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Results 1 to 25 of 1822

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Studies on sample preconcentration in ion chromatography. IV: Effect of sample loading parameters on the preconcentration processHADDAD, P. R; JACKSON, P. E.Journal of chromatography. 1986, Vol 367, Num 2, pp 301-309, issn 0021-9673Article

Studies on sample preconcentration in ion chromatography. V: Effect of the ion-exchange capacity of the concentrator columnJACKSON, P. E; HADDAD, P. R.Journal of chromatography. 1987, Vol 389, Num 1, pp 65-74, issn 0021-9673Article

A Simple and Rapid Dispersive Liquid―Liquid Microextraction Based on Solidification of Floating Organic Drop Method Combined with Flame Atomic Absorption Spectrometry for Preconcentration and Determination of CopperMIRZAEI, Mohammad; BEHZADI, Mavsoureh.Journal of AOAC International. 2013, Vol 96, Num 2, pp 441-446, issn 1060-3271, 6 p.Article

Determination of Trace Amounts of Cu2+, Ni2+, and Mn2+ Ions After Preconcentration onto PAN-Immobilized Organo Nanoclay as a New SorbentAFZALI, Daryoush; MOSTAFAVI, Ali.Journal of AOAC International. 2008, Vol 91, Num 6, pp 1430-1434, issn 1060-3271, 5 p.Article

The pros of protein standardisationJENSEN, M.Dairy industries international. 1994, Vol 59, Num 2, pp 27-29, issn 0308-8197, 2 p.Article

Determination of Ultratrace Amounts of Ce3+ in the Presence of Sm3+, La3+, Dy3+, and Yb3+ in Water and Soils by Inductively Coupled Plasma-Optical Emission Spectroscopy After Preconcentration with Thio-Functionalized MCM-41 at Controlled pHSABERYAN, Kamal.Journal of AOAC International. 2009, Vol 92, Num 2, pp 555-560, issn 1060-3271, 6 p.Article

Adsorptive Preconcentration of Uranium in Hydrogels from Seawater and Aqueous SolutionsDAS, Sadananda; PANDEY, Ashok K; VASUDEVAN, T et al.Industrial & engineering chemistry research. 2009, Vol 48, Num 14, pp 6789-6796, issn 0888-5885, 8 p.Article

Separation and preconcentration of Cd(II) from chloride solutions using supported liquid membranes systemsFONTAS, Claudia; PONT, Nuria; HIDALGO, Manuela et al.Desalination (Amsterdam). 2006, Vol 200, Num 1-3, pp 114-116, issn 0011-9164, 3 p.Conference Paper

Synthesis and Application of Glutaric Dihydrazide Modified Multiwalled Carbon Nanotubes for Selective Solid-Phase Extraction and Preconcentration of Cu(II), Zn(II), Ni(II), and Fe(III)TAVALLALI, Hossein; ZAHMATKESH, Saeed; AALAEI, Mehdi et al.Journal of AOAC International. 2012, Vol 95, Num 3, pp 897-902, issn 1060-3271, 6 p.Article

Monitoring of Carboxylic Carbon Nanotubes in Surface Water by Using Multiwalled Carbon Nanotube-Modified Filter As Preconcentration UnitSUAREZ, Beatriz; MOLINER-MARTINEZ, Yolanda; CARDENAS, Soledad et al.Environmental science & technology. 2008, Vol 42, Num 16, pp 6100-6104, issn 0013-936X, 5 p.Article

Highly sensitive semi-quantitative field test for the determination of chromium (VI) in aqueous samplesFRENZEL, W.Fresenius' journal of analytical chemistry. 1998, Vol 361, Num 8, pp 774-779, issn 0937-0633Article

On-line Raman spectroscopy of ribonucleotides preconcentrated by capillary isotachophoresisWALKER, P. A; KOWALCHYK, W. K; MORRIS, M. D et al.Analytical chemistry (Washington, DC). 1995, Vol 67, Num 23, pp 4255-4260, issn 0003-2700Article

