The ultra-clean chemical laboratory (UCCL) at the Institute for Reference Materials and Measurements (IRMM) A. LambertyJ. R. MoodyC. Lathen Original Paper Pages: 359 - 363
Molecular laser microprobe mass spectrometric analysis with xerogel matrices Felix A. GuimelfarbElena V. KletskinaMichael N. Philippov Original Paper Pages: 364 - 367
Preparation and properties of a new chelating resin containing imidazolyl azo groups P. ChattopadhyayC. SinhaD. K. Pal Original Paper Pages: 368 - 372
Certification of morphine-3-β-D-glucuronide in a human urine standard reference material Susan S. -C. TaiRichard G. ChristensenMichael J. Welch Original Paper Pages: 373 - 378
Novel surface acoustic wave-interdigitated array electrode gas sensor for dissolved ammonia Kang ChenYuanjin XuShouzhuo Yao Original Paper Pages: 379 - 383
Use of microwave plasma torch atomic emission spectrometry for the determination of silicon Feng LiangHanqi ZhangQinhan Jin Original Paper Pages: 384 - 388
Sensitive and selective determination of mercury by differential pulse stripping voltammetry after accumulation of mercury vapour on a gold plated graphite electrode Mieczysław Korolczuk Original Paper Pages: 389 - 391
Flow injection analysis with amperometric detection for measurements of proton activities in solutions of strong acids and strong bases Anastas Dimitrov Dakashev Original Paper Pages: 392 - 396
Identification of reaction products of mild oxidation of H2S in solution and in solid state by UV-VIS spectroscopy J. MelsheimerR. Schlögl Original Paper Pages: 397 - 400
Simultaneous separation and microdetermination of cobalt(II), nickel(II) and copper(II) M. A. KabilS. E. GhazyY. E. Sherif Original Paper Pages: 401 - 404
The analysis of chromium, cobalt, iron, nickel, niobium, tantalum, titanium and zinc in cemented tungsten carbides with cobalt as a binder by inductively coupled plasma atomic emission spectrometry Tero PiippanenJouko JaatinenJouni Tummavuori Original Paper Pages: 405 - 410
Isolation and determination of dissolved organic sulphur compounds — development of the organic group parameter DOS F. BindeH. -H. Rüttinger Original Paper Pages: 411 - 415
Two-step solvent extraction flow injection system for the determination of anionic surfactants by spectrophotometry Shihua FanZhaolun Fang Original Paper Pages: 416 - 419
Species analysis of automotive carbon particles: Application of XPS for integral analysis of filter samples U. WildN. PfänderR. Schlögl Original Paper Pages: 420 - 428
Simultaneous voltammetric determination of molybdenum and copper in biological samples Stella T. GiroussiAnastasios N. VoulgaropoulosAristomenis Ayiannidis Original Paper Pages: 429 - 432
Spectrophotometric determination of nitrite in natural waters using diazotization-coupling method with column preconcentration on naphthalene supported with ion-pair of tetradecyldimethylbenzyl-ammonium and iodide Masatada SatakeGen-Feng Wang Original Paper Pages: 433 - 438
Distillation, on-line RP C18 preconcentration and HPLC-UV-PCO-CVAAS as a new combination for the determination of methylmercury in sediments and fish tissue Ralf EidenRalf FalterHeinz Friedrich Schöler Original Paper Pages: 439 - 441
Chlorobiphenyl (PCB) composition of extracts of subsurface soil, superficial dust and air from a contaminated landfill L. G. HansenD. GreenB. Bush Original Paper Pages: 442 - 448
Simultaneous determination of drugs in concentration ratios above 40:1 by application of multivariate calibration to absorbance and derivative spectrophotometric signals R. D. BautistaA. I. JiménezJ. J. Arias Original Paper Pages: 449 - 456
Direct copper determination in whole milk, non-fat milk and whey milk by electrothermal atomic absorption spectrometry P. Bermejo BarreraR. Domínguez GonzálezA. Bermejo Barrera Original Paper Pages: 457 - 461
Extraction and separation of scandium salicylate with triphenylphosphine oxide N. G. BhilareV. M. Shinde Short Communications Pages: 462 - 463
Simultaneous determination of chromium (III) and copper (II) by using derivative spectrophotometry with MEDTA H. Seco-LagoJ. Pérez-IglesiasV. González-Rodríguez Short Communications Pages: 464 - 466
Application of microcolumnion chromatography using octadecylsilica immobilized with bovine serum albumin as stationary phase for the determination of inorganic anions Rahmiana ZeinEdison MunafTomoo Miwa Short Communications Pages: 466 - 468