Littérature scientifique sur le sujet « Spectrophotometer analysi »
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Articles de revues sur le sujet "Spectrophotometer analysi"
Shehata, Adel B., Abdulrahman R. Alaskar, Mohammed A. Alrasheed, Abdullah S. Alosaimi, Fahd A. Alkharraa et Abdulrahman M. Alzahrani. « Certification of sodium benzoate solution reference material by HPLC-UV, LC-MS/MS and UV-VIS-NIR spectrophotometry for food and drug analysi ». Journal of Chemical Metrology 14, no 2 (28 novembre 2020) : 88–105. http://dx.doi.org/10.25135/jcm.48.20.08.1780.
Texte intégralMohammad, Karim Aly, Abdelhalim Zekry et Mohamed Abouelatta. « LED Based Spectrophotometer can compete with conventional one ». International Journal of Engineering & ; Technology 4, no 2 (24 mai 2015) : 399. http://dx.doi.org/10.14419/ijet.v4i2.4504.
Texte intégralDhawale, Nandkishor M., Viacheslav I. Adamchuk, Shiv O. Prasher, Raphael A. Viscarra Rossel et Ashraf A. Ismail. « Evaluation of Two Portable Hyperspectral-Sensor-Based Instruments to Predict Key Soil Properties in Canadian Soils ». Sensors 22, no 7 (26 mars 2022) : 2556. http://dx.doi.org/10.3390/s22072556.
Texte intégralMorawski, Roman Z. « Measurement Data Processing in Spectrophotometric Analysers of Food ». Metrology and Measurement Systems 19, no 4 (1 décembre 2012) : 623–52. http://dx.doi.org/10.2478/v10178-012-0056-1.
Texte intégralKholifa, Mulik, Tri Mulyono et Yeni Maulidah Muflihah. « Simultaneous Determination of Magnesium (Mg2+) and Ammonium (NH4+) by Flow Injection Analysis ». Jurnal ILMU DASAR 19, no 1 (28 février 2018) : 1. http://dx.doi.org/10.19184/jid.v19i1.5483.
Texte intégralMouazen, A. M., W. Saeys, J. Xing, J. De Baerdemaeker et H. Ramon. « Near Infrared Spectroscopy for Agricultural Materials : An Instrument Comparison ». Journal of Near Infrared Spectroscopy 13, no 2 (avril 2005) : 87–97. http://dx.doi.org/10.1255/jnirs.461.
Texte intégralSaputro, Sulistyo, Ashadi Ashadi, Lina Mahardiani, Nurma Yunita Indriyanti, Maria Ciptaning Sabdo Kawedhar et Wima Pudya Ajunda. « The Analysis of Low-Cost Pb(II) Adsorbents using Batch Method of Solid-Phase Spectrophotometry ». Jurnal Kimia Valensi 7, no 1 (21 juin 2021) : 38–45. http://dx.doi.org/10.15408/jkv.v7i1.18363.
Texte intégralSaputro, Sulistyo, Ashadi Ashadi, Lina Mahardiani, Nurma Yunita Indriyanti, Maria Ciptaning Sabdo Kawedhar et Wima Pudya Ajunda. « The Analysis of Low-Cost Pb(II) Adsorbents using Batch Method of Solid-Phase Spectrophotometry ». Jurnal Kimia Valensi 1, no 1 (21 juin 2021) : 38–45. http://dx.doi.org/10.15408/jkv.v1i1.18363.
Texte intégralDarmawati, Darmawati, Syaiful Bahri et Husain Sosidi. « Analisis Kadar Glukomanan Dari Biji Durian (Durio zeibethinus Murr) dengan Metode Spektrofotometri pada Berbagai Waktu dan Suhu Hidrolisis ». KOVALEN : Jurnal Riset Kimia 6, no 2 (1 septembre 2020) : 158–64. http://dx.doi.org/10.22487/kovalen.2020.v6.i2.11582.
Texte intégralBrescia, P. « Multi-Volume Analysis of Nucleic Acids Using the EPOCH™ Spectrophotometer System ». Nauka ta innovacii 8, no 2 (30 mars 2012) : 43–47. http://dx.doi.org/10.15407/scin8.02.043.
