synthesis of epoxy derivatives of polycyclic aromatic hydrocarbons

... characterization of coke plant soil for the assessment of polycyclic aromatic hydrocarbons availability and the feasibility of phytoremediation’, describes particle-scale characterization of contaminated ... 22Physicochemical Characterization of Coke Plant Soil for the Assessment of Polycyclic Aromatic Hydrocarbons Availability and the F easibility of gaseous with another portion of the PAHs associated with ... The heterogeneity of the site samples Trang 33 Table 2-1 Comparison: of total polycyclic aromatic hydrocarbons (PAH)-concentrations of various sieve and density fractions of soil from an unplanted

Ngày tải lên: 13/11/2014, 15:58

... evolution of polycyclic aromatic hydrocarbons (PAHs) in sludge from between PAHs and heavy metals, Chemosphere 64 (2006) 535-541 Matsuyama, A Charef, Distribution of 16 EPA-priority polycyclic aromatic ... Journal of Natural Sciences and Technology, Vol 30, No 1 (2014) 36-4236 Effect of Surfactant on Degradation of Polycyclic Aromatic Hydrocarbons (pahs) in Thermophilic Anaerobic Co-Digestion of Sludge ... Trang 136 Effect of Surfactant on Degradation of Polycyclic Aromatic Hydrocarbons (pahs) in Thermophilic Anaerobic Co-Digestion of Sludge from Kim-Ngưu River and Organic

Ngày tải lên: 19/02/2017, 18:54

... the levels of polycyclic aromatic hydrocarbon (PAHs) in different suites of fish Food and Chemical Toxicology, (58), 86–94 Manda P et al., (2012) Evaluation of polycyclic aromatic hydrocarbons ... Toxicology, 47(4), 819–826 Luzardo O P et al.,( 2013) Influence of the method of production of eggs on the daily intake of polycyclic aromatic hydrocarbons and organochlorine contaminants: An independent ... 1DETERMINATION OF POLYCYCLIC AROMATIC HYDROCARBONS IN BARBECUED PORK USING QUECHERS EXTRACTION AND GAS CHROMATOGRAPHY – MASS SPECTROMETRY Nguyen Van Phuc 1 1 Ho Chi Minh City University of Food

Ngày tải lên: 14/01/2020, 17:37

... (2010), "Gas–particle partitioning and seasonal variation of polycyclic aromatic hydrocarbons in the atmosphere of Zonguldak, Turkey", Science of The Total Environment, 408, 5550-5558 [16] Agency ... (1995), "Toxicological profile for polycyclic aromatic hydrocarbons", U.S Department of Health and Human Services, USA [17] Barbara J., Finlayson P., James N (2000), "Chemistry of the Upper and Lower ... (2011), "Gas–particle concentrations of atmospheric polycyclic aromatic hydrocarbons at an urban and a residential site in Osaka, Japan: Effect of the formation of atmospherically stable layer on

Ngày tải lên: 23/01/2021, 10:35

... Capabilities of Pure Culture of Bacteria in the Biodegradation of Polycyclic Aromatic Hydrocarbons and Total Petroleum Hydrocarbons in Oilfield Wastewater O Aleruchi* and O Obire Department of Microbiology, ... Px Ss Cc Duration of incubation (Days) Fig.3 GC profile showing the polycyclic aromatic hydrocarbon (PAH) on Day 1 Fig.4 GC profile showing the biodegradation of polycyclic aromatic hydrocarbon ... therefore investigated the capabilities of pure cultures of bacteria in the biodegradation of polycyclic aromatic hydrocarbons (PAHs) and total petroleum hydrocarbons (TPHs) in oilfield wastewater

Ngày tải lên: 28/06/2021, 09:36

... ĐỊNH CÁC HYDROCACBON THƠM ĐA VÒNG Animal and vegetable fats and oils - Determination of polycyclic aromatic hydrocarbons Lời nói đầu TCVN 9531:2012 hồn toàn tương đương với ISO 15753:2006 Sửa ... ĐỊNH CÁC HYDROCACBON THƠM ĐA VÒNG Animal and vegetable fats and oils - Determination of polycyclic aromatic hydrocarbons Phạm vi áp dụng Tiêu chuẩn quy định hai phương pháp xác định 15 hydrocacbon ... định nghĩa Trong tiêu chuẩn áp dụng thuật ngữ định nghĩa sau: 3.1 Hydrocacbon thơm đa vòng (polycyclic aromatic hydrocarbon) (PAH) Hợp chất có chứa hai nhiều hai vịng hydrocacbon thơm ngưng tụ

