... certain amount of a compound of interest ADSORPTION OF ORGANIC COMPOUNDS 13.7 from a mixture of adsorbable compounds is greater than if adsorption occurs without competition, because part of the adsorbent’s ... ADSORPTION OF ORGANIC COMPOUNDS 13.17 FIGURE 13.12 Effect of biodegradation and the presence of nonadsorbable compounds on the shapes of breakthrough curves steam and CO2 at temperatures of 800 to ... presence of nonadsorbable compounds, the biodegradation of compounds in a biologically active column, slow adsorption of a fraction of the molecules present, and the critical depth of the column...
Ngày tải lên: 14/02/2014, 03:20
... chemical and physical properties of another class of compounds A Halogen Derivatives of Hydrocarbons Functional Group: - X (F, Cl, Br, I) General Formula: R-X Naming of Halides Halogens attached ... the parent chain Name the compound in order of: number of carbon atom-alkyl group attached(number of carbon atom-alkyl group attached- etc ) name of parent compound If there are several different ... alkanes are straight chained compounds, as shown in the previous table, they can have side chains or branches These variations of compounds which have the same number of carbon and hydrogen atoms,...
Ngày tải lên: 14/02/2014, 08:20
DETERMINATION OF ORGANIC COMPOUNDS IN DRINKING WATER BY LIQUID-SOLID EXTRACTION AND CAPILLARY COLUMN GAS CHROMATOGRAPHY/MASS SPECTROMETRY pdf
... for determination of organic compounds in finished drinking water, source water, or drinking water in any treatment stage The method is applicable to a wide range of organic compounds that are ... next most important part of the performance test The correct setting of the baseline threshold, as indicated by the presence of low intensity ions, is the next most important part of the performance ... leach organic compounds into the eluting solvent One liter of water should pass through the cartridge in about two hours with the assistance of a slight vacuum of about 13 cm (5 in.) of mercury...
Ngày tải lên: 22/03/2014, 14:20
PREDICTION OF CHEMICAL REACTIVITY PARAMETERS AND PHYSICAL PROPERTIES OF ORGANIC COMPOUNDS FROM MOLECULAR STRUCTURE USING SPARC pptx
... properties to Program Offices (e.g., Office of Water, Office of Solid Waste and Emergency Response, Office of Prevention, Pesticides and Toxic Substances) and Regional Offices Also, SPARC has been used ... estimate of the physicochemical parameters of organic compounds for physical and chemical fate process models when measured data are not available, guidelines for ranking a large number of chemical ... interactions of the P with the two states δrespKa describes the change in the delocalization of π electrons of the two states due to P This delocalization of π electrons is assumed to be into or out of...
Ngày tải lên: 22/03/2014, 14:20
heats of hydrogenation experimental and computational hydrogen thermochemistry of organic compounds
... Experimental and Computational Hydrogen Thermochemistry of Organic Compounds Experimental and Computational Hydrogen Thermochemistry of Organic Compounds Long Island University, USA l i p World Scientific ... Hydrogenation of unsaturated hydrocarbons always gives off heat, hence the molar enthalpy change of hydrogenation Ahyd//298 is always negative Heats ofHydrogenation The molar enthalpy of formation A{H of ... first of a series of papers on the experimental determination of Ah H of 51 hydrocarbons containing from to 10 carbon atoms They pointed out that, while experimental measurement of the energy of...
Ngày tải lên: 01/04/2014, 10:53
electrolysis and electrosynthesis of organic compounds
... decomposition of i.e., hydrogen, oxygen, etc., organic are the compounds, result of primary decomposition of the organic electrolyte a systematic description would therefore be better of the results ... of our present knowl- edge of organic and electrolysis electrosynthesis During these last two years in particular a series of important researches which systematically invade this new field of ... ELECTROLYSIS AND ELECTROSYNTHESIS OF ALIPHATIC COMPOUNDS i (a) Hydroxyl Compounds Propyl alcohol Ethyl alcohol Butyl Methyl alcohol alcohol (lodoform, Chloroform, Brornoform) [Aristol, 1-6 Nosophene.]...
Ngày tải lên: 02/04/2014, 16:00
electrochemistry of organic compounds 1903 - lob & lorenz
... Concerning the Binding of Nitrogen to Organic Substances 279 Behavior of Vapors towards Tesia-currents 288 L I S T OF AUTHORS INDEX , 293 297 ELECTROCHEMISTRY OF ORGANIC COMPOUNDS INTRODUCTION ... disposition of each of the three resulting chapters * ELECTROCHEMISTRY OF ORGANIC COMPOUNDS- It may be remarked, particularly in regard to the description of the methods, that only the necessary and important ... union of several anions occurs or, far oftener, more complicated transpositions and decompositions accompany these reactions ELECTROCHEMISTRY OF ORGANIC COMPOUNDS An example of the first kind of...
