Graphite Furnace Atomic
Dealing with Outlier in Linear Calibration Curves: A Case Study of Graphite Furnace Atomic Absorption Spectrometry
... Njaka Namelantsoa Andriamahenina, Elise Octavie Rasoazanany, Herinirina Nomenjanahary Ravoson, Lucienne Voahangilalao Rakotozafy, Manovantsoatsiferana Harinoely, Raoelina Andraimbololona, Randrianarivony Edmond. Dealing ...
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Validation of a method for direct cadmium determination in breast milk by graphite furnace atomic absorption spectrometry using tantalum treated graphite tube and co injection of iridium as chemical modifier
... A method for direct cadmium determination in breast milk by graphite furnace atomic absorption spectrometry (GF AAS) was developed in this work. Twenty six experiments were conducted for optimization ...
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Determination of Trace Amounts of Lead by Modified Graphite Furnace Atomic Absorption Spectrometry after Liquid Phase Microextraction with Pyrimidine 2 thiol
... modified Graphite furnace atomic absorp- tion spectrometry (GF-AAS) for determination of lead in the water and solid ...a graphite tube modi- fied by ...
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Optimization of Chromium, Nickel and Vanadium analysis in crude oil using graphite furnace atomic absorption spectroscopy
... 37. Vale, M. G. R., Damina, I. C. F., Klassena, A., Silvaa, M. M., Welzb, B., Silvab, A. F., Leprib, F. G., Borgesb, D. L. G. and Heitmann, U. Method Development for the Determination of Nickel in Petroleum Using ...
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Determination of Plantinum in Rocks by Graphite Furnace Atomic Absorption Spectrometry After Separation on Sorbent
... 800 Graphite Furnace Atomic Absorption spectroscopy (GFAAS) excites a enrichment liquid sample in a small graphite tube allowing a very low range analysis of platinum in solution, in the parts ...
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Investigation of Distribution for Trace Lead and Cadmium in Chinese Herbal Medicines and Their Decoctions by Graphite Furnace Atomic Absorption Spectrometry
... Lead and cadmium in herbal medicines are highly toxic to living organisms even in low concentrations. An effective method is developed for analysis of trace lead and cadmium in Chinese herbal medicines and their ...
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Study on the effects of nitrilotriproprionic acid and 4,5-dihydroxy-1,3-benzene disulphonate on the fractionation of beryllium in human serum using graphite furnace atomic absorption spectrometry
... In this study, we looked first at the natural distribution of beryllium in serum and the influence of NTP and Tiron on this distribution. We focused on two operationally- defined fractions; the first fraction combines ...
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Air-assisted Liquid Liquid Microextraction Combined with Graphite Furnace Atomic Absorption Spectrometry for Preconcentration and Determination of Trace Amount of Co(II) and Ni(II) Ions in Water Samples
... A simple, rapid and efficient method has been developed for the extraction, preconcentration and determination of cobalt(II) and nickel(II) ions in water samples by air-assisted liquid-liquid microextraction (AALLME) ...
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Determination of Lead in Mashhad City Tap Water by Graphite Furnace Atomic Absorption Spectrometry
... Lead from drinking water is one of the sources of lead exposure that contributes to the total amount of lead in the body. In this study we measured the lead concentration of tap water in Mashhad city randomly, by ...
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Measuring Conditions for the Determination of Lead in Iron Matrix Samples Using Graphite Atomizers with/without a Platform in Graphite Furnace Atomic Absorption Spectrometry
... In graphite furnace atomic absorption spectrometry (GF-AAS), the atomization process of lead occurring in graphite atomizers with/without a platform plate was investigated when palladium was ...
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Degradation Process of Graphite Furnace Estimated from the Atomic Gas Temperature of Iron in Graphite Furnace Atomic Absorption Spectrometry
... an atomic gas to measure the atomic ...atomization furnace; as the result, it is generally lower compared with the other analysis method, such as inductively coupled plasma-optical emission spec- ...
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Graphite furnace atomic absorption spectrometry as a routine method for the quantification of beryllium in blood and serum
... increased research efforts are being targeted towards the development of a CBD treatment by chelation therapy [7,8]. For that purpose, a routine method is required to analyse beryllium in micro samples of biological ...
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Quantification of gallium, indium and thallium in meteorites and other geological materials by graphite furnace atomic absorption spectrometry : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy at Massey University
... Hydride - Generat ion Atomic Abs orpt ion Spectrometry for the Quant i f ication of Germa nium in Iron Meteor ites An al.. Separation of I ron from I nd ium with Cupf erron Proc..[r] ...
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Determination of Heavy Metals at Sub ppb Levels in Water by Graphite Furnace Atomic Absorption Spectrometry Using a Direct Introduction Technique after Preconcentration with an Iminodiacetate Extraction Disk
... We next investigated the size of the small disks from the IED introduced into the furnace. When the IED was punched with three different sizes of hole punch (1, 2, and 3 mm diameter), the sample masses were 0.26, ...
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Effervescence-assisted Dispersive Liquid-liquid Microextraction for Trace Analysis of Co(II) and Ni(II) from Aqueous Sample Based on Phthalic Acid as a Complexing agent and Co-disperser
... with graphite furnace atomic absorption spectrometry has been developed for the extraction and preconcentration of Co(II) and Ni(II) from aqueous ...
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Development and application of gas cupolas in foundry production
... The study of cast iron melting in induction crucible furnaces with increased specific capacity allowed determining the main peculiarities of the melting technology and the implementation of electrochemical protection ...
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Structural disorder of graphite and implications for graphite thermometry
... of graphite crystallinity, or its structural or- der, has been calibrated as an indicator of the peak metamor- phic temperatures experienced by the host ...by graphite crystallinity versus other ...
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Material Flow Analysis of Aluminum Dross and Environmental Assessment for Its Recycling Process
... melting furnace, (d) the dross generation ratio in a melting furnace, (f) the cooled dross generation ratio in a melting furnace, (i) the high-grade residue generation ratio in the recovery process ...
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PW CVolume of the Heat of water (kJ/kg C) T Temperature of liquid steel (K) T Temperature of cooling water (K) t Melting time (sec) R Heat resistance of the furnace lining (kW/K)
... induction furnace and the design of heat balance equation with the objective to increase the efficiency for energy saving and quality of liquid steel by consistently controlling the melting ...
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Simulation of Induction Furnace Comparison with Practical Induction Furnace
... induction furnace model optimized resonant capacitor is designed for a practical induction furnace with parallel resonant ...industry furnace data. and conclude that when furnace is not ...
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