and not classified content (mol%l Sulfohacillus thermosulfidooxidans [14] Fe 2+, S °, sulfide minerals and organic 47.2 compounds Fe 2+, S °, sulfide minerals and organic 45.5 compounds ... physiological, biochemical and genetic variability Some of them are important for removal of inorganic sulfur compounds from coals Some types of coals and oils contain aromatic heterocyclic compounds ... inorganic and organic substrates and temperature characteristics of growth (Table 1) Their impor- tant feature, however, is the ability to oxidize Fe 2 +, S o and sulfide minerals and grow /
Ngày tải lên: 21/12/2016, 10:34
Cu based organic frameworks as catalysts for c c and c n coupling reactions
... Cu2(BPDC)2(BPY), Cu(BDC) AND C-C, C-N COUPLING REACTIONS 3 1.1 Introduction to metal-organic frameworks 3 1.2 Cu3(BTC)2, Cu(BDC), Cu2(BDC)2(DABCO) and Cu2(BPDC)2(BPY) 8 1.2.1 Structures and properties ... Cu(BDC), Cu2(BDC)2(DABCO) and Cu2(BPDC)2(BPY) 21 1.3 CC cross coupling reactions 26 1.4 CN cross coupling reactions 33 1.5 Aims and objectives 36 CHAPTER 2 SYNTHESIS AND CHARACTERIZATION OF ... C–C and C–N coupling reactions for Trang 143 CHAPTER 1 LITERATURE REVIEW: Cu3(BTC)2, Cu2(BDC)2(DABCO), Cu2(BPDC)2(BPY), Cu(BDC) AND C-C, C-N COUPLING REACTIONS 1.1 Introduction to metal-organic
Ngày tải lên: 10/01/2017, 16:33
Cu based organic frameworks an catalysts for c c and c n coupling reactions
... CITY UNIVERSITY OF TECHNOLOGY DANG HUYNH GIAO Cu-BASED ORGANIC FRAMEWORKS AS CATALYSTS FOR C–C AND C–N COUPLING REACTIONS Major: Organic Chemical Technology Major code: 62527505 Independent examiner ... Cu2(BPDC)2(BPY), Cu(BDC) AND CC, CN COUPLING REACTIONS 3 1.1 Introduction to metal-organic frameworks 3 1.2 Cu3(BTC)2, Cu(BDC), Cu2(BDC)2(DABCO) and Cu2(BPDC)2(BPY) 8 1.2.1 Structures and properties ... Cu(BDC), Cu2(BDC)2(DABCO) and Cu2(BPDC)2(BPY) 21 1.3 CC cross coupling reactions 26 1.4 CN cross coupling reactions 33 1.5 Aims and objectives 36 CHAPTER 2 SYNTHESIS AND CHARACTERIZATION OF
Ngày tải lên: 27/01/2021, 09:42
Cu based organic frameworks an catalysts for c c and c n coupling reactions
... CITY UNIVERSITY OF TECHNOLOGY DANG HUYNH GIAO Cu-BASED ORGANIC FRAMEWORKS AS CATALYSTS FOR C–C AND C–N COUPLING REACTIONS Major: Organic Chemical Technology Major code: 62527505 Independent examiner ... Cu2(BPDC)2(BPY), Cu(BDC) AND CC, CN COUPLING REACTIONS 3 1.1 Introduction to metal-organic frameworks 3 1.2 Cu3(BTC)2, Cu(BDC), Cu2(BDC)2(DABCO) and Cu2(BPDC)2(BPY) 8 1.2.1 Structures and properties ... Cu(BDC), Cu2(BDC)2(DABCO) and Cu2(BPDC)2(BPY) 21 1.3 CC cross coupling reactions 26 1.4 CN cross coupling reactions 33 1.5 Aims and objectives 36 CHAPTER 2 SYNTHESIS AND CHARACTERIZATION OF
Ngày tải lên: 27/04/2021, 14:23
hygroscopic growth and critical supersaturations for mixed aerosol particles of inorganic and organic compounds of atmospheric relevance
... the DMA and the flow split 2 Experimental 2.1 Chemicals and sample preparation Based on chemical analyses of aerosol sampled in various types of air masses, a set of organic and inorganic compounds ... and Climate: Aerosols from Biomass Burning Perturb Global and Re-gional Climate, Andreae et al., 2004) we have studied the behaviour of mixed aerosol particles made of inorganic and organic compounds ... studies on water uptake of organic compounds (Kanakidou et al., 2005 and references therein) as well as of their ability to form cloud drops (e.g Raymond and Pandis, 2002 and 2003; Henning et al.,2005;
Ngày tải lên: 04/12/2022, 10:37
Luận án tiến sĩ Kỹ thuật hóa học: Cu-Based Organic Frameworks an Catalysts for C-C and C-N Coupling Reactions
... (BPY) and Cu(BDC) contain many open metal sites that enable reactivity of organic compounds in organic transformations However, to the best of our knowledge, the direct C–C and C–N coupling reactions ... cycle of reactions In spite of effectiveness, the intermediate formation of imine compounds from aldehydes and amines is mandatory in this protocol Therefore, the direct CC coupling reactions ... noting that Cu and Fe are cheaper and less toxic than Rh, Ru and Ir Li and co-workers therefore decided to investigate the effects of catalytic copper salts on the alkynylation reactions with
Ngày tải lên: 09/09/2024, 16:46
ANALYSIS OF NAMES OF ORGANIC CHEMICAL COMPOUNDS BY USING PARSER COMBINATORS AND THE GENERATIVE LEXICON THEORY doc
... syntactic and semantic parsers [5] [6] to analyse names of chemical compounds The system OCLAS proposed here receives an organic compound name, analyses it syntactically and semantically and, whenever ... theoretically possible chemical compounds, that is, they satisfy all the chemical constraints related to the organic compounds (such as bonds, kind of atoms which can appear in the compounds etc); • ... theoretically possible chemical compounds THEORETICAL BACKGROUND 2.1 Principles of Organic Chemistry The organic chemistry is the branch of chemistry that studies the carbon based chemical compounds Carbon...
