determination of pollutants in foods

... the determination of acrylamide in foods Nowadays, the commonly used methods for acrylamide quantification include external standard and internal standard method For determination of acrylamide in ... column Although increasing the temperature of GC inlet could increase the intensity of 2,3-DBPA dehydrobromination on DB-5 column, but most of 2,3-DBPA was still stable Meanwhile, decreasing the temperature ... the value of the y-axis was equal to zero, was calculated as the amount of the analyte in unspiked portion of the sample In 1993, Castle reported the determination of acrylamide monomer in mushrooms

Ngày tải lên: 12/09/2021, 13:01

... height) 1% 1% 1% 1% 1% 1% 1% of of of of of of of λc λc λc λc λc λc λc 7.2.1 Transmission Cells, shall have windows of potassium bromide, zinc selenide, or other material having a significant transmission ... designation indicates the year of original adoption or, in the case of revision, the year of last revision A number in parentheses indicates the year of last reapproval A superscript epsilon (´) indicates ... Test Method for Determination of Benzene, Toluene, and Total Aromatics in Finished Gasolines by Gas Chromatography/Mass Spectrometry D5842 Practice for Sampling and Handling of Fuels for Volatility

Ngày tải lên: 04/01/2018, 15:07

... and 11.3 minute the intensity of solution increase when concentration of ammonia increase According to vary of solution intensity we get a typical calibration curve of signal at 7.7 minute figure ... thesis, in addition to the ongoing efforts of myself, I would like to thank for teachers in faculty of International Training and Development as well as teachers in Thai Nguyen University of Agriculture ... result of that experiment was present in figure 4.17 According the graph, we also get signals and at signal (10.43 minute and 13.15 minute) intensity of solution seem stable The intensity of blank

Ngày tải lên: 05/06/2018, 14:39

... 180 µg/mL * Determination of limit of determination and limit of quantification: The limit of detection and limit of quantification were estimated from signal to noise ratio Limit of detection ... Journal of military pharmaco-medicine no9-2019 DEVELOPMENT AND VALIDATION OF HIGH PERFORMANCE LIQUID CHROMATOGRAPHY METHOD FOR THE DETERMINATION OF NIFEDIPINE IN DRUG - EXCIPIENT COMPATIBILITY TESTING ... Journal of military pharmaco-medicine no9-2019 The correlation coefficient R2 = indicated that a linear correlation between the concentration of NIF and the peak area was obtained in the range of

Ngày tải lên: 14/01/2020, 21:45

... been studies for determination of LPZ in plasma in Vietnam up to now Hence, we have studied to determine LPZ in dog plasma corresponding with drug quality control requirements in fluids This research ... liquid chromatographic determination of LPZ and its metabolites in human serum and urine J Chromatogr 1991, 571, pp.283-290 Borner K et al Quantitative determination of LPZ in human serum by HPLC ... Assay of commercial product: The validated method was applied to the determination of LPZ in plasma sample obtained from experimental healthy beagle dog used a commercial capsule containing 30

Ngày tải lên: 23/01/2020, 10:46

... materials The electrodes are used for determination of LMT in urine and plasma There is also a report for LMT determination using molecularly imprinted polymers29 using methacrylic acid as the functional ... accurately dissolving calculated quantity of pure drug in 100 mL of 0.1M H2SO4 in a volumetric flask 2.4 PROCEDURE 2.4.1 Fabrication of the sensor A mixture of 20 mL of each of 0.01M solutions of LMT and ... development of potentiometric sensors is gaining more and more attention and a number of potentiometric sensors have been developed for the determination of species in the areas of chemical,

Ngày tải lên: 27/05/2020, 04:09

... and determination of the carbamazepine Several parameters affecting extraction efficiency including pH, type and volume of eluent, volume of sample solution, and amount of sorbent, number of draw/eject ... amino functionality on organic linker (as coordinating and hydrogen-bonding sites via amino group in addition to possibility of the non-covalent interactions between the organic aromatic linker ... Department of? ?Environmental Health Engineering, Faculty of? ?Health, Zabol University of? ?Medical Sciences, Zabol, Iran Department of? ?Chemistry, University of? ?Zabol, Zabol, Iran Full list of author information

Ngày tải lên: 29/05/2020, 13:11

... ADP determination as it resulted in a marked decrease in the fluorescence intensity of ADP in addition to high blank reading [13] Complete quenching of the fluorescence intensity was attained ... intrinsic stability of the drug and hence help in selecting the suitable pharmaceutical dosage forms, solving the problems which may be appeared during the stages of storage and packaging Main ... release In- vitro release profile of ADP from its gel in hydroethanolic solution (65 %) is shown in Fig. 7 It was found that increasing the time resulted in a subsequent increase in the % release up

