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作者:Laís Nascimento Viana , Tatiana Dillenburg Saint'Pierre
来源:[J].Microchemical Journal(IF 2.879), 2019, Vol.151
摘要:Abstract(#br)In the present work, a method for the determination of Ni and Cr in crude oil samples and derivatives (petroleum asphalt cement (CAP) and malthene) through direct analysis of samples diluted in a mixture of organic solvents (xylene/butanol), by isotope dilution induc...
作者:Enea Pagliano , Zoltán Mester , Juris Meija
来源:[J].Analytica Chimica Acta(IF 4.387), 2015, Vol.896, pp.63-67
摘要:Abstract(#br)Isotope-based quantitation is routinely employed in chemical measurements. Whereas most analysts seek for methods with linear theoretical response functions, a unique feature that distinguishes isotope dilution from many other analytical methods is the inherent pos...
作者:L.A. Crompton , L.L. McKnight , C.K. Reynolds ...
来源:[J].Journal of Theoretical Biology(IF 2.351), 2018, Vol.444, pp.100-107
摘要:Abstract(#br)An isotope dilution model to describe the partitioning of phenylalanine and tyrosine in the bovine liver was developed. The model comprises four intracellular and six extracellular pools and various flows connecting these pools and external blood. Conservation of mas...
作者:D. Alamelu , S.K. Aggarwal
来源:[J].Journal of Alloys and Compounds(IF 2.39), 2007, Vol.444, pp.643-646
摘要:Abstract(#br)Isotope dilution techniques, using a suitable tracer or spike isotope, are commonly used for determining Pu concentration in complex matrices like dissolver solution of irradiated fuel. One of the main reasons for this is the high accuracy achievable due to the elimi...
作者:Yi-Reng Lin , Mei-Fang Huang , You-Ying Wu ...
来源:[J].Food Chemistry(IF 3.334), 2017, Vol.230
摘要:Abstract(#br)In this work, we synthesized internal standards for four garlic organosulfur compounds (OSCs) by reductive amination with 13 C, D 2 -formaldehyde, and developed an isotope dilution analysis method to quantitate these organosulfur components in garlic samples. Inter...
作者:Tod Waight , Joel Baker , Bart Willigers
来源:[J].Chemical Geology(IF 3.154), 2002, Vol.186 (1), pp.99-116
摘要:Abstract(#br)A new technique is presented where mass fractionation during Rb isotope dilution analyses by multi-collector inductively coupled plasma mass spectrometry is corrected for by measuring the amount of fractionation on admixed Zr. Replicate analyses of natural Rb inter...
作者:Darin Desilets , Marek Zreda , Peter F. Almasi ...
来源:[J].Chemical Geology(IF 3.154), 2006, Vol.233 (3), pp.185-195
摘要:... The isotope dilution method for preparing 36 Cl samples is now widely used because it allows 36 Cl and Cl to be measured simultaneously on a single accelerator mass spectrometry target, increases the accuracy and precision of Cl determinations, and reduces rock sample size a...
作者:Zeynep Tekin , Elif Öztürk Er , Sezgin Bakırdere
来源:[J].Measurement(IF 1.13), 2019, Vol.146, pp.606-612
摘要:Abstract(#br)In this study, Quadrupole Isotope Dilution Mass Spectrometry (ID 4 MS) strategy was coupled with Liquid Chromatography-Quadrupole Time of Flight-Tandem Mass Spectrometry (LC-QTOF-MS/MS) for the accurate and precise determination of glycine in body fluids at trac...
作者:Lucia D'Ulivo , Lu Yang , Jianfu Ding ...
来源:[J].Analytica Chimica Acta(IF 4.387), 2017
摘要:... In this study, we present a novel analytical method for its determination based on stable isotope dilution liquid chromatography electrospray tandem mass spectrometry (ID LC-MS/MS). Isotopically enriched 13 C 15 NCbl was synthesized in-house and used as internal standard...
作者:Wei-Ni Chen , Shiuh-Jen Jiang , Yen-Ling Chen ...
来源:[J].Microchemical Journal(IF 2.879), 2015, Vol.119, pp.128-132
摘要:Abstract(#br)A flow injection vapor generation method is described for the analysis of lipstick for Pb by isotope dilution inductively coupled plasma mass spectrometry (ICP-MS). A sample homogenate was prepared as emulsion containing 1% m/v lipstick, 0.5% m/v K 3 Fe(CN) 6 , 0....

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