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Radiochemical measurement uncertainties and correlations phase II [deeper into the rabbit hole]
The art of expressing measurement uncertainties can be a lifelong pursuit. The first three steps are the most difficult to do: (1) describing the...
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Comparing uncertainties—Are they really different?
Uncertainties occur at all stages of a measurement process. Quantification of these uncertainties is important in order to make reliable decisions...
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Effects of efficiency correlations and intensity uncertainties on interference correction for gamma spectrometry
The magnitude of the correlations between data points in efficiency calibration for gamma spectrometry affects the uncertainty from the efficiency...
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A comparison of alternative ISO-11929 compliant detection limit calculations for the case of large systematic uncertainties
The ISO 11929 standard on characteristic limits in measurements of ionizing radiation extends the concept of the detection limit, originally...
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An evaluation of the minor isotope ratio uncertainties based on traceable standards from new brunswick laboratory
Certified reference material (CRM) standards are used for calibration of mass spectrometer instruments, for measurement control, and for validating...
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Use of the Monte Carlo method for the estimation of measurement uncertainty in chemical analysis systems with intensive mathematical treatment
In recent years, the scientific community has made great efforts to establish procedures for the estimation of uncertainty in various measurement...
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Simultaneous Analysis and Uncertainty of Measurement for Pymetrozine, Ethoxyquin, and Cycloxydim in Sweet Pepper using LC–MS/MS
In this paper, we developed an experimental method via LC–MS/MS that enables simultaneous analysis of pymetrozine, ethoxyquin, and cycloxydim, which...
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Precise measurement of Fe isotopes in marine and biological samples by pseudo-high-resolution multi-collector inductively coupled plasma mass spectrometry (MC-ICPMS)
This paper introduces an enhanced technique for analyzing iron isotopes in complex marine and biological samples. A dedicated iron purification...
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Improvement of the characterization uncertainty of a matrix-certified reference material for accurate measurement of H2SiF6 mass fraction in industrial fluorosilicic acid by using a direct measurement procedure
The role of metrology in the industrial and manufacturing sectors is of paramount importance to ensure informed decision-making whether for product...
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Production of a matrix certified reference material for measurement and risk monitoring of clenbuterol in mutton
A novel matrix certified reference material (CRM) for clenbuterol in mutton (GBW 10216) was developed to assist measurement and risk monitoring of...
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Measurement uncertainty of blood alcohol concentration (BAC) by headspace gas chromatography: comparison of different strategies
Analysis of blood alcohol concentration (BAC) is a routine analysis performed in many forensic laboratories. As BAC results are usually contested in...
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Estimation of measurement uncertainty for the quantification of protein by ID-LC–MS/MS
The emergence of mass spectrometry (MS)-based methods to quantify proteins for clinical applications has led to the need for accurate and consistent...
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Comparison study of validation parameters and measurement uncertainty of rapid analytical methods for piperine in black pepper by ultraviolet spectroscopy and high-performance liquid chromatography
Piperine, one of the main constituents of black pepper, is an important marker of black pepper quality because of its bio-activity and characteristic...
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Assessment of liquids homogeneity in storage tanks in the oil industry through the comparison of uncertainties
The assessment of homogeneity of liquids in storage tanks is crucial for quality control products, commercial relations and a salient technological...
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Measurement uncertainty in testing of biologicals in national control laboratories for ISO/IEC 17025: practical approaches
The challenges in estimating measurement uncertainty in the complex matrix of biological systems, while doing compliance testing by National Control...
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GUM guidance on develo** and using measurement models
The GUM suite of documents (Guide to the expression of uncertainty in measurement and related documents) has been expanded with the addition of a new...
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Improved coverage factors for expanded measurement uncertainty calculated from two estimated variance components
Measurement uncertainty (MU) arising at different stages of a measurement process can be estimated using analysis of variance (ANOVA) on replicated...
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Meaningful expression of uncertainty in measurement
The Guide to the expression of uncertainty in measurement (GUM) has been the enduring guide on measurement uncertainty for metrologists since its...
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Validation of an isotope dilution mass spectrometry (IDMS) measurement procedure for the reliable quantification of steroid hormones in waters
Reliable data are compulsory to efficiently monitor pollutants in aquatic environments, particularly steroid hormones that can exert harmful effects...