Banana Peel Applied to the Solid Phase Extraction of Copper and Lead from River Water: Preconcentration of Metal Ions with a Fruit WasteCASTRO, Renata S. D; CAETANO, Laércio; FERREIRA, Guilherme et al.Industrial & engineering chemistry research. 2011, Vol 50, Num 6, pp 3446-3451, issn 0888-5885, 6 p.Article

Flame Atomic Absorption Determination of Trace Amounts of Cadmium After Preconcentration Using a Thiol-Containing Task-Specific Ionic LiquidMOHAMADI, Maryam; MOSTAFAVI, Ali.Journal of AOAC International. 2011, Vol 94, Num 3, pp 959-967, issn 1060-3271, 9 p.Article

Multiresidue Analysis of 95 Pesticides at Low Nanogram/Liter Levels in Surface Waters Using Online Preconcentration and High Performance Liquid Chromatography/Tandem Mass SpectrometryJANSSON, Christer; KREUGER, Jenny.Journal of AOAC International. 2010, Vol 93, Num 6, pp 1732-1747, issn 1060-3271, 16 p.Article

Selective separation and preconcentration of cyanide by a column packed with cyanide-imprinted polymeric microbeadsSAY, Ridvan; ERSÖZ, Arzu; TÜRK, Hayrettin et al.Separation and purification technology. 2004, Vol 40, Num 1, pp 9-14, issn 1383-5866, 6 p.Article

Properly design pre-concentration solar pansSWEDAN, N. H.Chemical engineering progress. 1999, Vol 95, Num 7, pp 65-68, issn 0360-7275Article

Determination of small quantities of nitrogen oxides in air by ion chromatography using a chromatomembrane cell for preconcentrationERXLEBEN, H; MOSKVIN, L. N; NIKITINA, T. G et al.Fresenius' journal of analytical chemistry. 1998, Vol 361, Num 3, pp 324-325, issn 0937-0633Conference Paper

Preconcentration of an Italian talc by magnetic separation and attritionPIGA, L; MARRUZZO, G.International journal of mineral processing. 1992, Vol 35, Num 3-4, pp 291-297, issn 0301-7516Article

Anion exchangers functionalized by chelating reagents (AnChel) for preconcentration of trace elements : capabilities and limitationsBURBA, P.Fresenius' journal of analytical chemistry. 1991, Vol 341, Num 12, pp 709-715, issn 0937-0633Conference Paper

Preparation and analytical properties of a chelating resin loaded with thionalideJADWIGA CHWASTOWSKA; ZMIJEWSKA, W; STERLINSKA, E et al.Analytica chimica acta. 1993, Vol 276, Num 2, pp 265-270, issn 0003-2670Article

Preconcentration and Determination of Aromatic Amines with Temperature-Controlled Ionic Liquid Dispersive Liquid Phase Microextraction in Combination with High Performance Liquid ChromatographyQINGXIANG ZHOU; YUANTUAN GAO; JUNKING XIAO et al.Journal of AOAC International. 2012, Vol 95, Num 5, pp 1534-1540, issn 1060-3271, 7 p.Article

On-line sorption-based systems for determination of cadmium with atomic spectrometry detectorsPYRZYNSKA, Krystyna; KILIAN, Krzysztof.Water research (Oxford). 2007, Vol 41, Num 13, pp 2839-2851, issn 0043-1354, 13 p.Article

The influence of ozone on light nonmethane hydrocarbons during cryogenic preconcentrationKOPPMANN, R; JOHNEN, F. J; KHEDIM, A et al.Journal of geophysical research. 1995, Vol 100, Num D6, pp 11383-11391, issn 0148-0227Article

Adsorptive preconcentration for voltammetric measurements of trace levels of chlorprothixenePENG TUZHI; YANG ZHONGPING; LI HUIPING et al.Analyst (London. 1877. Print). 1991, Vol 116, Num 7, pp 727-730, issn 0003-2654Article

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