Texte intégralThèses sur le sujet "Spectrophotometer analysi"
Wheatley, Robert Alan. « Aldehydic lipid peroxidation products : flow analysis using spectrophotometry and chemiluminescence ». Thesis, University of Hull, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.363331.
Texte intégralWolf, Katharine. « Flow injection analysis with photodiode array detection ». Thesis, University of Hull, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.278427.
Texte intégralSooväli, Lilli. « Spectrophotometric measurements and their uncertainty in chemical analysis and dissociation constant measurements / ». Online version, 2006. http://dspace.utlib.ee/dspace/bitstream/10062/627/5/soovalililli.pdf.
Texte intégralDe, Bock Veerle. « Analysis and interpretation of Aerosol Optical Depth values retrieved from a Brewer spectrophotometer at Uccle, Belgium ». Doctoral thesis, Universite Libre de Bruxelles, 2018. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/277633.
Texte intégralDoctorat en Sciences
info:eu-repo/semantics/nonPublished
Rakbamrung, Nawasit. « Determination of some inorganic ions, with or without preconcentration, by flow injection analysis or ion chromatography ». Thesis, Liverpool John Moores University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.288214.
Texte intégralDowds, Eileen. « Automated Data Acquisition for Analysis of Fly Ash by Graphite Furnace Atomic Absorption Spectrophotometry ». W&M ScholarWorks, 1989. https://scholarworks.wm.edu/etd/1539625520.
Texte intégralPhiri, Mohau Justice. « On-line monitoring of base metals solutions in flotation using diffuse reflectance spectrophotometry ». Thesis, Stellenbosch : University of Stellenbosch, 2010. http://hdl.handle.net/10019.1/5173.
Texte intégralThesis submitted in partial fulfilment of the requirements for the degree of MASTER OF SCIENCE IN ENGINEERING (MINERAL PROCESSING) in the Department of Processing Engineering at the University of Stellenbosch
ENGLISH ABSTRACT: This work evaluates the use of inverse least squares (ILS) and classical least squares (CLS) models for calibration of a diffuse reflectance spectrophotometer for on-line monitoring of the aqueous phase in a flotation cells. Both models use a Beer's law for the quantification of the metals. The formulated statistical models are compared to a proprietary Blue Cube model in terms of prediction ability to determine the potential applicability of the models. A diffuse reflectance spectrophotometry was used for simultaneous analysis of copper (Cu), cobalt (Co) and zinc (Zn) in the solutions. The laboratory set-up of Blue Cube instrument was used for the experimental analysis. The concentrations and matrix compositions of the samples are simulated according to Skorpion zinc mine plant conditions. The calibration samples were prepared using a simplex-centroid mixture design with the triplicates of the centroid run. The unknown or test samples were prepared randomly within the same concentration of the calibration samples. The effects of temperature and nickel concentration on absorption of the metals were evaluated in the following range, 20 - 80 °C and 125 - 400 ppm, respectively. The statistical models (ILS and CLS) were calibrated from visible and near infrared (VNIR) spectra data of the calibration samples. A modified Beer's method was used as a preprocessing technique to convert the raw data into absorbance values. The manual wavelength selection procedure was used to select the wavelengths to be used in both models. The quality of the models was evaluated based on Rª and % root mean squared error (RMSE) values with 0.90 and 10% used as the guideline for the respective statistical parameters. Both ILS and CLS models showed good results for all three metals (Cu, Co and Zn) during their calibration steps. It was further shown that both models give worse predictions for Zn as compared to other metals due to its low relative intensity in the mixture. The derivative orders of absorbance spectra that were used to enhance the prediction results of Zn had no positive effect but they rather lowered accuracy of predictions. An increase in temperature was found to increase the intensities of the absorption spectra of all the metals while an increase in nickel concentration decreases the prediction ability of model. The developed statistical models were compared to a Blue Cube model in terms of prediction ability using analysis of variance (ANOVA) test. The ANOVA results revealed that there is no statistical difference between the developed models and Blue Cube model since the F-values for all the metals were below the critical F-value. Furthermore, the partial least squares (PLS) model shows an increased accuracy results for prediction of zinc metal as compared to both the ILS and CLS models. Finally, good comparisons of the statistical models results with atomic absorption spectroscopy (AAS) analyses were establish for the unknown samples. The study demonstrates that chemometric models (ILS and CLS) developed here can be used for quantification of several metals in real hydrometallurgical solutions as samples were simulated according to a plant conditions. However, in order to have confidence in the results of the models, a factorial-mixture design must be used to study the effect of temperature and nickel concentration. Moreover the models must be further tested and validated on the real samples from a plant.