Ngày tải lên: 16/04/2014, 11:20
Estimation of emissions of nonmethane organic compounds from a closed landfill site using a landfill gas emission model
... potential (m3/mg of waste), Mi = the mass of solid waste in the ith section of the landfill (mg), ti = the age of the ith section of the section of the landfill (years), t = the age of the landfill ... Journal of Energy and Environment (IJEE), Volume 4, Issue 1, 2013, pp.85-92 Figure Graph of frequency against range of values of age of landfill (t) Figure represents range of values of the total ... 0.0496, and 0.223 respectively Figure Graph of the frequency against the range of values of CNMOC Figure Graph of frequency against range of values of average annual acceptance rate ® ISSN 2076-2895...
Ngày tải lên: 05/09/2013, 16:11
Tài liệu Glossary of Volatile Organic Compounds ppt
... Two natural sources of benzene are volcanoes and forest fires Benzene is a natural part of crude oil, gasoline, and cigarette smoke Benzene is one of the major components of JP-8 fuel Industry ... moderate levels of trichloroethylene can get enlarged livers, and high levels of exposure can cause liver and kidney damage Studies of people exposed over long periods to high levels of trichloroethylene ... oil, gas, and coal, and from discharges of ethylbenzene from factories Ethylbenzene gets into the soil by spills of gasoline or other fuels and poor disposal of industrial and household wastes People...
Ngày tải lên: 14/02/2014, 03:20
ANALYSIS OF NAMES OF ORGANIC CHEMICAL COMPOUNDS BY USING PARSER COMBINATORS AND THE GENERATIVE LEXICON THEORY doc
... 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 ... analysis of names of organic chemical compounds and in the generation of their chemical structure pictures OCLAS is able to analyse correct names as well as incorrect or 91 International Journal of ... to Organic Chemistry 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...
Ngày tải lên: 05/03/2014, 20:20
DETERMINATION OF VOLATILE ORGANIC COMPOUNDS (VOC) IN CONSUMER PRODUCTS AND REACTIVE ORGANIC COMPOUNDS IN AEROSOL COATING PRODUCTS doc
... fraction of non-exempted volatile organic compounds in the non-propellant portion n = number of non-exempted volatile organic compounds in the non-propellant portion WL = weight (gm) of the non-propellant ... DETERMINATION OF VOLATILE ORGANIC COMPOUNDS (VOC) IN CONSUMER PRODUCTS AND REACTIVE ORGANIC COMPOUNDS IN AEROSOL COATING PRODUCTS APPLICABILITY 1.1 This method (Method 310) applies to the determination of ... the determination of the composition or concentration of fragrance components in products 1.4 The term “Executive Officer” as used in this document means the Executive Officer of the Air Resources...
Ngày tải lên: 14/03/2014, 20:20
Source Identification of Volatile Organic Compounds in Houston, Texas pdf
... and si are the values of wind direction and wind speed of sample i The ranges of wind direction and wind speed are divided into a series of subranges having similar numbers of samples in each Then ... The principle of the PTR-MS is the reaction of organic species in ambient air with H3O+ ions, generated from the hollow cathode discharge of water vapor, to produce the protonated organic species ... overfitting of c13-benzene for the case of 10 sources Neither poor fit nor over fit is acceptable So the number of sources for this analysis was chosen to be During the experiments, FIGURE Profiles of...
Ngày tải lên: 22/03/2014, 14:20
Chemical evolution of volatile organic compounds in the outflow of the Mexico City Metropolitan area potx
... 2370 E C Apel et al.: Chemical evolution of volatile organic compounds Fig 14 Results of a MM model run to test of the sensitivity of the model to specific compounds The model was initialized with ... tropospheric chemistry of organic compounds: a review, Atmos Environ., 24A, 1–41, 1990 Atkinson, R., Kinetics and mechanisms of the gas phase reactions of the hydroxyl radical with organic compounds, J ... evolution of volatile organic compounds Fig The top 20 compounds measured at T0 (top panel) and T1 (lower panel) in terms of mixing ratios between 09:00 and 18:00 local time averaged over the month of...
Ngày tải lên: 28/03/2014, 20:20
Occurrence and fate of semivolatile organic compounds (SVOCs) in the tropical atmosphere
... aqueous free energy of solvation of compounds Gravitational settling velocity Standard deviation of wind speed Kinematic viscosity Kinematic viscosity of solution xv List of Abbreviations ACE ... respectively Due to the importance of the organic phase / air partition coefficient in the estimation of organic matter (OM) / air partition coefficients of hydrophobic compounds, the octanol / air ... overview of the distribution processes of SVOCs between some major environmental phases Figure 2.1 Structure of selected PAHs 13 Figure 2.2 Structure of selected OCPs 16 Figure 2.3 Structure of selected...