Ngày tải lên: 29/05/2020, 14:19

... for the determination of nifedipine in canine plasma Anal Chim Acta 2006:298-304 Telting-Diaz M, et al High-performance liquid chromatographic determination of nifedipine, nicardipine and pindolol ... analysis of plasma nifedipine Journal of Chromatography 1989:123-130 Ozaltin N, et al Determination of nifedipine in human plasma by square wave adsorptive stripping voltammetry Journal of Pharmaceutical ... containing reference standard of NIF at an exact concentration of approximately 0.5 ng/mL and internal standard of glibenclamide (LLOQ sample) The concentration of NIF in LLOQ samples was determined

Ngày tải lên: 24/09/2020, 03:20

... MINISTRY OF EDUCATION AND TRAINING HA NOI UNIVERSITY OF SCIENCES AND TECHNOLOGY PHAN CHI NHAN PHAN CHI NHAN CHEMICAL ENGINEERING SYNTHESIS LAFEO3 FOR PHOTODEGRADATION OF POLLUTANTS ... "Optimization of electrochemical oxidation of dye wastewater using response surface methodology." Chinese Journal of Environmental Engineering 8(3): 990-996 Wang, Q., et al., (2013) "Decomposition of dyeing ... X., et al., (2009) "Trimethylamine sensing properties of nano-LaFeO3 prepared using solid-state reaction in the presence of PEG400." Materials Science and Engineering: B 164(1): 65-69 Clark, J

Ngày tải lên: 04/12/2020, 12:56

... MINISTRY OF EDUCATION AND TRAINING HA NOI UNIVERSITY OF SCIENCES AND TECHNOLOGY PHAN CHI NHAN PHAN CHI NHAN CHEMICAL ENGINEERING SYNTHESIS LAFEO3 FOR PHOTODEGRADATION OF POLLUTANTS ... "Optimization of electrochemical oxidation of dye wastewater using response surface methodology." Chinese Journal of Environmental Engineering 8(3): 990-996 Wang, Q., et al., (2013) "Decomposition of dyeing ... X., et al., (2009) "Trimethylamine sensing properties of nano-LaFeO3 prepared using solid-state reaction in the presence of PEG400." Materials Science and Engineering: B 164(1): 65-69 Clark, J

Ngày tải lên: 09/02/2021, 22:08

... MINISTRY OF EDUCATION AND TRAINING HA NOI UNIVERSITY OF SCIENCES AND TECHNOLOGY - PHAN CHI NHAN PHAN CHI NHAN CHEMICAL ENGINEERING SYNTHESIS LAFEO3 FOR PHOTODEGRADATION OF POLLUTANTS ... "Optimization of electrochemical oxidation of dye wastewater using response surface methodology." Chinese Journal of Environmental Engineering 8(3): 990-996 Wang, Q., et al., (2013) "Decomposition of dyeing ... X., et al., (2009) "Trimethylamine sensing properties of nano-LaFeO3 prepared using solid-state reaction in the presence of PEG400." Materials Science and Engineering: B 164(1): 65-69 Clark, J

Ngày tải lên: 27/02/2021, 09:43

... MINISTRY OF EDUCATION AND TRAINING HA NOI UNIVERSITY OF SCIENCES AND TECHNOLOGY PHAN CHI NHAN PHAN CHI NHAN CHEMICAL ENGINEERING SYNTHESIS LAFEO3 FOR PHOTODEGRADATION OF POLLUTANTS ... "Optimization of electrochemical oxidation of dye wastewater using response surface methodology." Chinese Journal of Environmental Engineering 8(3): 990-996 Wang, Q., et al., (2013) "Decomposition of dyeing ... X., et al., (2009) "Trimethylamine sensing properties of nano-LaFeO3 prepared using solid-state reaction in the presence of PEG400." Materials Science and Engineering: B 164(1): 65-69 Clark, J

Ngày tải lên: 01/03/2021, 15:16

... MINISTRY OF EDUCATION AND TRAINING HA NOI UNIVERSITY OF SCIENCES AND TECHNOLOGY PHAN CHI NHAN PHAN CHI NHAN CHEMICAL ENGINEERING SYNTHESIS LAFEO3 FOR PHOTODEGRADATION OF POLLUTANTS ... "Optimization of electrochemical oxidation of dye wastewater using response surface methodology." Chinese Journal of Environmental Engineering 8(3): 990-996 Wang, Q., et al., (2013) "Decomposition of dyeing ... X., et al., (2009) "Trimethylamine sensing properties of nano-LaFeO3 prepared using solid-state reaction in the presence of PEG400." Materials Science and Engineering: B 164(1): 65-69 Clark, J

