Inter-laboratory studies in analytical chemistry

[1]  R. G. Visser,et al.  The Institute for Interlaboratory Studies (i.i.s.) now has formal accreditation for the organisation of proficiency tests , 2000 .

[2]  Michael Thompson,et al.  Recent trends in inter-laboratory precision at ppb and sub-ppb concentrations in relation to fitness for purpose criteria in proficiency testing , 2000 .

[3]  D L Massart,et al.  Nested designs in ruggedness testing. , 1999, Journal of pharmaceutical and biomedical analysis.

[4]  Roger Wood,et al.  How to validate analytical methods , 1999 .

[5]  M. Valcárcel,et al.  Needs for improvement of the measurement infrastructure in Europe , 1999 .

[6]  K. Kramer,et al.  EC initiatives for quality assurance training in analytical chemistry , 1999 .

[7]  G. Kannan,et al.  The correlation of laboratory performance in proficiency testing with other QA characteristics , 1999 .

[8]  Johanna Smeyers-Verbeke,et al.  Comparison of alternative measurement methods , 1999 .

[9]  S. D. Jong,et al.  Handbook of Chemometrics and Qualimetrics , 1998 .

[10]  M. Grasserbauer,et al.  The influence of different evaluation techniques on the results of interlaboratory comparisons , 1998 .

[11]  S. Uhlig,et al.  Statistically-based performance characteristics in laboratory performance studies , 1998 .

[12]  P. Lowthian,et al.  The frequency of rounds in a proficiency test: does it affect the performance of participants? , 1998 .

[13]  S. Uhlig,et al.  Limits of tolerance and z-scores in ring tests , 1997 .

[14]  D. Woollard,et al.  Taurine analysis in milk and infant formulae by liquid chromatography: collaborative study. , 1997, Journal of AOAC International.

[15]  J. L. Mudd,et al.  Interlaboratory comparison of autoradiographic DNA profiling measurements. 4. Protocol effects. , 1997, Analytical chemistry.

[16]  M. Thompson,et al.  The Horwitz function revisited , 1997 .

[17]  W. Horwitz,et al.  Reliability of the determinations of polychlorinated contaminants (biphenyls, dioxins, furans). , 1996, Journal of AOAC International.

[18]  P. Lowthian,et al.  Statistical aspects of proficiency testing in analytical laboratories. Part 2. Testing for sufficient homogeneity , 1996 .

[19]  M Thompson,et al.  Use of proficiency tests to assess the comparative performance of analytical methods: the determination of fat in foodstuffs. , 1996, The Analyst.

[20]  Pentti Minkkinen,et al.  Estimation of variance components from the results of interlaboratory comparisons , 1995 .

[21]  Max Feinberg,et al.  Expression of the reference value for proficiency tests , 1995 .

[22]  P. Lowthian,et al.  A Horwitz-like function describes precision in a proficiency test , 1995 .

[23]  Eric R. Ziegel,et al.  Data Analysis for the Chemical Sciences , 1994 .

[24]  V. Dvorkin Data processing in the interlaboratory test by analysis of covariance , 1994 .

[25]  S. Caroli Certified reference materials : use, manufacture and certification , 1993 .

[26]  Bernard Griepink,et al.  Interlaboratory studies as a tool for many purposes: proficiency testing, learning exercises, quality control and certification of matrix materials , 1993 .

[27]  J. Miller,et al.  Statistics for Analytical Chemistry , 1993 .

[28]  Michael Thompson,et al.  International Harmonized Protocol for Proficiency Testing of (Chemical) Analytical Laboratories , 1993 .

[29]  Philip J Lowthian,et al.  Effectiveness of analytical quality control is related to the subsequent performance of laboratories in proficiency tests , 1993 .

[30]  Tom Fearn,et al.  Efficacy of robust analysis of variance for the interpretation of data from collaborative trials , 1993 .

[31]  P. Finglas,et al.  Intercomparison of methods for the determination of vitamins in foods. Part 1. Fat-soluble vitamins. , 1993, The Analyst.

[32]  R. K. Misra,et al.  Multivariate analysis of a round-robin study on the measurement of chlorobiphenyls in fish oil , 1992 .

[33]  J. M. Christensen,et al.  Comparative study of certified reference materials and quality control materials for the quality assurance of blood-lead determination. , 1992, The Analyst.

[34]  J. Mandel The validation of measurement through interlaboratory studies , 1991 .

[35]  L. Kahana,et al.  What can be achieved in an external quality-assessment scheme with a small number of participants: four years of experience with thyroid-related tests in Israel. , 1991, Clinical chemistry.

[36]  P. Baker,et al.  Guidelines for CIPAC collaborative study procedures for assessment of performance of analytical methods. , 1990 .

[37]  E. Gebhardt Guidelines for the development of standard methods by Collaborative Study, 3. Aufl., zusammengestellt von W. D. Pocklington. 185 Seiten, zahlr. Tab. Laboratory of the Government Chemist. London 1987. Preis: 25, — £ , 1988 .

[38]  U. Graf,et al.  Formeln und Tabellen der angewandten mathematischen Statistik , 1987 .

[39]  W. R. Buckland Outliers in Statistical Data , 1979 .

[40]  W. J Youden,et al.  Statistical Manual of the Association of Official Analytical Chemists , 1984 .

[41]  John Mandel,et al.  Interpretation and Generalization of Youden's Two-Sample Diagram , 1974 .

[42]  F. E. Grubbs,et al.  Extension of Sample Sizes and Percentage Points for Significance Tests of Outlying Observations , 1972 .

[43]  G. Härtler Gottschalk, G.: Einführung in die Grundlagen der chemischen Materialprüfung. S. Hirzel Verlag, Stuttgart 1966, XVI + 188 S., 29 Abb., kart., DM 21,60 , 1969 .

[44]  G. Svehla The application of mathematical statistics to chemical analysis , 1964 .

[45]  W. J. Langford Statistical Methods , 1959, Nature.