Statistical approach to the rational selection of experimental subjects Pedro AraujoLivar Frøyland General Paper 26 April 2005 Pages: 185 - 189
Uncertainty of atomic absorption spectrometer Yoshihiro HiranoKyoko ImaiKazuo Yasuda Practitioners Report 21 April 2005 Pages: 190 - 196
Uncertainty in photometric analysis: a case study Julia TraksLilli SooväliIvo Leito Practitioners Report 21 April 2005 Pages: 197 - 207
Reflections regarding uncertainty of measurement, on the results of a Nordic fatigue test interlaboratory comparison Magnus HolmgrenThomas SvenssonKlas Johansson Practitioners Report 21 April 2005 Pages: 208 - 213
Uncertainty in chemical analysis for the example of determination of caffeine in coffee M. KolbS. Hippich Practitioner’s Report 26 April 2005 Pages: 214 - 218
Performance testing activities for analytical assessment of supercritical fluid extractors B. PalenzuelaL. ManganielloM. Valcárcel Practitioner’s Report 02 April 2005 Pages: 219 - 228
Quality criteria of the isotope dilution method for the determination of polycyclic aromatic hydrocarbons, petroleum-derived hydrocarbons and phenol in leachate of large-scale lysimeter experiments Karl-Werner SchrammBernhard HenkelmannDieter Martens Practitioner’s Report 21 April 2005 Pages: 229 - 234
Measurement uncertainty of iodine determination in radiochemical neutron activation analysis Andrej OstercVekoslava Stibilj Practitioner’s Report 02 April 2005 Pages: 235 - 240
Determination of PCBs in river sediment samples—proficiency test for selected Polish laboratories Piotr KonieczkaThomas P. J. LinsingerJacek Namieśnik Practitioner’s Report 30 April 2005 Pages: 241 - 251
Accreditation of reference material producers: an update Henry F. Steger Letter to the Editor 28 April 2005 Pages: 252 - 254
Sampling and uncertainty — Reply to the letters [1,2] to the editor Samuel Wunderli Letter to the Editor 01 April 2005 Pages: 255 - 256
What is relevant in clinical laboratory sciences, goals or requirements? Xavier Fuentes-Arderiu Letter to the Editor 15 April 2005 Pages: 257 - 258
Which changes will be brought about by the new edition of ISO/IEC 17025? Monika Wloka Policies and Concepts 06 April 2005 Pages: 259 - 260
Summary from the workshop “Building an Appropriate Metrology Infrastructure in South Eastern European Countries” Nineta MajcenPiotr RobouchPhilip Taylor Meeting Report 15 April 2005 Pages: 261 - 263
European Analytical Column No. 33 Miguel ValcárcelErnst-Heiner Korte News and Announcements 16 April 2005 Pages: 264 - 265