Evaluation of nonlinear modeling based on artificial neural networks for the spectrophotometric determination of Pd(II) with CPA-mK Gang SunXingguo ChenZhide Hu Original paper Pages: 215 - 219
Mathematical algorithm for qualitative and semiquantitative analysis of petroleum hydrocarbons in solid wastes using on-line gas chromatography R. DonauS. MartenB. Wronski Original paper Pages: 220 - 225
New low-index liquid refractive index standard: SRM 1922 J. R. VerkouterenS. D. Leigh Original paper Pages: 226 - 231
River sediment (S-37) – A new analytical quality control material ensuring comparability of chlorinated hydrocarbon analysis during an international environmental study in China B. M. GawlikD. MartensH. Muntau Original paper Pages: 232 - 240
Amperometric detection studies of Nafion/indium hexacyanoferrate film for the determination of electroinactive cations in ion chromatography Q. XuS. ZhangA. Itoh Original paper Pages: 241 - 245
Preconcentration of trace amounts of silver ion in aqueous samples on octadecyl silica membrane disks modified with hexathia-18-crown-6 and its determination by atomic absorption spectrometry M. ShamsipurM. H. Mashhadizadeh Original paper Pages: 246 - 249
HPLC combined with ICP-MS for the determination of trace amounts of rare earth impurities in high-purity La2O3 by using 2-ethylhexyl hydrogen-2-ethylhexylphosphonate resin as a stationary phase Shuai QinZucheng JiangShenghong Hu Original paper Pages: 250 - 253
Separation and preconcentration combined with glow discharge atomic emission spectrometry for the determination of rare earth elements (La, Nd, Eu, Dy, Y) in geological samples W. HuangB. HuZ. Jiang Original paper Pages: 254 - 258
Direct determination of trace rare earth elements in high purity Y2O3 using fluorination assisted electrothermal vaporization inductively coupled plasma atomic emission spectrometry with slurry sampling B. CaiB. HuZ. Jiang Original paper Pages: 259 - 263
Precise and sensitive determination of nitrite by coulometric backtitration under flow conditions Z. K. HeB. FuhrmannU. Spohn Original paper Pages: 264 - 269
Flow injection spectrophotometric determination of anionic surfactants using methyl orange as chromogenic reagent Qiaohong HeHengwu Chen Original paper Pages: 270 - 274
Estimation of unsaturated hydrocarbon pollutants in air based on selective gas chromatography with ozone T. I. Poznyak Original paper Pages: 275 - 278
A simplified HPTLC screening method for the estimation of the PAH content in soil samples H. KutschU. Schoen Original paper Pages: 279 - 283
Determination of Cu, Pb, Cd, and Zn in river sediment extracts by sequential injection anodic stripping voltammetry with thin mercury film electrode C. L. da SilvaJ. C. Masini Original paper Pages: 284 - 290
Microwave-assisted extraction method for the determination of atrazine and four organophosphorus pesticides in oranges by gas chromatography (GC) A. BouaidA. Martín-EstebanC. Cámara Original paper Pages: 291 - 294
Electrothermal vaporization system using furnace-fusion technique for the determination of lead in botanical samples by inductively coupled plasma atomic emission spectrometry Y. Okamoto Original paper Pages: 295 - 299
Direct determination of lead in biological samples by electrothermal vaporization inductively coupled plasma mass spectrometry (ETV-ICP-MS) after furnace-fusion in the sample cuvette-tungsten boat furnace Y. Okamoto Original paper Pages: 300 - 305