Cumulative Index to June 2009
Technical Brief Index, June 2009
PDF (210k)  

Analysis of asbestos-containing materials by light microscopy
No. 43. October 2009
PDF (434k)  

The importance, for regulation, of uncertainty from sampling
No. 42. October 2009
PDF (68k)  

Portable X-ray fluorescence analysis
No. 41, June 2009
PDF (208k)  

The Duplicate Method for the estimation of measurement uncertainty arising from sampling
No. 40, June 2009
PDF (173k)  

Rogues and Suspects: How to Tackle Outliers
No 39, March 2009
PDF (80k)  

Significance, importance and power
No 38, March 2009
PDF (96k)  

Standard additions: myth and reality
No 37, March 2009
PDF (156k)  

Experimental Design and Optimisation (3): Some Fractional Factorial Designs
No 36, February 2009
PDF (101k)  

DNA - an analytical chemist's view
No 35, Re-issued March 2009
PDF (218k)  

High-performance liquid chromatography/mass spectrometry (LC/MS)
No 34, November 2008
PDF (65k)  

MCERTS: The Environment Agency's Monitoring Certification Scheme
No 33 October 2008
PDF (147k)  

Optimising your uncertainty - a case study
No 32, July 2008
PDF (144k)  

Measurement Uncertainty arising from sampling: the new Eurachem Guide
No 31, July 2008
PDF (89k)  

The standard deviation of the sum of several variables
No 30 April 2008
PDF (100k)  

CHNS Elemental Analysers
No 29 April 2008
PDF (84k)  

Using analytical instruments and systems in a regulated environment
No. 28, September 2007
PDF (72k)  

Why are we weighting?
No 27, June 2007
PDF (112k)  

Measurement uncertainty and confidence intervals near natural limits
No 26A Former AMC Recommendation re-issued as a Technical Brief in September 2008
PDF (146k)  

Experimental design and optimisation (2): handling uncontrolled factors
No. 26, December 2006
PDF (66k)  

How good were analysts in the good old days before instrumentation?
No. 25, October 2006
PDF (94k)  

Experimental design and optimisation (1): an introduction to some basic concepts
No. 24, June 2006
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Mixture models for describing multimodal data
No. 23, March 2006
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Uncertainties in concentrations estimated from calibration experiments
No. 22, March 2006
PDF (79k)  

The estimation and use of recovery factors
No 21A Former AMC Recommendation re-issued as a Technical Brief in September 2008
PDF (69k)  

Energy-dispersive X-ray fluorescence spectrometry (EDXRF)
No. 21, September 2005
PDF (83k)  

Analytical and sampling strategy, fitness for purpose, and computer games
No. 20, August 2005
PDF (102k)  

General and specific fitness functions for proficiency tests and other purposes - clarifying an old idea
No 19A Former AMC Recommendation re-issued as a Technical Brief in September 2008
PDF (111k)  

Terminology - the key to understanding analytical science. Part 21: Sampling and sample preparation
No. 19, March 2005
PDF (77k)  

What is proficiency testing? A guide for end-users of chemical data
No 18A. Former Background Paper reissued as Tachnical Brief 18A, July 2008
PDF (65k)  

GMO Proficiency testing: Interpreting z-scores derived from log-transformed data
No. 18, December 2004
PDF (68k)  

Test for 'sufficient homogeneity' in a reference material
No 17A Former AMC Recommendation re-issued as a Technical Brief in September 2008
PDF (92k)  

The amazing Horwitz function
No. 17, July 2004
PDF (164k)  

What is uncertainty from sampling, and why is it important?
No 16A. Former Background Paper reissued as Technical Brief 16A, July 2008
PDF (68k)  

Proficiency testing: assessing z-scores in the longer term
No. 16, April 2004 revised April 2007
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Is my uncertainty estimate realistic?
No. 15, December 2003
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A glimpse into Bayesian statistics
No. 14, October 2003
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Terminology - the key to understanding analytical science: Part 1: Accuracy, precision and uncertainty
No. 13, September 2003
PDF (164k)  

The J-chart: a simple plot that combines the capabilities of Shewhart and cusum charts, for use in analytical quality control
No. 12, March 2003
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Understanding and acting on scores obtained in proficiency testing schemes
No 11, December 2002
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Fitting a linear functional relationship to data with error on both variables
No 10, March 2002
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A simple fitness-for-purpose control chart based on duplicate results obtained from routine test materials
No 9, February 2002
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The Bootstrap: A Simple Approach to Estimating Standard Errors and Confidence Intervals when Theory Fails
No 8, August 2001
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Nitrogen factors
No 7, May 2001
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Robust statistics: a method of coping with outliers
No 6, April 2001
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What should be done with results below the detection limit?
No 5, April 2001
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Representing data distributions with kernel density estimates
No 4, Revised March 2006
PDF (75k)  

Is my calibration linear?
No 3, Revised December 2005
PDF (123k)  

The zL-score--combining your proficiency test results with your own fitness for purpose criterion
No 2, Revised December 2005
PDF (49k)