247. C. Duran, H.B. Şentürk, L. Elçi, M. Soylak, M. Tüfekçi, Simultaneous Preconcentration of Co(II), Ni(II), Cu(II), and Cd(II) from Environmental Samples on Amberlite XAD-2000 Column and Determination by FAAS, Journal of Hazardous Materials, 162, 292-299(2009).

248. V.N. Bulut, D. Ozdes, O. Bekircan, A. Gundogdu, C. Duran, M. Soylak, Carrier Element-free Coprecipitation (CEFC) Method for Separation, Preconcentration and Speciation of Chromium by Using an Isatin Derivative, Analytica Chimica Acta, 632, 35-41(2009).

249. M. Tuzen, M. Soylak, Multi-element Coprecipitation for Separation and Enrichment of Heavy Metal Ions for their Flame Atomic Absorption Spectrometric Determinations, Journal of Hazardous Materials, 162, 724-729(2009).

250. A. Sarı, D. Mendil, M. Tuzen, M. Soylak, Biosorption of Palladium(II) from Aqueous Solution by Moss (Racomitrium Lanuginosum) Biomass: Equilibrium, Kinetic and Thermodynamic Studies, Journal of Hazardous Materials, 162, 874-879 (2009).

251. M. Tuzen, M. Soylak, D. Citak, H.S. Ferreira, M.G.A. Korn, M.A. Bezerra, A Preconcentration System for Determination of Copper and Nickel in Water and Food Samples Employing Flame Atomic Absorption Spectrometry, Journal of Hazardous Materials, 162, 1041-1045 (2009).

252. F.A. Aydin, M. Soylak, Thulium Hydroxide: a Coprecipitant for Speciation of Chromium in Natural Water Samples, Journal of Hazardous Materials, 162, 1228-1232(2009).

253. M. Ghaedi, A. Shokrollahi, A.H. Kianfar, A. Pourfarokhi, A.S. Mirsadeghi, M. Soylak, Preconcentration and Separation of Trace Amount of Heavy Metal Ions on bis (2-Hydroxy Acetophenone) Ethylendiimine Loaded on Activated Carbon, Journal of Hazardous Materials, 162, 1408-1414 (2009).

254. M. Ghaedi, A. Shokrollahi, K. Niknam, E. Nikman, M. Soylak, Development of Efficient Method for Preconcentration and Determination of Copper, Nickel, Zinc and Iron Ions in Environmental Samples by Combination of Cloud Point Extraction and Flame Atomic Absorption Spectrometry, Central European Journal of Chemistry, 7, 148-154(2009).

255. Y. Yildirim, Z. Gonulalan, I. Narin, M. Soylak, Evaluation of Trace Heavy Metal Levels of Some Fish Species Sold at Retail in Kayseri, Turkey, Environmental Monitoring and Assessment, 149, 223-228(2009).

256. A. Duran, M. Tüzen, M. Soylak, Trace Metal Contents in Chewing Gum and Candy Samples Marketed in Turkey, Turkey,Environmental Monitoring and Assessment, 149, 283-289(2009).

257. C. Duran, V.N. Bulut, A. Gundogdu, M. Soylak, A.O. Belduz, F.S. Beris, Biosorption of Heavy Metals by Anoxybacillus gonensis Immobilized on Diaion HP-2MG, Separation Science and Technology, 44, 335-358 (2009).

258. M. Tuzen, D. Çıtak, D. Mendil, M. Soylak, Arsenic Speciation in Natural Water Samples by Coprecipitation- Hydride Generation Atomic Absorption Spectrometry Combination, Talanta, 78, 52-56(2009).

259. M. Ghaedi, A. Shokrollahi, K. Niknam, M. Soylak, Cloud Point Extraction of Copper, Zinc, Iron and Nickel in Biological and Environmental Samples by Flame Atomic Absorption Spectrometry, Separation Science and Technology, 44, 773-786 (2009).

260. O.D. Uluozlu, M. Tuzen, D. Mendil, M. Soylak, Assessment of Trace Element Contents of Chicken Products from Turkey, Journal of Hazardous Materials, 163, 982-987 (2009).

261. B. Büke, U. Divrikli, M. Soylak, L. Elci, On-Line Preconcentration of Copper as its Pyrocatechol Violet complex on Chromosorb 105 for Flame Atomic Absorption Spectrometric Determinations, Journal of Hazardous Materials, 163, 1298-1302(2009).

262. M. Tuzen, B. Verep, A.O. Ogretmen, M. Soylak, Trace Element Content in Marine Algae Species from the Black Sea, Turkey, Environmental Monitoring and Assessment, 151, 363-368(2009).

