Academic literature on the topic 'Interlaboratory comparison study'

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Journal articles on the topic "Interlaboratory comparison study"

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Hendzel, Marilyn R., Bruce W. Fallis, and Brigitte G. E. Demarch. "Interlaboratory Comparison of Analyses for Heavy Metals in Clam Tissue." Journal of AOAC INTERNATIONAL 69, no. 5 (1986): 863–68. http://dx.doi.org/10.1093/jaoac/69.5.863.

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Abstract Results are reported for an interlaboratory study conducted to assess the reproducibility of analyses for lead, copper, cadmium, and zinc. The 10 participating laboratories analyzed 2 samples of freeze-dried clam tissue and 1 disguised sample of NBS Oyster Tissue. Interlaboratory variations were observed for all metals, although the methods yielded reproducible data for Cu and Zn with average interlaboratory coefficients of variation of 15 and 11%, respectively. The performance of methods used for Cd and, more so, for Pb was less than satisfactory. Cadmium levels in the 3 samples rang
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Martínez-Francés, Elena, Bavel Bert van, Rachel Hurley, et al. "Innovative reference materials for method validation in microplastic analysis including interlaboratory comparison exercises." Analytical and Bioanalytical Chemistry 415 (March 22, 2023): 2907–19. https://doi.org/10.1007/s00216-023-04636-4.

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Reference materials (RMs) are vital tools in the validation of methods used to detect environmental pollutants. Microplastics, a relatively new environmental pollutant, require a variety of complex approaches to address their presence in environmental samples. Both interlaboratory comparison (ILC) studies and RMs are essential to support the validation of methods used in microplastic analysis. Presented here are results of quality assurance and quality control (QA/QC) performed on two types of candidate microplastic RMs: dissolvable gelatin capsules and soda tablets. These RMs have been used t
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Chung, In-Young, Oh-Sung Kwon, Dalrae Jin, et al. "Interlaboratory Comparison Study on Polycyclic Aromatic Hydrocarbons in Sediment." Journal of Environmental Analysis, Health and Toxicology 22, no. 4 (2019): 312–18. http://dx.doi.org/10.36278/jeaht.22.4.312.

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Döcke, Wolf-Dietrich, Conny Höflich, Kenneth A. Davis, et al. "Monitoring Temporary Immunodepression by Flow Cytometric Measurement of Monocytic HLA-DR Expression: A Multicenter Standardized Study." Clinical Chemistry 51, no. 12 (2005): 2341–47. http://dx.doi.org/10.1373/clinchem.2005.052639.

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Abstract Background: Single-center trials have shown that monocytic HLA-DR is a good marker for monitoring the severity of temporary immunodepression after trauma, major surgery, or sepsis. A new test for measuring monocytic HLA-DR is now available. Methods: We evaluated a new test reagent set for monocytic HLA-DR expression (BD Quantibrite™ HLA-DR/Monocyte reagent; Becton Dickinson) in single-laboratory and interlaboratory experiments, assessing preanalytical handling, lyse-no-wash (LNW) vs lyse-wash (LW) values, reference values, and the effect of use of different flow cytometers and differe
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Baikhozhayeva, B. U., A. K. Zhumagali, and A. E. Moldakhmetova. "Comparison of ph measurement results in buffer solution." BULLETIN of L.N. Gumilyov Eurasian National University. Technical Science and Technology Series 135, no. 2 (2021): 64–70. http://dx.doi.org/10.32523/2616-7263-2021-135-2-64-70.

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As a result of the increasing need to study the choice of the assigned value during the inter-laboratory comparisons is becoming more and more relevant. Since the assigned value is a reference point when comparing the results of the participants of the qualification test. Frequently, qualification verification providers face a number of problems when choosing the assigned value. An incomplete analysis of the results of interlaboratory comparisons will lead to an inaccurate assessment of the competence of the laboratory, which contributes to the revocation of the certification of the accreditat
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Dominutti, Pamela A., Jean-Luc Jaffrezo, Anouk Marsal, et al. "An interlaboratory comparison to quantify oxidative potential measurement in aerosol particles: challenges and recommendations for harmonisation." Atmospheric Measurement Techniques 18, no. 1 (2025): 177–95. https://doi.org/10.5194/amt-18-177-2025.

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Abstract. This paper presents the findings from a collaborative interlaboratory comparison exercise designed to assess oxidative potential (OP) measurements conducted by 20 laboratories worldwide. This study represents an innovative effort as the first exercise specifically aimed at harmonising this type of OP assay, setting a new benchmark in the field. Over the last decade, there has been a noticeable increase in OP studies, with numerous research groups investigating the effects of exposure to air pollution particles through the evaluation of OP levels. However, the absence of standardised
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McGeehan, Steven, Timothy Baszler, Cynthia Gaskill, et al. "Interlaboratory comparison of heavy metal testing in animal diagnostic specimens and feed using inductively coupled plasma–mass spectrometry." Journal of Veterinary Diagnostic Investigation 32, no. 2 (2020): 291–300. http://dx.doi.org/10.1177/1040638720903115.