AFRIKAANSE OPSOMMING: Hierdie werkstuk evalueer die gebruik van inverse kleinste kwadraatmetodes (IKK) en klassieke kleinste kwadraatmetodes (KKK) vir die kalibrasie van 'n diffuse reflektansiespektrofotometer vir die aanlyn monitering van die waterige fase in flottasieselle. Beer se wet word vir die kwantifisering van metale vir albei modelle gebruik. Die omskrewe data-gebaseerde modelle is op grond van voorspellingsvermoë vergelyk met'n. Blue Cube model, sodat die moontlike toepaslikheid van hierdie modelle bepaal kan word. 'n Diffuse reflectantie spektrofotometrie is ingespan vir die gelyktydige analise van koper (Cu), kobalt (Co) en sink (Zn) in oplossing. Eksperimentele analises is met behulp van 'n laboratoriumopstelling met 'n Blue Cube instrument uitgevoer. Die konsentrasies en matriks-samestellings van monsters is gesimuleer om Skorpion sinkmyn aanlegkondisies na te boots. Kalibrasie monsters is voorberei volgens . simpleks-sentroïed mengselontwerp met drievoudige sentroïede lopies. Onbekende (toets) monsters is ewekansig voorberei binne dieselfde konsentrasie spesifikasies as die kalibrasie monsters. Die invloed van temperatuur en nikkelkonsenstrasie op die absorpsie van die metale is in die bestek van 20 - 80 °C en 125 - 400 dpm, onderskeidelik, bepaal. Die data-gebaseerde modelle (IKK en KKK) is met sigbare en naby infrarooi (SNIR) spektra data van die kalibrasie monsters gekalibreer. 'n Gewysigde Beer metode is vir data voorbereiding benut om rou data na absorbansie waardes om te skakel. Die handgolflengte-seleksieprosedure is vir beide modelle gebruik om die golflengtes te kies. Die kwaliteit van die modelle is op grond van Rª en % wortel gemiddelde kwadratiese fout (WGKF) geevalueer, met waardes van 0.90 en 10% (onderskeidelik) as riglyne vir hierdie statistiese parameters. Beide IKK en KKK modelle het vir hul kalibrasie stappe vir al drie metale (Cu, Co en Zn) goeie resultate getoon. Dit is verder getoon dat albei modelle die slegste voorspellings lewer vir Zn (vergeleke met die ander metale) as gevolg van Zn se lae relatiewe intensiteit in die mengsel. Afgeleide ordes van absorbansie spektra is gebruik om die Zn voorspellings te versterk, maar het geen positiewe effek gehad nie; inteendeel, voorspellingakkuraatheid is verlaag. ʼn Verhoging in temperatuur het die intensiteite van die absorpsie spektra van alle metale verhoog, terwyl ʼn verhoging in nikkelkonsentrasie die voorspellingakkuraatheid van die modelle verlaag het. Die ontwikkelde data-gebaseerde modelle is met ʼn Blue Cube model vergelyk in terme van voorspellingsvermoë met behulp van variansie-analise (ANOVA). Die ANOVA resultate toon dat daar geen statistiese verskil tussen die ontwikkelde modelle en die Blue Cube model is nie, aangesien die F-waardes vir al die metale onder die kritiese F-waarde is. Die gedeeltelike kleinste kwadraatmodel (GKK) toon verder verhoogde voorspellingakkuraat-heid vir sinkmetaal tenoor beide die IKK en KKK modelle. Ten slotte, goeie ooreenstemming van die data-gebaseerde modelresultate met atoomabsorpsie spektroskopie (AAS) analise is vir die onbekende monsters gevind. Hierdie werkstuk toon dat die chemometriese modelle (IKK en KKK) wat hier ontwikkel is, gebruik kan word vir die kwantifisering van verskeie metale in werklike hidrometallurgiese oplossings, aangesien monsters gesimuleer is volgens aanlegkondisies. Om egter verdere vertroue te hê in die modelresultate, sal ʼn faktoriaal-mengselontwerp toegepas moet word om die effek van temperatuur en nikkelkonsentrasie te ondersoek. Voorts moet die modelle verder getoets en gevalideer word op werklike monsters van ʼn aanleg.
