Fifth International symposium on biological and environmental reference materials (BERM-5) Peter WagstaffeWayne R. WolfMarcus Stoeppler Editorial Pages: 79 - 80
Present status and future trends in biological and environmental reference materials in China Chai Chifang The International Scene Pages: 93 - 98
New Polish certified reference materials for multielement inorganic trace analysis Rajmund DybczyńskiHalina Polkowska-MotrenkoZygmunt Szopa The International Scene Pages: 99 - 103
COMAR — The international database for certified reference materials Harry KlichRon Walker The World Of Reference Materials Pages: 104 - 106
Developing countries in pursuit of analytical quality control: the need for appropriate reference materials Venkatesh Iyengar The World Of Reference Materials Pages: 107 - 108
The development and use of food reference materials at the Philippine Food and Nutrition Research Institute A. R. AguinaldoT. R. PortugalC. A. Ferolin The World Of Reference Materials Pages: 110 - 111
Micro-heterogeneity of trace elements in reference materials — determination and statistical evaluation U. KurfürstJ. PauwelsH. Muntau Principles Of Certification And New Developments Pages: 112 - 120
Determination of the minimum sample mass of a solid CRM to be used in chemical analysis J. PauwelsC. Vandecasteele Principles Of Certification And New Developments Pages: 121 - 123
Stability of reference materials U. FaureP. J. Wagstaffe Principles Of Certification And New Developments Pages: 124 - 126
Comparability of reference values M. RossbachM. Stoeppler Principles Of Certification And New Developments Pages: 127 - 132
Preparation of biological and environmental reference materials at CBNM G. N. KramerJ. PauwelsJ. J. Belliardo Principles Of Certification And New Developments Pages: 133 - 136
Collection, preparation and characterization of fresh, marine candidate reference materials of the German Environmental Specimen Bank J. D. SchladotF. BackhausM. Roßbach Principles Of Certification And New Developments Pages: 137 - 139
Reference materials and certified reference materials for water and food microbiology E. A. MaierB. GriepinkA. H. Havelaar Principles Of Certification And New Developments Pages: 140 - 143
Review of neutron activation analysis in the standardization and study of reference materials, including its application to radionuclide reference materials A. R. Byrne Principles Of Certification And New Developments Pages: 144 - 151
FDA Quality assurance for radioactivity in foods and radiopharmaceuticals Edmond J. Baratta Novel And General Approaches — Poster Session Pages: 152 - 155
A device for automatic subsampling of soil, sediment and plant material for proficiency testing V. J. G. Houba Novel And General Approaches — Poster Session Pages: 156 - 157
Measurement and standardisation of food colour M. Kent Novel And General Approaches — Poster Session Pages: 158 - 160
Intercomparisons and development of reference materials for short-term mutagenicity testing U. FaureD. P. Lovell Novel And General Approaches — Poster Session Pages: 161 - 163
Multielement analysis with ICP-AES-possibilities for quality control with CRMs C. MohlM. Stoeppler Novel And General Approaches — Poster Session Pages: 164 - 165
About the adequacy of reference materials M. Ryzhinsky Novel And General Approaches — Poster Session Pages: 166 - 168
IAEA Programme of natural matrix reference materials for the determination of radionuclides V. StrachnovV. ValkovicR. Zeisler Novel And General Approaches — Poster Session Pages: 169 - 173
The certification of major components and major elements in five food reference materials Peter C. H. HollmanA. BoenkeP. J. Wagstaffe Food And Agriculture Pages: 174 - 179
Improvements in the determination of vitamins in food through intercomparisons and preparation of RMs for vitamin analysis within the BCR1 programme P. M. FinglasU. FaureP. J. Wagstaffe Food And Agriculture Pages: 180 - 184
Summary of an interlaboratory characterization (certification) campaign to establish the elemental composition of a new series of agricultural/food reference materials Milan IhnatMark S. Wolynetz Food And Agriculture Pages: 185 - 187
Neutron activation analysis of new botanical reference materials — Part I: U.S. NIST Apple and Peach Leaves J. KučeraL. SoukalJ. Horáková Food And Agriculture Pages: 188 - 192
Neutron activation analysis of new botanical reference materials — Part II: evaluation of Czechoslovak green algae, lucerne, wheat and rye bread flour J. KučeraL. Soukal Food And Agriculture Pages: 193 - 197
Certification of cabbage and carnation samples and their use in an international proficiency study I. NovozamskyV. J. G. Houbathe members of CII Food And Agriculture Pages: 198 - 201
The preparation of a cabbage candidate reference material to be certified for residues of agrochemicals Rolf ZeislerVladimir StrachnovRobert Dekner Food And Agriculture Pages: 202 - 206
The preparation of animal samples incurred with residues: CRMs for veterinary drugs and the BCR programme R. J. Heitzman Food And Agriculture Pages: 207 - 208
Certification of matrix representative RMs for various trace organics in food and feed-sources of error and their control A. Boenke Food And Agriculture Pages: 209 - 211
Preparation of mixtures of paralytic shellfish toxin (PSP) standards from mussel hepatopancreas A. AlfonsoM. R. VieytesL. M. Botana Food And Agriculture Pages: 212 - 216
Determination of copper, molybdenum and selenium in biological reference materials by inductively coupled plasma mass spectrometry W. T. BuckleyM. Ihnat Food And Agriculture Pages: 217 - 220
Summary of preparation and homogeneity characterization of ten agricultural food reference materials for elemental composition M. IhnatRobert W. DabekaMark S. Wolynetz Food And Agriculture Pages: 221 - 223
Certification of the aflatoxin B1 content in animal feed Reference Materials and intercomparison with supercritical fluid extraction (SFE) A. BoenkeH. P. van EgmondP. J. Wagstaffe Food And Agriculture Pages: 224 - 226
Quality control with CRMs for trace element determination in candidate reference materials Eva CurdovaCarola MohlPeter Ostapczuk Food And Agriculture Pages: 227 - 229
Interlaboratory quality control for lead determination in wine by potentiometric stripping analysis M. FroningC. MohlP. Ostapczuk Food And Agriculture Pages: 233 - 235
Stability studies of vitamins in three food reference materials P. C. H. HollmannJ. H. SlangenU. Faure Food And Agriculture Pages: 236 - 237
Characterisation of chlorinated hydrocarbons in a third generation candidate fish reference material (Limanda limanda) prepared under cryogenic conditions K. OxynosJ. D. SchladotA. Kettrup Food And Agriculture Pages: 238 - 239
Characterization of a wheat flour reference material (ARC/CL) for twelve elements R. TahvonenJ. Kumpulainen Food And Agriculture Pages: 240 - 242
Microbiological assay for chemical species of selenium in foods utilizing Escherichia coli formate dehydrogenase Elizabeth TschursinWayne R. Wolf Food And Agriculture Pages: 243 - 246
Determination of dietary fibre by the AOAC method in raw and processed vegetables: peas samples M. J. VillanuevaA. RedondoB. Garcia Food And Agriculture Pages: 247 - 249
Preliminary homogeneity study of in-house reference material using neutron activation analysis and X-ray fluorescence N. GrasL. MuñozP. Castillo Food And Agriculture Pages: 250 - 253
Reference materials: global harmonization and the assurance of data quality H. KeuneM. Delve Environmental And Marine RMs Pages: 254 - 255
Czechoslovakian biological certified reference materials and their use in the analytical quality assurance system in a trace element laboratory D. MiholováP. MaderZ. Svatoš Environmental And Marine RMs Pages: 256 - 260
