Primary reference materials for chemical composition analysis – Proposal for an operational definition Werner Hässelbarth OriginalPaper Pages: 263 - 265
Accurate calibration of TXRF using microdroplet samples L. FabrySiegfried PahlkeLudwig Kotz OriginalPaper Pages: 266 - 270
A simple method for the titration of multicomponent acid-base mixtures T. MoisioM. Heikonen OriginalPaper Pages: 271 - 277
Functional crown ether derivatives as sorbents for ligand exchange chromatography San-Dsong ChyuehC. -Y. Liu OriginalPaper Pages: 278 - 283
Integrated optical NIR-evanescent wave absorbance sensorfor chemical analysis J. BürckB. ZimmermannH. -J. Ache OriginalPaper Pages: 284 - 290
Flow-through sensor based on derivative synchronous fluorescence spectrometry for the simultaneous determination of pyrene, benzo(e)pyrene and benzo(ghi)perylene in water P. CañizaresM. D. Luque de Castro OriginalPaper Pages: 291 - 295
Chlorophyll fluorescence biosensor for the detection of herbicides Daniela MerzMichael GeyerHans-Joachim Ache OriginalPaper Pages: 299 - 305
New concept for the non-invasive determination of physiological glucose concentrations using modulated laser diodes G. SpannerR. Nießner OriginalPaper Pages: 306 - 310
Atomization mechanism and determination of Ag, Be, Cd, Li, Na, Sn and Zn in uranium-plutonium matrices by ETA-AAS Neelam GoyalParu J. PurohitM. D. Sastry OriginalPaper Pages: 311 - 315
Vacuum-thermic extraction (VTE) of toxic and essential elements from rocks with subsequent AAS determination–II N. JordanovY. Ivanova OriginalPaper Pages: 316 - 318
Direct determination of copper and iodine in milk and milk powder in alkaline solution by flow injection inductively coupled plasma mass spectrometry S. StürupArne Büchert OriginalPaper Pages: 323 - 326
Qualitative analysis of green coffee by infrared spectrometry M. SuchánekH. FilipováA. N. Davies OriginalPaper Pages: 327 - 332
Determination of biogenic halogenated methyl-phenyl ethers (halogenated anisoles) in the picogram m−3 range in air Ursula FührerAngela DeißlerK. Ballschmiter OriginalPaper Pages: 333 - 343
Speciation of arsenic in water samples by high-performance liquid chromatography-hydride generation-atomic absorption spectrometry at trace levels using a post-column reaction system J. StummeyerB. HarazimT. Wippermann OriginalPaper Pages: 344 - 351
Immunological determination of triazine pesticides bound to soil humic acids (bound residues) Petra UlrichMichael G. WellerR. Niessner OriginalPaper Pages: 352 - 358
Contributions to the GC-MS-analysis of polyfluorinated dibenzo-p-dioxins (PFDD) Ursula HafferDorte ConradW. Rotard OriginalPaper Pages: 359 - 361
Computer-assisted peak recognition for polychlorinated dibenzo-p-dioxins (PCDD) and polychlorinated dibenzofurans (PCDF) in environmental samples X. M. LiangY. K. ZhangA. Kettrup OriginalPaper Pages: 362 - 366
A factorial design to determine the effects of some variables in the long-term stability of methylmercury standard solutions in water J. LunaM. R. BrunettoM. Gallignani OriginalPaper Pages: 367 - 369
Voltammetric determination of lead, cadmium and copper traces in ammonium fluoride T. Nedeltcheva OriginalPaper Pages: 370 - 371
Spectrophotometric and atomic absorption determination of Ni(II) in fresh and sea waters after preconcentration by flotation M. A. KabilS. E. GhazyN. S. Amar OriginalPaper Pages: 371 - 373
Determination of the O/M ratios of polynary uranium oxides by Ce(IV)-Fe(II) back titration after dissolution in mixed sulphuric and phosphoric acids T. FujinoNobuaki SatoKohta Yamada OriginalPaper Pages: 374 - 375
Quantification of hydroxylic groups in a river humic substance by 29Si-NMR H. HerzogP. BurbaJ. Buddrus OriginalPaper Pages: 375 - 377
Analysis of various very slightly water soluble drugs in micellar medium Prodromos B. Issopoulos OriginalPaper Pages: 378 - 380
High performance liquid chromatography versus gas chromatography in the analysis of proteinaceous painting ligands Guido C. GallettiPaola BocchiniDaniele Fabbri OriginalPaper Pages: 381 - 383