Ngày tải lên: 18/04/2022, 10:39

... Occurrence and Fate of Polycyclic Aromatic Hydrocarbons (PAHs) Wastewater Treatment Tai Lieu Chat Luong Trang 3Wastewater TreatmentOccurrence and Fate of Polycyclic Aromatic Hydrocarbons (PAHs) ... (2008, January) Polycyclic aromatic hydrocarbons EPA Fact Sheet U.S Environmental Protection Agency, Office of Solid Waste, Washington, DC JRC-IRMM (2010) Polycyclic aromatic hydrocarbons (PAHs) ... PAHs? Polycyclic aromatic hydrocarbons (PAHs) are a class of organic compounds that are made up of two or more fused aromatic rings PAHs are created primarily by incomplete combustion of organic

Ngày tải lên: 04/10/2023, 15:49

... Trang 1OPTIMIZATION OF ULTRASONIC EXTRACTION FOR DETERMINATION OF 16 POLYCYCLIC AROMATIC HYDROCARBONS IN AIR PARTICLE Hanh Thi Duong1, *, Ha Thu Trinh2, ... publication: 6 April 2018 Abstract The aim of this study is to develop a quick ultrasonic extraction procedure for determination of 16 typical polycyclic aromatic hydrocarbons (PAHs) in air particles ... for determination of PAHs in air particle Keywords: air particle, GCMS, PAH, extraction, analytical method Classification numbers: 3.2 1 INTRODUCTION Polycyclic aromatic hydrocarbons (PAHs)

Ngày tải lên: 03/03/2020, 21:05

... method was validated for the determination of 16 polycyclic aro-matic hydrocarbons (PAHs) from the FDA list of 93 harmful or potentially harmful constituents of mainstream cigarette smoke (MCS) Target ... comprising of vapour phase and particulate phase (total particulate matter, TPM) [1] MCS contains over 6500 compounds [2], more than 100 of which are established toxicants [3] Polycyclic aromatic hydrocarbons ... of the FDA HPHC list (GC–MS, GC–MS/MS and GC–HRMS) To our knowl-edge, this is the first study of measurement of all FDA specified PAHs in MCS for which the majority of data exceed the limit of

Ngày tải lên: 29/05/2020, 12:54

... Accumulation of Polychlorinated Biphenyls and Polycyclic Aromatic Hydrocarbons in the Snowpack of Minnesota and Lake Superior Thomas P Franz† and Steven J Eisenreich* Department of Environmental ... and ~870 kg accumulated in the snowcover of the basin The concentration of chemicals in runoff during snowmelt is influenced by the rate of thaw, runoff/terrestrial interactions, and additional ... Eisenreich, S.J 1990 Concentrations and fluxes of polycyclic aromatic hydrocarbons and polychlorinated biphenyls across the air-water interface of Lake Superior Environ Sci Technol 24: 342–352

Ngày tải lên: 18/10/2022, 16:06

... jsimal@uvigo.es (J Simal-Gándara). Abstract The kinetic bioconcentration of N-heterocyclic aromatic hydrocarbons and polycyclic aromatic hydrocarbons in mussels (Mytilus galloprovincialis) after short ... Decay of both PAHs concentrations in water after 24 h of waterborne exposure to mussels at levels of 10 and 100μg/L follows a first order kinetic with half-lives of 4–5 h, with residual levels of ... assessment of PAHs kinetic bioconcentration in mussels Keywords: Biological Sciences, Food Science 1 Introduction Azaarenes (N-heterocyclic aromatic hydrocarbons) are composed of an aromatic group

Ngày tải lên: 24/11/2022, 17:49

... loadedontothecartridgeswere18ngofbenzo[a]anthracene(BaA), 90ngofchrysene(Chr),40ngofbenzo[b]fluoranthene(BbF),6ng ofbenzo[k]fluoranthen(BkF),8ngofbenzo[j]fluoranthene(BjF), 100ngofbenzo[e]pyrene(BeP),25ngofbenzo[a]pyrene(BaP)and ... criteria of Polycyclic Aromatic Hydrocarbons in rubber and plastic components of articles placed on the market for supply to the general public in support of Regulation (EC) No 1907/2006 of the ... in, Official Journal of the European Union L396, 2006. Trang 10[9] BAuA, GS-Spezifikation AfPS GS 2014:01 PAK Testing and validation ofPolycyclic Aromatic Hydrocarbons (PAH) in the course of GS-Mark

Ngày tải lên: 31/12/2022, 09:50

... the levels of polycyclic aromatic hydrocarbon (PAHs) in different suites of fish Food and Chemical Toxicology, (58), 86–94 Manda P et al., (2012) Evaluation of polycyclic aromatic hydrocarbons ... Toxicology, 47(4), 819–826 Luzardo O P et al.,( 2013) Influence of the method of production of eggs on the daily intake of polycyclic aromatic hydrocarbons and organochlorine contaminants: An independent ... 1DETERMINATION OF POLYCYCLIC AROMATIC HYDROCARBONS IN BARBECUED PORK USING QUECHERS EXTRACTION AND GAS CHROMATOGRAPHY – MASS SPECTROMETRY Nguyen Van Phuc 1 1 Ho Chi Minh City University of Food