Ngày tải lên: 29/04/2021, 16:06

... validation Introduction Ezetimibe (EZE) is a synthetic and specific cholesterol absorption inhibitor It inhibits the absorption of sterols in the intestine by selectively binding to the intestinal ... retention time of EZE The analysis was achieved in a short period of time ( < min) The developed method was validated for parameters including specificity, limit of quantitation, linearity, accuracy, ... spectrometry method using chemometric techniques for the determination of ezetimibe in human plasma ă ă Ebru UC AKTURK, Nuran OZALTIN Department of Analytical Chemistry, Faculty of Pharmacy, Hacettepe

Ngày tải lên: 12/01/2022, 22:50

... rapid, selective, and accurate determination of boron The method is sufficient for monitoring of water drinkableness in terms of boron according to the WHO guideline 418 ˙ and NAKIBO ˙ ˘ LIV GLU/Turk ... for indirect voltammetric determination of boron A cathodic stripping voltammetric method was developed monitoring the decrease in As(V) peak current in solutions containing sulfuric acid, copper, ... for determination of tetraborate in drinking and wastewater samples 20 The detection limit of this method for tetraborate was 124 µ g/L An adsorptive cathodic stripping voltammetric method using

Ngày tải lên: 13/01/2022, 00:02

... simple to use and effective for the determination of OCPs in milk 28 CHAPTER Determination of Pollutants in Soil 4.1 Determination of polycyclic aromatic hydrocarbons in soil by hollow fiber-protected ... first introduced in segmented-flow determination[ 1] It is based on the injection of a liquid sample into a moving, nonsegmented continuous carrier stream of a suitable liquid Then the injected ... Conclusions CHAPTER DETERMINATION OF POLLUTANTS IN SOIL 27 29 4.1 DETERMINATION OF POLYCYCLIC AROMATIC HYDROCARBONS IN SOIL BY HOLLOW FIBER-PROTECTED LIQUID-PHASE MICROEXTRACTION 4.1.1 Introduction...

Ngày tải lên: 22/10/2015, 21:08

... Boekel/Kinetic Modelling of Reactions in Foods DK3903_C000 Final Proof page i 12.11.2008 10:19pm Compositor Name: JGanesan Kinetic Modeling of Reactions in Foods Boekel/Kinetic Modelling of Reactions ... University of Guelph, Canada Boekel/Kinetic Modelling of Reactions in Foods DK3903_C000 Final Proof page iii 12.11.2008 10:19pm Compositor Name: JGanesan Kinetic Modeling of Reactions in Foods Martinus ... Boekel/Kinetic Modeling of Reactions in Foods DK3903_C001 Final Proof page 5.11.2008 6:48pm Compositor Name: VBalamugundan Kinetic Modeling of Reactions in Foods 1-2 Quality attributes (intrinsic...

Ngày tải lên: 02/04/2014, 15:04

... for the analysis of 11 quinolone antibiotics in bovine liver: pipemidic acid, ofloxacin, ciprofloxacin, danofloxacin, lomefloxacin, enrofloxacin, sarafloxacin, cinoxacin, oxolinic acid, nalidixic ... Ofloxacin Ofl i Cinoxacin Ciprofloxacin Danofloxacin Oxolinic acid N lidi i acid id Nalidixic Chemical structures of the quinolone antibiotics investigated in this study Lomefloxacin Flumequine Fl ... Lomefloxacin, Enrofloxacin, Sarafloxacin, Cinoxacin, Oxolinoc acid, 10 Nalidixic acid, 11 Flumequine Linearity and limit of quantification (LOQ) Table The linear calibration range for all of the quinolone...

Ngày tải lên: 06/10/2016, 09:27

... the incorporation of multiple conservative assumptions in deterministic risk assessment It is not intended to judge the validity of the assumptions In 1998, the State of Wisconsin began developing ... typically in the range of one in ten thousand to one in one million additional cases A case study from the State of Wisconsin illustrates the effect of multiple conservative assumptions in a deterministic ... sample Each cleanup step is intended to eliminate interfering compounds by using physical or chemical properties that differ between interfering compounds and the analyte of interest The analytical...

Ngày tải lên: 14/02/2014, 03:20