Nilsson, Karolina. « Spectrophotometric measurement automatization for the analysis of enzymatic processes ». Thesis, Uppsala University, Signals and Systems Group, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-125723.
Texte intégralThis thesis work consisted of the development of a virtual instrument that automates enzyme activity measurements and spectrum measurements with the spectrophotometer UVmini-1240. The purpose was to expand the functionality of the instrument, to eliminate the human error and to decrease the amount of time spent on measurements. A PC was connected to the UVmini-1240 via a RS-232C interface and the cell position and temperature was regulated with a CPS-240A controller. The new interface allows all the parameters to be set in the same place. It allows a visualization of the continuous monitoring of the sample absorbance and the option to save the data for post-processing. Also a module for measuring the spectrum of a sample in the wavelength range of 190 nm to 1100 nm is included. The graphical programming language LabView was used to develop the virtual instrument. This thesis work also contained measurement series of the catalase enzyme activity. These were carried out to determine the best storage temperature for the catalase solution and to determine the optimal surrounding temperature for the highest activity in the catalase solution. The conclusions were that the activity does not change considerably the first week of storage, not matter the temperature, and that the activity goes down when the surrounding temperature reaches above 30° C. These measurements were part of a bigger project to develop an ultrasonic method for measuring enzyme activity at the Institute of Acoustics at C.S.I.C in Madrid.
Elkhazin, Mohamed M. A. « Analysis of coronal discoloration from commonly used obturation materials ». Thesis, University of the Western Cape, 2007. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_8814_1256029448.
Texte intégralThe objective of this study was to assess coronal discoloration due to four commonly used endodontic sealers with gutta-percha, using spectrophotometric analysis. Extracted human teeth were obturated with the experimental sealers and GP. The sealers that were tested included AH Plus, EndoRez, and Kerr Pulp Canal Sealer. The teeth were maintained in a moist environment at 37 C. Immediate pretreatment readings of the crowns of the extracted teeth with a spectrometer were used as baseline data. Subsequent readings were taken every two weeks for two months. Results were analysed using Wilcoxson Signed Rank sum test and Kruskal Wallis test.
Avramidis, Stefanos. « Simulation and parameter estimation of spectrophotometric instruments ». Thesis, KTH, Numerical Analysis and Computer Science, NADA, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-12292.
Texte intégralThe paper and the graphics industries use two instruments with different optical geometry (d/0 and 45/0) to measure the quality of paper prints. The instruments have been reported to yield incompatible measurements and even rank samples differently in some cases, causing communication problems between these sectors of industry.A preliminary investigation concluded that the inter-instrument difference could be significantly influenced by external factors (background, calibration, heterogeneity of the medium). A simple methodology for eliminating these external factors and thereby minimizing the instrument differences has been derived. The measurements showed that, when the external factors are eliminated, and there is no fluorescence or gloss influence, the inter-instrument difference becomes small, depends on the instrument geometry, and varies systematically with the scattering, absorption, and transmittance properties of the sample.A detailed description of the impact of the geometry on the results has been presented regarding a large sample range. Simulations with the radiative transfer model DORT2002 showed that the instruments measurements follow the physical radiative transfer model except in cases of samples with extreme properties. The conclusion is that the physical explanation of the geometrical inter-instrument differences is based on the different degree of light permeation from the two geometries, which eventually results in a different degree of influence from near-surface bulk scattering. It was also shown that the d/0 instrument fulfils the assumptions of a diffuse field of reflected light from the medium only for samples that resemble the perfect diffuser but it yields an anisotropic field of reflected light when there is significant absorption or transmittance. In the latter case, the 45/0 proves to be less anisotropic than the d/0.In the process, the computational