Ngày tải lên: 20/12/2019, 16:39

... Nguyen Van Phuc Determination of polycyclic aromatic hydrocarbons DETERMINATION OF POLYCYCLIC AROMATIC HYDROCARBONS IN BARBECUED PORK USING QUECHERS EXTRACTION AND ... with the level of BaP >2ng/g (European Union Regulations No 2011) including: fish fillets, 51 Nguyen Van Phuc Determination of polycyclic aromatic hydrocarbons salads, fried tofu, grilled meat, ... Figure Distribution of PAHs (concentration of 100ppb) in the spiked sample blank for SIM mode 55 Nguyen Van Phuc Determination of polycyclic aromatic hydrocarbons Table Retention time, monitored

Ngày tải lên: 02/03/2020, 16:02

... specially fabricated Plaster of Paris (POP) pellets was evaluated for the removal of a potentially toxic Polycyclic Aromatic Hydrocarbon (PAH) Pyrene (Pyr) The effect of initial Pyr concentration, ... same amount of both uncoated and coated pellets Modeling of column bed adsorption The successful design of a column adsorption process requires prediction of the concentration-time profile or ... the characteristics of adsorbate, type of adsorbent, and physical properties of the adsorption bed (Aksu and Gonen, 2004) The main aim of this model is to predict the time of column run before

Ngày tải lên: 15/05/2020, 12:57

... the levels of polycyclic aromatic hydrocarbon (PAHs) in different suites of fish Food and Chemical Toxicology, (58), 86–94 Manda P et al., (2012) Evaluation of polycyclic aromatic hydrocarbons ... Toxicology, 47(4), 819–826 Luzardo O P et al.,( 2013) Influence of the method of production of eggs on the daily intake of polycyclic aromatic hydrocarbons and organochlorine contaminants: An independent ... 1DETERMINATION OF POLYCYCLIC AROMATIC HYDROCARBONS IN BARBECUED PORK USING QUECHERS EXTRACTION AND GAS CHROMATOGRAPHY – MASS SPECTROMETRY Nguyen Van Phuc 1 1 Ho Chi Minh City University of Food

Ngày tải lên: 01/05/2021, 11:19

... EFFECTS OF SURFACTANT ON BIODEGRADATION OF MODEL POLYCYCLIC AROMATIC HYDROCARBONS LI JINGLIANG (M Eng TIANJIN UNIV) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMICAL ... of wt% Tergitol 15-S-5 101 5.4 Cloud point of Tergitol 15-S-7 as a function of surfactant concentration 102 5.5 Effect of Inorganic Salts on Cloud Point of wt%Tergitol 15-S-7 104 5.6 Effect of ... of interest There are many factors that can affect the partition of solutes Several authors have studied the effect of various experimental factors on the partition mainly of polar aromatic hydrocarbons...

Ngày tải lên: 16/09/2015, 17:11

... KH-41-01-373-EN-N Ambient air pollution by Polycyclic Aromatic Hydrocarbons (PAH) Position Paper ISBN 92-894-2057-X OFFICE FOR OFFICIAL PUBLICATIONS OF THE EUROPEAN COMMUNITIES L-2985 Luxembourg ... acknowledged Ambient Air Pollution by Polycyclic Aromatic Hydrocarbons (PAH) Position Paper July 27th 2001 Prepared by the Working Group On Polycyclic Aromatic Hydrocarbons PAH Position Paper July ... are often based on a limited number of samples The factors often exhibit a wide range of values - consequently their use can lead to widely differing estimates of emissions from the same type of...

Ngày tải lên: 17/02/2014, 11:20

... 1994 Polycyclic Aromatic Hydrocarbons in U.K Urban Air Environ Sci Technol 28: 2380-2386 MENICHINI E., MONFREDINI F & MERLI F 1999 The temporal variability of the profile of carcinogenic polycyclic ... 4-nitroacenapthylene 1-nitrofluorene 2-nitrofluorene 3-nitrofluorene 4-nitrofluorene two nitroisomers 1-nitroanthracene 2-nitroanthracene 2-nitrofluoranthene 7-nitrofluoranthene 8-nitrofluoranthene 2-nitropyrene ... SOURCES OF DATA INCLUDE FOR TABLE INCLUDE: RESPONSES TO QUESTIONNAIRES SENT OUT BY THE WORKING GROUP and BAEK et al., 1992 Concentrations of particulate and gaseous polycyclic aromatic hydrocarbons...

Ngày tải lên: 15/03/2014, 16:20

... 1.2 Theory of Microwave Synthesis 1.3 Equipments Used in Microwave Synthesis 1.4 Safety Precautions in Microwave Synthesis 1.5 Coupling of Microwave ... achieved regardless of the volume of the vessel Thus, in conventional heating methods for organic synthesis the heat is basically transferred by conductance and the extent of transfer of energy to the ... the kinetics of the reaction becomes easy when the control of the applied energy becomes more direct and precise 1.2 Theory of Microwave Synthesis There are two specific mechanisms of interaction...

Ngày tải lên: 29/05/2014, 17:31