Ngày tải lên: 11/09/2015, 10:15
Surface chemistry of organic carbonyl compounds and their derivatives on ni (111
... vast amount of studies of the CVD of Cu.26-38 Two of the most useful families of Cu CVD precursors that have been identified are the Cu(II) beta-diketonates and Lewis base adducts of Cu(I) beta-diketonates.21,25 ... SURFACE CHEMISTRY OF ORGANIC CARBONYL COMPOUNDS AND THEIR DERIVATIVES ON Ni(111) LI TINGCHENG (B.Sc WUHAN UNIVERSITY) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMISTRY ... number of important reactions For example, it is used in the industrial hydrogenation of liquid or gaseous organic compounds, 59 and in the FischerTropsch synthesis for the production of hydrocarbon...
Ngày tải lên: 17/09/2015, 17:19
Occurrence of Polyhydroxyalkanoate as Temporal Carbon Storage Material in Activated Sludge during The Removal of Organic Pollutants
... activated sludge reactor was lyophilized After the addition of 2mL of chloroform and acidified methanol (10% sulfuric acid with around 100mg/L of benzoic acid), the content in the tube was mixed well, ... rate of 30mL/minute Sodium 3-hydroxybutyrate (Tokyo Chemical Industry, Japan) was used as the standard for 3-hydroxybutyrate (3HB) unit in PHA The copolymer composed of 81% of 3HB and 19% of 3-hydroxyvalerate ... the measurement of dissolved organic carbon (DOC), activated-sludge-mixed liquor was filtrated with glass microfibre membrane GF/C (Whatman International Ltd Maidstone, England) Organic carbon...
Ngày tải lên: 05/09/2013, 09:38
Dictionary of food compounds additives, flavors, and ingredients yannai s 2004
... PRESENTATION are of six types The selection of compounds for DFC is broad Included Structural headings (WA) classify naturally occurring are all compounds or group of compounds of interest or food ... consists of a letter of the alphabet followed by a number, e.g., A-124 All index entries THE TYPE OF COMPOUND INDEX refer to the DFC number This is a most important feature of DFC Every compound of ... indication of crystal form and of recrystallisation solvent is often given but these are imprecise items of data; most compounds can be crystallised from several solvent systems and the crystal form often...
Ngày tải lên: 16/09/2013, 21:58
NEWPATHS FOR THE INTRODUCTION OF ORGANIC ESTER MOIETIES
... increased rate of hydrolysis both of the anhydride and also of the ester moieties Table 5.13 Influence of the amount of TBAF trihydrate on the efficiency of the acetylation of sisal cellulose with acetic ... where it can be filtered off In the case of esterification of polysaccharides in DMSO in the presence of these reagents, oxidation of hydroxyl functions may occur due to a Moffatt-type reaction (Fig ... of Organic Ester Moieties DMSO can act as an oxidising reagent and shows decomposition to a variety of sulphur compounds This is illustrated in Fig 5.3 for a general DMSO-mediated oxidation of...
Ngày tải lên: 25/10/2013, 16:20
Tài liệu THE VOCABULARY AND CONCEPTS OF ORGANIC CHEMISTRY pptx
... scholarship He had an enormous grasp of the literature of organic chemistry and his profound knowledge of foreign languages improved our literary grasp Professor Fred Kaplan also made invaluable ... approximately independent of the nature of the groups in the rest of the molecule The resultant of the vectorial addition of all bond moments yields the overall dipole moment of the molecule c02.qxd ... PREFACE It has been almost a quarter of a century since the first edition of our book The Vocabulary of Organic Chemistry was published Like the vocabulary of every living language, old words...
Ngày tải lên: 13/12/2013, 16:15
Fundamentals of organic chemistry
... OMPOUNDS 1.1 AND C HEMICAL B ONDS INTRODUCTION Organic chemistry is the study of the compounds of carbon The compounds of carbon are the central substances of which all living things on this planet ... general chemistry to your beginning study of organic chemistry Once you have a firm understanding of structure, the puzzle of organic chemistry can become one of very manageable size and comprehensible ... that organic compounds were composed primarily of carbon, hydrogen, and oxygen Between 1811 and 1831, quantitative methods for determining the composition of ~2~ Solomons/SoloCh01 organic compounds...
Ngày tải lên: 15/01/2014, 12:45
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