Status report: preparing an ambient aerosol filter reference material for elemental analysis U. WätjenM. KriewsW. Dannecker Environmental And Marine RMs Pages: 261 - 264
Problems associated with interlaboratory comparisons of halogenated hydrocarbons in drinking water. The use of commercial control materials Bente A. Nyeland Environmental And Marine RMs Pages: 265 - 269
Development of frozen whale blubber and liver reference materials for the measurement of organic and inorganic contaminants Stephen A. WiseMichele M. SchantzTed I. Lillestolen Environmental And Marine RMs Pages: 270 - 277
Preparation of certified reference materials of traces of chromium and arsenic in high purity water and infant milk powder P. K. GuptaChetna KawKrishan Lal Environmental And Marine RMs Pages: 278 - 281
Projects for the improvement of the quality of chemical speciation analyses in environmental matrices Ph. QuevauvillerE. A. MaierB. Griepink Environmental And Marine RMs Pages: 282 - 286
Considerations in the preparation of biological and environmental reference materials for use in the study of the chemical speciation of trace elements Philip E. Gardiner Environmental And Marine RMs Pages: 287 - 290
Determination of anions in extracts from fresh homogenized environmental specimen bank materials by ion chromatography M. RossbachV. D. Nguyen Environmental And Marine RMs Pages: 291 - 293
Spruce needles: standards and real samples A. WyttenbachS. BajoL. Tobler Environmental And Marine RMs Pages: 294 - 297
Unique quality assurance aspects of INAA for reference material homogeneity and certification Donald A. Becker Environmental And Marine RMs Pages: 298 - 301
Mass-spectrometry of frozen matrix-assisted water in environmental analysis S. AlimpievV. MlinskyA. Stefansky Environmental And Marine RMs Pages: 302 - 303
Element concentrations in candidate biological and environmental reference materials by ko-standardized INAA M. Carmo Freitas Environmental And Marine RMs Pages: 304 - 307
Cadmium determination in wrapping paper P. OstapczukG. KnezevicG. Steinle Environmental And Marine RMs Pages: 308 - 309
The international measurement evaluation programme IMEP-2: Cd in polyethylene A. LambertyP. De BièvreA. Götz Environmental And Marine RMs Pages: 310 - 313
Mercury speciation in blood and brain tissue from monkeys. Interlaboratory comparison of Magos' method with other spectroscopic methods, using alkylation and gas chromatography separation as well as RNAA in combination with Westöö's extraction methods B. LindR. BodyL. Friberg Environmental And Marine RMs Pages: 314 - 317
Interelement correlations detectable in plant samples based on data from reference materials and highly accurate research samples Bernd Markert Environmental And Marine RMs Pages: 318 - 322
Quality control samples for routine use in water laboratories Jill Merry Environmental And Marine RMs Pages: 323 - 324
Standard reference materials for the determination of polycyclic aromatic hydrocarbons in environmental samples — current activities Stephen A. WiseMichele M. SchantzWillie E. May Environmental And Marine RMs Pages: 325 - 329
CBNM - determination of Li in BCR reference materials RM 303 and RM 304 lyophilized serum by isotope dilution mass spectrometry (IDMS) A. LambertyP. De Bièvre Clinical Chemistry And Occupational Health Pages: 330 - 334
Iron, manganese, copper and titanium in welding fume dust on filters for internal and external quality assurance Johan Thomas Bonnevie AnglovErik HolstJytte Molin Christensen Clinical Chemistry And Occupational Health Pages: 335 - 339
Characterisation of biological RMs for potential use in human brain analysis E. AndrásiA. DózsaZs. Molnár Clinical Chemistry And Occupational Health Pages: 340 - 342
Application of a new AMIQAS computer program for integrated quality control, method evaluation and proficiency testing Søren Lykke ChristensenJohan Thomas Bonnevie AnglovOtto Melchior Poulsen Clinical Chemistry And Occupational Health Pages: 343 - 350