263. C. Duran, V.N. Bulut, D. Ozdes, A. Gundogdu, M. Soylak, A Novel Method for Speciation of Chromium: Coprecipitation without Carrier Element by Using a Triazole Derivative, Journal of AOAC International, 92, 257-262(2009).

264. M. Tuzen, M. Soylak, Column Solid Phase Extraction Nickel and Silver in Environmental Samples prior to their Flame Atomic Absorption Spectrometric Determinations, Journal of Hazardous Materials, 164, 1428-1432(2009).

265. M. Tuzen, A. Sarı, D. Mendil, O.D. Uluozlu,M. Soylak, M. Dogan, Characterization of Biosorption Process of As(III) on Green Algae Ulotrix cylindricum Biomass, Journal of Hazardous Materials, 165, 566-572(2009).

266. M. Ghaedi, H. Tavallali, A. Shokrollahi, M. Zahedi, K. Niknam, M. Soylak, Preconcentration and Determination of Zinc and Lead ions by a Combination of Cloud Point Extraction and Flame Atomic Absorption Spectrometry, Clean-Soil Air Water, 37, 328-333(2009).

267. D. Mendil, O.D. Uluozlu,M. Tuzen, M. Soylak, Investigation of the Levels of Some Element in Edible Oil Samples Produced in Turkey by Atomic Absorption Spectrometry, Journal of Hazardous Materials, 165, 724-728(2009).

268. D. Mendil, F. Çelik, M. Tuzen, M. Soylak, Assessment of Trace Metal Levels in Some Moss and Lichen Samples Collected from near the Motorway in Turkey, Journal of Hazardous Materials, 166, 1344-1350 (2009).

269. M. Ghaedi, A. Shokrollahi, H. Tavaloli, F. Zahedi, M. Montazerozohori, M. Soylak, Flame Atomic Absorption Spectrometric Determination of Zinc, Nickel, Iron and Lead in Different Matrixesafter Solid Phase Extraction on Sodium Dodecyl Sulfate (SDS) Coated Alumina as their bis(2-hydroxyacetophenone)-1,3-propanediimine Chelates, Journal of Hazardous Materials, 166, 1441-1448(2009).

270. D. Ozdes, A. Gundogdu, B. Kemer, C. Duran, H.B. Senturk, M. Soylak, Removal of Pb(II) Ions from Aqueous Solution by a Waste Mud from Copper Mine Industry: Equilibrium, Kinetic and Thermodynamic Study, Journal of Hazardous Materials, 166, 1480-1487(2009).

271. M. Ibrahim, A.A. Shaltout, D.E. Atta, A.F. Jalbout, M. Soylak, Removal of COOH, Cd and Pb Using Water Hyacinth: FTIR and Flame Atomic Absorption Study, Journal of the Iranian Chemical Society, 6, 364-372(2009).

272. C. Duran, V.N. Bulut, A. Gundogdu, D. Ozdes, N. Yıldırım, M. Soylak, H.B. Senturk, L. Elçi, Carrier Element-free Coprecipitation (CEFC) with 3-phenly-4-o-hydroxybenzylidenamino-4,5-dihydro-1,2,4-triazole-5-one for Separation/ Preconcentration of Cr(III), Fe(III), Pb(II) and Zn(II) from Aqueous Solutions, Journal of Hazardous Materials, 167, 294-299 (2009).

273. S. Saracoglu, M. Tuzen, M. Soylak, Evaluation of Trace Element Contents of Dried Apricot Samples from Turkey, Journal of Hazardous Materials, 167, 647-652 (2009).

274. M. Tuzen, I. Karaman, D. Citak, M. Soylak, Mercury(II) and Methyl Mercury Determinations in Water and Fish Samples by Using Solid Phase Extraction and Cold Vapour Atomic Absorption Spectrometry Combination, Food and Chemical Toxicology, 47, 1648-1652(2009).

275. M. Ghaedi, A. Shokrollahi, K. Niknam, E. Niknam, S. Derki, M. Soylak, A Cloud Point Extraction Procedure for Preconcentration/Flame Atomic Absorption Spectrometric Determination of Silver, Zinc and Lead at Sub-Trace Levels in Environmental Samples, Journal of AOAC International, 92, 907-913(2009).

276. B. Kemer, D. Ozdes, A. Gundogdu, V.N. Bulut, C. Duran, M. Soylak, Removal of Fluoride Ions from Aqueous Solution by Waste Mud from Copper Mine Industry, Journal of Hazardous Materials, 168, 888-894(2009).

277. M. Ghaedi, A. Shokrollahi, K. Niknam, E. Niknam, A. Najibi, M. Soylak, Cloud Point Extraction and Flame Atomic Absorption Spectrometric Determination of Cadmium(II), Lead(II), Palladium(II) and Silver(I) in Environmental Samples, Journal of Hazardous Materials, 168,1022-1027 (2009).