performance of the DORT2002 has been significantly improved. After the modification of the DORT2002 in order to include the 45/0 geometry, the Gauss-Newton optimization algorithm for the solution of the inverse problem was qualified as the most appropriate one, after testing different optimization methods for performance, stability and accuracy. Finally, a new homotopic initial-value algorithm for routine tasks (spectral calculations) was introduced, which resulted in a further three-fold speedup of the whole algorithm.The paper and the graphics industries use two instruments with different optical geometry (d/0 and 45/0) to measure the quality of paper prints. The instruments have been reported to yield incompatible measurements and even rank samples differently in some cases, causing communication problems between these sectors of industry.A preliminary investigation concluded that the inter-instrument difference could be significantly influenced by external factors (background, calibration, heterogeneity of the medium). A simple methodology for eliminating these external factors and thereby minimizing the instrument differences has been derived. The measurements showed that, when the external factors are eliminated, and there is no fluorescence or gloss influence, the inter-instrument difference becomes small, depends on the instrument geometry, and varies systematically with the scattering, absorption, and transmittance properties of the sample.A detailed description of the impact of the geometry on the results has been presented regarding a large sample range. Simulations with the radiative transfer model DORT2002 showed that the instruments measurements follow the physical radiative transfer model except in cases of samples with extreme properties. The conclusion is that the physical explanation of the geometrical inter-instrument differences is based on the different degree of light permeation from the two geometries, which eventually results in a different degree of influence from near-surface bulk scattering. It was also shown that the d/0 instrument fulfils the assumptions of a diffuse field of reflected light from the medium only for samples that resemble the perfect diffuser but it yields an anisotropic field of reflected light when there is significant absorption or transmittance. In the latter case, the 45/0 proves to be less anisotropic than the d/0.In the process, the computational performance of the DORT2002 has been significantly improved. After the modification of the DORT2002 in order to include the 45/0 geometry, the Gauss-Newton optimization algorithm for the solution of the inverse problem was qualified as the most appropriate one, after testing different optimization methods for performance, stability and accuracy. Finally, a new homotopic initial-value algorithm for routine tasks (spectral calculations) was introduced, which resulted in a further three-fold speedup of the whole algorithm.
QC 20100707
PaperOpt, Paper Optics and Colour
Livres sur le sujet "Spectrophotometer analysi"
Němcová, Irena. Spectrophotometric reactions. New York : Marcel Dekker, 1996.
Trouver le texte intégralS, Görög. Ultraviolet-visible spectrophotometry in pharmaceutical analysis. Boca Raton, Fla : CRC Press, 1995.
Trouver le texte intégralMarczenko, Zygmunt. Separation, preconcentration, and spectrophotometry in inorganic analysis. Amsterdam : Elsevier Science B.V., 2000.
Trouver le texte intégralOlivier, Thomas, et Burgess C, dir. UV-visible spectrophotometry of water and wastewater. Amsterdam : Elsevier, 2007.
Trouver le texte intégralG, Watson David. Pharmaceutical analysis : A textbook for pharmacy students and pharmaceutical chemists. Edinburgh [Scotland] : Churchill Livingstone, 1999.
Trouver le texte intégralFlotacyjno-spektrofotometryczne oznaczanie mikrogramowych ilości rutenu i osmu z użyciem barwników zasadowych. Warszawa : Wydawnictwa Politechniki Warszawskiej, 1991.
Trouver le texte intégral1945-, Burgess C., Mielenz Klaus D, Ultraviolet Spectrometry Group et Council for Optical Radiation Measurements., dir. Advances in standards and methodology in spectrophotometry : Papers presented at the first joint meeting of the UV Spectrometry Group of the UK and the Council for Optical Radiation Measurements of the USA, Oxford, September14-17, 1986. Amsterdam : Elsevier, 1987.
Trouver le texte intégralC, Burgess, Mielenz K. D, Ultraviolet Spectrometry Group (Great Britain) et Council for Optical Radiation Measurements (U.S.), dir. Advances in standards and methodology in spectrophotometry : Papers presented at the first joint meeting of the UV Spectrometry Group of the U.K. and the Council for Optical Radiation Measurements of the U.S.A., Oxford, September 14-17, 1986. Amsterdam : Elsevier, 1987.
