Measurement Uncertainty in Chemical Analysis

Front Matter....Pages I-XII
Analytical procedure in terms of measurement (quality) assurance....Pages 1-7
Metrology in chemistry — a public task....Pages 8-12
Chemical metrology, chemistry and the uncertainty of chemical measurements....Pages 13-18
From total allowable error via metrological traceability to uncertainty of measurement of the unbiased result....Pages 19-23
The determination of the uncertainty of reference materials certified by laboratory intercomparison....Pages 24-28
Evaluation of uncertainty of reference materials....Pages 29-33
Should non-significant bias be included in the uncertainty budget?....Pages 34-38
Evaluation of measurement uncertainty for analytical procedures using a linear calibration function....Pages 39-43
Measurement uncertainty distributions and uncertainty propagation by the simulation approach....Pages 44-51
Evaluation of uncertainty utilising the component by component approach....Pages 52-58
Uncertainty — statistical approach, 1/f noise and chaos....Pages 59-63
Calibration uncertainty....Pages 64-69
Measurement uncertainty in microbiological cultivation methods....Pages 70-73
The use of uncertainty estimates of test results in comparisons with acceptance limits....Pages 74-79
A model to set measurement quality objectives and to establish measurement uncertainty expectations in analytical chemistry laboratories using ASTM proficiency test data....Pages 80-87
Uncertainty calculations in the certification of reference materials. 1. Principles of analysis of variance....Pages 88-93
Uncertainty calculations in the certification of reference materials. 2. Homogeneity study....Pages 94-98
Uncertainty calculations in the certification of reference materials 3. Stability study....Pages 99-105
Some aspects of the evaluation of measurement uncertainty using reference materials....Pages 106-112
Uncertainty — The key topic of metrology in chemistry....Pages 113-114
Estimating measurement uncertainty: reconciliation using a cause and effect approach....Pages 115-119
Measurement uncertainty and its implications for collaborative study method validation and method performance parameters....Pages 120-124
Uncertainty in chemical analysis and validation of the analytical method: acid value determination in oils....Pages 125-130
A practical approach to assessment of sampling uncertainty....Pages 131-137
Quality assurance for the analytical data of micro elements in food....Pages 138-142
Customers’ needs in relation to uncertainty and uncertainty budgets....Pages 143-146
Evaluating uncertainty in analytical measurements: the pursuit of correctness....Pages 147-151
A view of uncertainty at the bench analytical level....Pages 152-157
Uncertainty of sampling in chemical analysis....Pages 158-162
Appropriate rather than representative sampling, based on acceptable levels of uncertainty....Pages 163-169
Experimental sensitivity analysis applied to sample preparation uncertainties: are ruggedness tests enough for measurement uncertainty estimates?....Pages 170-173
Relationship between performance characteristics obtained from an interlaboratory study programme and combined measurement uncertainty: a case study....Pages 174-179
The evaluation of measurement uncertainty from method validation studies....Pages 180-186
The evaluation of measurement uncertainty from method validation studies....Pages 187-196
Is the estimation of measurement uncertainty a viable alternative to validation?....Pages 197-200
Validation of the uncertainty evaluation for the determination of metals in solid samples by atomic spectrometry....Pages 201-206
Statistical evaluation of uncertainty for rapid tests with discrete readings — examination of wastes and soils....Pages 207-210
Influence of two grinding methods on the uncertainty of determinations of heavy metals in atomic absorption spectrometry/electrothermal atomisation of plant samples....Pages 211-215
Measurement uncertainty and its meaning in legal metrology of environmental chemistry and public health....Pages 216-222
Uncertainty evaluation in proficiency testing: state-of-the-art, challenges, and perspectives....Pages 223-226
Uncertainty calculation and implementation of the static volumetric method for the preparation of NO and SO 2 standard gas mixtures....Pages 227-236
Assessment of uncertainty in calibration of a gas mass flowmeter....Pages 237-241
Measurement uncertainty — a reliable concept in food analysis and for the use of recovery data?....Pages 242-247
In- and off-laboratory sources of uncertainty in the use of a serum standard reference material as a means of accuracy control in cholesterol determination....Pages 248-251
Assessment of limits of detection and quantitation using calculation of uncertainty in a new method for water determination....Pages 252-256
Study of the uncertainty in gravimetric analysis of the Ba ion....Pages 257-262
Assessment of permissible ranges for results of pH-metric acid number determinations using uncertainty calculation....Pages 263-266
Uncertainty and other metrological parameters of peroxide value determination in vegetable oils....Pages 267-272
Uncertainty of nitrogen determination by the Kjeldahl method....Pages 273-279
Glossary of analytical terms....Pages 280-283