1. Seventh International Symposium on Biological and Environmental Reference Materials (BERM-7)

   • Jean Pauwels
   • M. Stoeppler
   • Wayne R. Wolf

   Editorial 01 February 1998 Pages: 275 - 276

2. Reference materials in the world of tomorrow

   • S. D. Rasberry

   Conference contribution 01 February 1998 Pages: 277 - 281

3. Global activities in the world of reference materials including the needs of developing countries

   • Venkatesh Iyengar
   • Wayne Wolf

   Conference contribution 01 February 1998 Pages: 282 - 286

4. IAEA analytical quality assurance programmes to meet the present and future needs of developing countries

   • R. M. Parr
   • A. Fajgelj
   • P. P. Povinec

   Conference contribution 01 February 1998 Pages: 287 - 290

5. Development and use of reference materials in India – status and plans

   • R. S. Mahwar
   • N. K. Verma
   • D. K. Biswas

   Conference contribution 01 February 1998 Pages: 291 - 295

6. Production and certification of environmental reference materials in Romania

   • S. Duţă

   Conference contribution 01 February 1998 Pages: 296 - 298

7. The production of powdered candidate biological and environmental reference materials in the laboratories of the Joint Research Centre

   • G. N. Kramer
   • H. Muntau
   • J. Pauwels

   Conference contribution 01 February 1998 Pages: 299 - 303

8. Certified reference materials for extractable trace metals in soils: effect of the particle size

   • A. Sahuquillo
   • H. Bosch
   • H. Muntau

   Conference contribution 01 February 1998 Pages: 304 - 307

9. A synopsis of different approaches to the certification of reference materials

   • Milan Ihnat

   Conference contribution 01 February 1998 Pages: 308 - 311

10. Certification strategies for health-related SRMS at NIST

    • M. Welch
    • Jennifer Colbert

    Conference contribution 01 February 1998 Pages: 312 - 316

11. Uncertainty-based evaluation of certification study data

    • W. Hässelbarth
    • W. Bremser
    • R. Pradel

    Conference contribution 01 February 1998 Pages: 317 - 321

12. Reference material certification by prompt-gamma activation analysis

    • Richard M. Lindstrom

    Conference contribution 01 February 1998 Pages: 322 - 324

13. The work of ISO-REMCO’s accreditation task group

    • Ronald F. Walker

    Conference contribution 01 February 1998 Pages: 325 - 326

14. Consensus values for NIST biological and environmental Standard Reference Materials

    • I. Roelandts
    • E. S. Gladney

    Conference contribution 01 February 1998 Pages: 327 - 338

15. Interlaboratory quality assurance studies: Their use in certifying natural waters for major constituents and trace elements

    • H. Alkema
    • Jayne Simser
    • Lisa Hjelm

    Conference contribution 01 February 1998 Pages: 339 - 343

16. Results of a complex round robin test with four river sediments

    • P. Heininger
    • J. Pelzer
    • G. Henrion

    Conference contribution 01 February 1998 Pages: 344 - 347

17. Soil analysis: Western States Proficiency Testing Program for 1996

    • D. Hanson
    • J. Kotuby-Amacher
    • R. O. Miller

    Conference contribution 01 February 1998 Pages: 348 - 350

18. Survey of reference materials for trace elements, nuclides and organic microcontaminants

    • R. M. Parr
    • S. F. Stone
    • R. Zeisler

    Conference contribution 01 February 1998 Pages: 350 - 353

19. Role of NAA in the characterization of sampling behaviors of multiple elements in CRMs

    • Weizhi Tian
    • Bangfa Ni
    • Huiling Nie

    Conference contribution 01 February 1998 Pages: 354 - 355

20. An investigation of homogeneity within micro-areas of IAEA Urban Dust reference materials by the scanning proton microprobe technique

    • Yuanxun Zhang
    • Yingmei Gu
    • Jieqing Zhu

    Conference contribution 01 February 1998 Pages: 356 - 358

21. The study of the stability of reference materials by isochronous measurements

    • A. Lamberty
    • H. Schimmel
    • J. Pauwels

    Conference contribution 01 February 1998 Pages: 359 - 361

22. Influence of storage time and temperature of air-dried soils on pH and extractable nutrients using 0.01 mol/L CaCl2

    • V. J. G. Houba
    • I. Novozamsky

    Conference contribution 01 February 1998 Pages: 362 - 365

23. Are certified reference materials a victim of quality systems? The need for working matrix-certified reference materials