Trouver le texte intégralWilfredo, Morales, Lauer James L et Lewis Research Center, dir. Analysis of a thioether lubricant by infrared fourier microemission spectrophotometery. [Cleveland, Ohio] : National Aeronautics and Space Administration, Lewis Research Center, 1986.
Trouver le texte intégralS, Poluėktov N., et Fiziko-khimicheskiĭ institut im. A.V. Bogatskogo., dir. Spektrofotometricheskie i li͡u︡minest͡s︡entnye metody opredelenii͡a︡ lantanoidov. Kiev : Nauk. dumka, 1989.
Trouver le texte intégralChapitres de livres sur le sujet "Spectrophotometer analysi"
Bruno, Thomas J., et Paris D. N. Svoronos. « Infrared Spectrophotometry ». Dans CRC Handbook of Basic Tables for Chemical Analysis, 363–463. Fourth edition. | Boca Raton, FL : CRC Press, 2020. : CRC Press, 2020. http://dx.doi.org/10.1201/b22281-9.
Texte intégralGordon, M. H., et R. Macrae. « UV—visible spectrophotometry ». Dans Instrumental Analysis in the Biological Sciences, 92–116. Boston, MA : Springer US, 1987. http://dx.doi.org/10.1007/978-1-4684-1521-6_6.
Texte intégralAmekura, Hiro. « Ultraviolet–Visible Spectrophotometry ». Dans Compendium of Surface and Interface Analysis, 791–99. Singapore : Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-6156-1_126.
Texte intégralLoconto, Paul R. « Introduction to the Visible Spectrophotometer ». Dans Laboratory Experiments in Trace Environmental Quantitative Analysis, 17–24. Boca Raton : CRC Press, 2022. http://dx.doi.org/10.1201/9781003260707-3.
Texte intégralGordon, M. H., et R. Macrae. « Fluorescence and phosphorescence spectrophotometry ». Dans Instrumental Analysis in the Biological Sciences, 117–32. Boston, MA : Springer US, 1987. http://dx.doi.org/10.1007/978-1-4684-1521-6_7.
Texte intégralBrzović, Peter S., et Michael F. Dunn. « Rapid-Scanning Stopped-Flow Spectrophotometry ». Dans Methods of Biochemical Analysis, 191–273. Hoboken, NJ, USA : John Wiley & Sons, Inc., 2006. http://dx.doi.org/10.1002/9780470110584.ch5.
Texte intégralBruno, Thomas J., et Paris D. N. Svoronos. « Ultraviolet and Visible Spectrophotometry ». Dans CRC Handbook of Basic Tables for Chemical Analysis, 321–62. Fourth edition. | Boca Raton, FL : CRC Press, 2020. : CRC Press, 2020. http://dx.doi.org/10.1201/b22281-8.
Texte intégralVangsness, C. Thomas. « Laser Meniscectomy : Wavelength Analysis by the Spectrophotometer ». Dans Arthroscopic Laser Surgery, 23. New York, NY : Springer New York, 1995. http://dx.doi.org/10.1007/978-1-4612-2468-6_5.
Texte intégralShibata, Kazuo. « Spectrophotometry of Opaque Biological Materials-Reflection Methods ». Dans Methods of Biochemical Analysis, 217–34. Hoboken, NJ, USA : John Wiley & Sons, Inc., 2006. http://dx.doi.org/10.1002/9780470110256.ch6.
Texte intégralShibata, Kazuo. « Spectrophotometry of Translucent Biological Materials-Opal Glass Transmission Method ». Dans Methods of Biochemical Analysis, 77–109. Hoboken, NJ, USA : John Wiley & Sons, Inc., 2006. http://dx.doi.org/10.1002/9780470110232.ch3.
Texte intégralActes de conférences sur le sujet "Spectrophotometer analysi"
Vucane, Sanita, Martins Sabovics, Lauris Leitans et Ingmars Cinkmanis. « Smartphone-based colorimetric determination of DPPH free radical scavenging activity in vegetable oils ». Dans Research for Rural Development 2020. Latvia University of Life Sciences and Technologies, 2020. http://dx.doi.org/10.22616/rrd.26.2020.016.