Ngày tải lên: 05/03/2014, 20:20
BROMINATED AND CHLORINATED ORGANIC CHEMICAL COMPOUNDS USED AS FLAME RETARDANTS ppt
... strong androgen agonist (Larsson et al., 2006) TBECH was shown to bind to and activate the human androgen receptor in human liver cells Further, co-exposure to the androgen dihydrotestosterone and ... is listed under Proposition 65 as known to cause cancer and reproductive and developmental toxicity Potential to biomonitor: Physical and chemical properties1: Vapor pressure: 1.71 x 10-11 mg Hg ... moiety, with a number of chemicals listed under Proposition 65 The chemicals (and their Proposition 65 designation) are as follows: the flame retardant chlorendic acid (cancer) and organochlorine pesticides...
Ngày tải lên: 05/03/2014, 20:20
Liquid-Delivery Metal-Organic Chemical Vapour Deposition of Perovskites and Perovskite-Like Compounds pdf
... layer-then-island (Stranski-Krastanov) growth, an intermediate growth mode, where a layer grows below a critical thickness and subsequently 3D island growth occurs, and c) the island (Volmer-Weber) ... at a vicinal angle and annealed in oxygen [28] produce a periodic step -and- terrace pattern with mixed SrO and TiO2 termination layers on the substrate surface Chemical etching and following high ... well as the metal -organic precursors will be introduced 2.1 Vertical liquid-delivery metal -organic chemical vapour deposition technique 2.1.1 Principle of the method Metal -organic chemical vapour...
Ngày tải lên: 14/03/2014, 19:20
Tài liệu METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER ppt
... stock standards to a volumetric flask To each calibration standard, add a known constant amount of one or more internal standards, and dilute to volume with acetonitrile One of the standards ... benzo(a)pyrene, and dibenzo(a,h)-anthracene Primary standards of these toxic compounds should be prepared in a hood A NIOSH/MESA approved toxic gas respirator should be worn when the analyst handles high ... foil 6.7 Stock standard solutions (1.00 µg/µL)—Stock standard solutions can be prepared from pure standard materials or purchased as certified solutions 6.7.1 Prepare stock standard solutions...
Ngày tải lên: 14/02/2014, 03:20
Tài liệu METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER doc
... bottle Store at 4°C and protect from light 6.6.5 Prepare fresh standards daily 6.7 Secondary dilution standards—Using stock standard solutions, prepare secondary dilution standards in reagent ... regarding the safe handling of the chemicals specified in this method A reference file of material data handling sheets should also be made available to all personnel involved in the chemical analysis ... rinse with tap and distilled water, and dry at 105°C before use 5.1.2 5.2 Septum—Teflon-faced silicone (Pierce #12722 or equivalent) Detergent wash, rinse with tap and distilled water and dry at...
Ngày tải lên: 14/02/2014, 03:20
Tài liệu Metal Organic Chemical Vapor Deposition: Technology and Equipment docx
... in MOCVD for both major film constituents and dopants are various combinations of organometallic compounds and hydrides The III-V and II-VI compounds and alloys are usually grown using low molecular ... Zralloy and H2O and O2 are preferentially removed chemically with little or no chemical reaction with the main constituent and without adding additional impurities to the gas line Both resins and ... Technology and Equipment 201 24 CVD Metalorganics for Vapor Phase Epitaxy Product Guide and Literature Review, Rohm and Haas, 60 Willow Street, North Andover, MA 01845 25 Haigh, J., and O’Brien,...
Ngày tải lên: 14/02/2014, 03:20
HYDROGEN TRANSMISSION/STORAGE WITH METAL HYDRIDE-ORGANIC SLURRY AND ADVANCED CHEMICAL HYDRIDE/HYDROGEN FOR PEMFC VEHICLES ppt
... density of liquid hydrogen and it is at ambient pressure and temperature The slurry is easily pumped and can be reacted with water with mixing to produce hydrogen on demand The mobile generator ... opinions, findings, conclusions, and recommendations are those of the author and not necessarily represent the views of AQMD AQMD, its officers, employees, contractors, and subcontractors make no warranty, ... Transportation/Storage Program and the Vehicle Program The objective of the Transportation/Storage Program is to demonstrate the technical viability and economic attractiveness of chemical hydride slurry...
Ngày tải lên: 05/03/2014, 20:20
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER pot
... 51, and 86 101 103 96 61 and 98 63 65, 83, 85, 98, and 100 96 61 and 98 83 85 98 62, 64, and 100 97 99, 117, and 119 117 119 and 121 127 83, 85, and 129 112 63, 65, and 114 75 77 130 95, 97, and ... and 206 97 83, 85, 99, 132, and 134 75 77 106 63 and 65 173 171, 175, 250, 252, 254, and 256 168 83, 85, 131, 133, and 166 164 129, 131, and 166 92 91 112 114 106 91 146 148 and 113 146 148 and ... Drinking Waters and Industrial Waters for Purgeable Volatile Organic Compounds, ” Measurement of Organic Pollutants in Water and Wastewater, C.E Van Hall, editor, American Society for Testing and Materials,...
Ngày tải lên: 05/03/2014, 21:20