    • P. J. Jenks
    • A. Henk Boekholt
    • Robert D. Rucinski

    Conference contribution 01 February 1998 Pages: 366 - 369

24. Non-use and misinterpretation of CRMs. Can the situation be improved?

    • Lars Jorhem

    Conference contribution 01 February 1998 Pages: 370 - 373

25. Ensuring accuracy in spreadsheet calculations

    • R. M. Lindstrom
    • C. Asvavijnijkulchai

    Conference contribution 01 February 1998 Pages: 374 - 375

26. Reference materials for small-sample analysis

    • R. Zeisler

    Conference contribution 01 February 1998 Pages: 376 - 379

27. Microhomogeneity of candidate reference materials: Comparison of solid sampling Zeeman-AAS with INAA

    • M. Rossbach
    • P. Ostapczuk
    • H. Emons

    Conference contribution 01 February 1998 Pages: 380 - 383

28. Virginia Tobacco Leaves (CTA-VTL-2) – new Polish CRM for inorganic trace analysis including microanalysis

    • R. Dybczyński
    • H. Polkowska-Motrenko
    • Z. Szopa

    Conference contribution 01 February 1998 Pages: 384 - 387

29. Pure substances and a new generation of CRMs for chemical industry

    • Achim Boenke

    Conference contribution 01 February 1998 Pages: 388 - 392

30. Development of porous and dispersed CRM

    • B. Röhl-Kuhn
    • K. Meyer
    • T. Fritz

    Conference contribution 01 February 1998 Pages: 393 - 397

31. Reference materials for long-term environmental programs

    • H. Emons
    • P. Ostapczuk
    • J. D. Schladot

    Conference contribution 01 February 1998 Pages: 398 - 401

32. A set of four soil reference materials with certified values of total element contents and their extractable fractions

    • J. Kučera
    • V. Sychra
    • J. Koubek

    Conference contribution 01 February 1998 Pages: 402 - 405

33. An international interlaboratory study for the production of a sewage sludge certified reference material for routine use in inorganic quality control

    • J. F. N. Maaskant
    • A. H. Boekholt
    • R. D. Rucinski

    Conference contribution 01 February 1998 Pages: 406 - 409

34. A pilot study for the preparation of a new Reference Material based on antarctic krill

    • S. Caroli
    • O. Senofonte
    • G. N. Kramer

    Conference contribution 01 February 1998 Pages: 410 - 414

35. Low uncertainty determination of manganese and vanadium in environmental and biological reference materials by instrumental neutron activation analysis

    • J. Kučera
    • Ladislav Soukal

    Conference contribution 01 February 1998 Pages: 415 - 418

36. Certification of two human hair reference materials issued by the International Atomic Energy Agency

    • S. F. Heller-Zeisler
    • R. M. Parr
    • R. Zeisler

    Conference contribution 01 February 1998 Pages: 419 - 422

37. Determination of 24 elements in four algae reference materials by neutron activation analysis and inductively coupled plasma mass spectrometry

    • Xiaolin Hou
    • Chunsheng Li
    • Chifang Chai

    Conference contribution 01 February 1998 Pages: 423 - 426

38. A quantitative infrared spectral database of hazardous air pollutants

    • P. M. Chu
    • G. C. Rhoderick
    • F. R. Guenther

    Conference contribution 01 February 1998 Pages: 426 - 429

39. Single cell green algae reference materials with managed levels of heavy metals

    • R. Zeisler
    • R. Dekner
    • J. Kučera

    Conference contribution 01 February 1998 Pages: 429 - 432

40. Determination of chlorine and pentachlorophenol in wood

    • G. Bartelt
    • H. G. Buge
    • T. Win

    Conference contribution 01 February 1998 Pages: 433 - 434

41. Examination of a procedure for the production of a simulated filter-based air particulate matter reference material

    • S. F. Heller-Zeisler
    • Ales Fajgelj
    • R. Zeisler

    Conference contribution 01 February 1998 Pages: 435 - 438

42. Proficiency tests using four batches of green alga with controlled levels of cadmium

    • J. Kučera
    • P. Mader
    • V. Štěpánek

    Conference contribution 01 February 1998 Pages: 439 - 442

43. Particle size determination of some IAEA and NIST environmental and biological reference materials

    • A. Fajgelj
    • Rolf Zeisler

    Conference contribution 01 February 1998 Pages: 442 - 445

44. Comparison of some additives used in the preparation of freeze-dried lemon juice candidate reference materials

    • W. Ooghe
    • G. N. Kramer
    • J. Pauwels

    Conference contribution 01 February 1998 Pages: 445 - 448

45. Trace element analysis in CRM of plant origin by inductively coupled plasma mass spectrometry

    • R. Koplík
    • E. E. Curdová
    • M. Suchánek

    Conference contribution 01 February 1998 Pages: 449 - 451

46. Experience with wheat and wheat flour CRMs

    • J. Budai
    • J. Fükő

    Conference contribution 01 February 1998 Pages: 452 - 453

47. Bank of reference samples of blank urine from livestock

    • S. Sterk
    • Frederike van Tricht
    • Leendert van Ginkel

    Conference contribution 01 February 1998 Pages: 454 - 455

48. Recent SRMs for organic and inorganic nutrients in food matrices

    • K. E. Sharpless
    • M. J. Welch
    • J. C. Colbert

    Conference contribution 01 February 1998 Pages: 456 - 458

49. Sampling constants for niacin content in standard reference material 1846 Infant Formula

    • W. R. Wolf
    • Denis E. Lacroix

    Conference contribution 01 February 1998 Pages: 459 - 464

50. Karl Fischer titration A method for determining the true water content of cereals

    • K. Schmitt
    • Heinz-Dieter Isengard

    Conference contribution 01 February 1998 Pages: 465 - 469