Texte intégralAdachi, Masayuki, Yutaka Yamagishi, Kaori Inoue et Kozo Ishida. « Automotive Emission Analyses using FTIR Spectrophotometer ». Dans International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States : SAE International, 1992. http://dx.doi.org/10.4271/920723.
Texte intégralWyble, David R. « Analysis of spectrophotometer specular performance using goniometric information ». Dans Fourth Oxford Conference on Spectroscopy, sous la direction de Art Springsteen et Michael Pointer. SPIE, 2003. http://dx.doi.org/10.1117/12.514529.
Texte intégralTeodorof, Liliana, Adrian Burada, Cristina Despina, Daniela Seceleanu-Odor, Cristian Trifanov, Antoaneta Ene, Elena Zubcov, Thomas Spanos et Oleg Bogdevich. « Environmental toxicants evaluation in a modern monitoring system - Romanian monitox network area ». Dans Xth International Conference of Zoologists. Institute of Zoology, Republic of Moldova, 2021. http://dx.doi.org/10.53937/icz10.2021.04.
Texte intégralHaponiuk, Andrii, Natalia Bezugla, Kostiantyn Vonsevych, Mikhail Bezuglyi, Aliya Zilgaraeva, Piotr Kisala, Saule Luganskaya et Sandugash Orazalieva. « Blood glucose analysis by Raman spectrophotometer with ellipsoidal reflector ». Dans Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2021, sous la direction de Andrzej Smolarz, Ryszard S. Romaniuk et Waldemar Wojcik. SPIE, 2021. http://dx.doi.org/10.1117/12.2613340.
Texte intégralYang, Hongying, Shiyin Ding et Pengfei Jiang. « Precision Analysis of Color Measurement by Different Spectrophotometers ». Dans 3rd International Conference on Material, Mechanical and Manufacturing Engineering (IC3ME 2015). Paris, France : Atlantis Press, 2015. http://dx.doi.org/10.2991/ic3me-15.2015.190.
Texte intégralMuraru, Sebastian. « RESEARCH ON SOIL PROPERTIES ANALYSIS USING SPECTROPHOTOMETRY ». Dans 17th International Multidisciplinary Scientific GeoConference SGEM2017. Stef92 Technology, 2017. http://dx.doi.org/10.5593/sgem2017/32/s13.060.
Texte intégralFarquharson, Stuart, et Peter T. Keillor III. « Extruder Mixing Analysis Via A Fiber Optically Coupled Visible Spectrophotometer ». Dans O-E/Fiber LASE '88, sous la direction de Robert A. Lieberman et Marek T. Wlodarczyk. SPIE, 1989. http://dx.doi.org/10.1117/12.959979.
Texte intégralLaDelfe, Peter C., et D. B. Stahl. « Spectrophotometer Design for the Characterization of Interference Coatings ». Dans Optical Interference Coatings. Washington, D.C. : Optica Publishing Group, 1988. http://dx.doi.org/10.1364/oic.1988.wc7.
Texte intégralHuda, Thorikul, Durotun Nafisah, Suryati Kumorowulan et Sri Lestari. « Quality control of test iodine in urine by spectrophotometry UV–Vis ». Dans INTERNATIONAL CONFERENCE AND WORKSHOP ON MATHEMATICAL ANALYSIS AND ITS APPLICATIONS (ICWOMAA 2017). Author(s), 2017. http://dx.doi.org/10.1063/1.5016017.
Texte intégralRapports d'organisations sur le sujet "Spectrophotometer analysi"
Bass, D. A., L. B. TenKate et A. Wroblewski. Development of mixed-waste analysis capability for graphite furnace atomic absorption spectrophotometry. Office of Scientific and Technical Information (OSTI), mars 1995. http://dx.doi.org/10.2172/105062.
Texte intégralMaps and tables showing data and analyses of semiquantitative emmission spectrometry and atomic-absorption spectrophotometry of rock samples, Ugashik, Bristol Bay, and part of Karluk quadrangles, Alaska. US Geological Survey, 1986. http://dx.doi.org/10.3133/mf1539c.
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