278. M. Soylak, O. Ercan, Selective Separation and Preconcentration of Copper(II) in Environmental Samples by the Solid Phase Extraction on Multi-walled Carbon Nanotubes, Journal of Hazardous Materials, 168, 1527-1531(2009).

279. M. Tuzen, A. Sari, D. Mendil, M. Soylak, Biosorptive Removal of Mercury(II) from Aqueous Solution Using Lichen (Xanthoparmelia conspersa) Biomass: Kinetic and Equilibrium Studies, Journal of Hazardous Materials, 169, 263-270(2009).

280. M. Tuzen, I. Karaman, D. Çıtak, M. Soylak, Mercury(II) and Methyl Mercury Speciation on Streptococcus Pyogenes Loaded Dowex Optipore SD-2, Journal of Hazardous Materials, 169, 345-350(2009).

281. A. Duran, M. Tuzen, M. Soylak, Preconcentration of Some Trace Elements via Using Multiwalled Carbon Nanotubes as Solid Phase Extraction Adsorbent, Journal of Hazardous Materials, 169, 466-471(2009).

282. A. Gundogdu, D. Ozdes, C. Duran, V.N. Bulut, M. Soylak, H.B. Senturk, Biosorption of Pb(II) Ions from Aqueous Solution by Pine Bark (Pinus Brutia Ten.), Chemical Engineering Journal, 153, 62-69 (2009).

283. U. Divrikli, A. Akdogan, M. Soylak, L. Elci, Factorial Design for Multivariate Optimization of Preconcentration System for Spectrophotometric Phosphorus Determination, Talanta, 79, 1287-1291(2009).

284. M. Ghaedi, R. Shabani, A. Shokrollahi, M. Montazerozohori, A. Sahraiean, M. Soylak, Preconcentration and Separation of Trace Amount of Copper(II) on N¹, N²-bis(4-fluorobenzylidene)ethane-1,2-diamine Loaded on Sepabeads SP70, Journal of Hazardous Materials, 170, 169-174(2009).

  285. D. Citak, M. Tuzen, M. Soylak, Simultaneous Coprecipitation of Lead, Cobalt, Copper, Cadmium, Iron and Nickel in Food Samples with Zirconium(IV) Hydroxide prior to Their Flame Atomic Absorption Spectrometric Determination, Food and Chemical Toxicology, 47, 2302-2307(2009).

286. S. Saracoglu, M. Soylak, L. Elçi, Extractable Trace Metals Contents of Dusts of Air Filters from Vehicles by Sequential Extraction Procedure, Journal of AOAC International, 92, 1196-1202(2009).

287. M. Soylak, Y.E. Unsal, Simultaneous Enrichment-Separation of Metal Ions at Trace Levels from Environmental Samples by Solid Phase Extraction on Double-Walled Carbon Nanotubes and their Determination by Flame Atomic Absorption Spectrometry, Journal of AOAC International, 92, 1219-1224(2009).

288. O.D. Uluozlu, M. Tuzen, M. Soylak, Speciation and Separation of Cr(VI) and Cr(III) Using Coprecipitation with Ni²⁺/2-Nitroso-1-naphthol-4-sulfonic acid and Determination by FAAS in Water and Food Samples, Food and Chemical Toxicology, 47, 2601-2605(2009).

289. H.B. Senturk, D. Ozdes, A. Gundogdu, C. Duran, M. Soylak, Removal of Phenol from Aqueous Solutions by Adsorption onto Organomodified Tirebolu Bentonite: Equilibrium, Kinetic and Thermodynamic Study, Journal of Hazardous Materials, 172, 353-362(2009).

  290. O.D. Uluozlu, M. Tuzen, D. Mendil, B. Kahveci, M. Soylak, 3-Ethyl-4-(p-chlorobenzylidenamino-4,5-dihydro-1H-1,2,4-triazol-5-one (EPHBAT) as Precipitant for Carrier Element Free Coprecipitation and Speciation of Chromium(III) and Chromium(VI), Journal of Hazardous Materials, 172, 395-399(2009).

  291. M. Ghaedi, B. Karami, Sh. Ehsani, F. Marahel, M. Soylak, Preconcentration-separation of Co²⁺, Ni²⁺, Cu²⁺ and Cd²⁺ in Real Samples by Solid Phase Extraction of a Calix[4] resorcinarene Modified Amberlite XAD-16 Resin, Journal of Hazardous Materials, 172, 802-808(2009).

292. M. Ghaedi, K. Niknam, E. Niknam, M. Soylak, Application of Cloud Point Extraction for Copper, Nickel, Zinc and Iron Ions in Environmental Samples, Journal of the Chinese Chemical Society, 56, 981-986(2009).