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We compared inductively coupled plasma–mass spectrometry (ICP-MS) test results for the analysis of heavy metals (As, Ba, Cd, Hg, Pb, and Se) in pet foods and routine veterinary diagnostic specimens using intralaboratory and interlaboratory comparisons. Four laboratories, 1 principal laboratory and 3 collaborating laboratories, conducted instrument comparison (limit of detection [LOD], limit of quantification [LOQ], and linear dynamic range [LDR] on 24 data sets), in-house method comparison (accuracy and precision on 120 data sets), and interlaboratory comparison (reproducibility on 528 data se
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Sluiter, Justin B., Helena Chum, Absai C. Gomes, et al. "Evaluation of Brazilian Sugarcane Bagasse Characterization: An Interlaboratory Comparison Study." Journal of AOAC INTERNATIONAL 99, no. 3 (2016): 579–85. http://dx.doi.org/10.5740/jaoacint.15-0063.

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Abstract This paper describes a study of the variability of measured composition for a single bulk sugarcane bagasse conducted across eight laboratories using similar analytical methods, with the purpose of determining the expected variation for compositional analysis performed by different laboratories. The results show good agreement of measured composition within a single laboratory, but greater variability when results are compared among laboratories. These interlaboratory variabilities do not seem to be associated with a specific method or technique or any single piece of instrumentation.
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de Jong, A. P., A. Dross, P. Fürst, G. Lindström, O. Päpke, and J. R. Startin. "Interlaboratory comparison study on PCDDs and PCDFs in cow's milk." Fresenius' Journal of Analytical Chemistry 345, no. 1 (1993): 72–77. http://dx.doi.org/10.1007/bf00323330.

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Blum, Carolin, Lothar Opilik, Joanna M. Atkin, et al. "Tip-enhanced Raman spectroscopy - an interlaboratory reproducibility and comparison study." Journal of Raman Spectroscopy 45, no. 1 (2014): 22–31. http://dx.doi.org/10.1002/jrs.4423.

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Dissertations / Theses on the topic "Interlaboratory comparison study"

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FANG, FENG TING, and 馮定方. "Research on Proficiency Testing by Interlaboratory Comparisons-A study of Proficiency Testing for Sieve Analysis of Fine and Coarse Aggregates." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/19032762654031062842.

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碩士<br>正修科技大學<br>營建工程研究所<br>103<br>A proficiency test (PT) is simply a method to validate a particular measurement process. By interlaboratory comparisons, PT is used to determine the performance of individual laboratories for specific tests or measurements, and to monitor the continuing performance of laboratories. The sieve analysis of fine and coarse aggregates is used to assess the particle size distribution in order to determine compliance with design, production control requirements, and verification specifications. In this study, the statistical methods introduced by ISO 13528 were adopt
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Lin, Chiao-Yun, and 林巧雲. "Research on Statistical Methods for Use in Proficiency Testing by Interlaboratory Comparisons-A study of Proficiency Testing for Steel Bar for Concrete Reinforcement." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/64264638597136973071.

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碩士<br>中華大學<br>應用統計學系碩士班<br>99<br>The Taiwan Accreditation Foundation (TAF) is the only national accreditation body in Taiwan at present. Proficiency testing, which is carried out by interlaboratory comparisons, is an important step to qualify the accreditation for a laboratory through specific tests or measurements. Results of proficiency testing for an individual laboratory are not only important indicators of laboratory’s performance but also references of proficiency assessment. In this work, we adopted statistical methods introduced by “National Association of Testing Authorities, Australi
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Books on the topic "Interlaboratory comparison study"

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Terry, Bousquet, and National Council of the Paper Industry for Air and Stream Improvement (U.S.), eds. Results of an interlaboratory study for the comparison of EPA chloroform methods on kraft bleach plant effluents. National Council of the Paper Industry for Air and Stream Improvement, 1999.

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Janzer, Victor J. Results of the U.S. Geological Survey's second international interlaboratory analytical comparison study--standard reference water samples M-86 (major constituents), T-87 (trace constituents), and P-5 (precipitation snowmelt). U.S. Dept. of the Interior, Geological Survey, 1985.

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Janzer, Victor J. Results of the U.S. Geological Survey's second international interlaboratory analytical comparison study--standard reference water samples M-86 (major constituents), T-87 (trace constituents), and P-5 (precipitation snowmelt). U.S. Dept. of the Interior, Geological Survey, 1985.

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Janzer, Victor J. Results of the U.S. Geological Survey's second international interlaboratory analytical comparison study--standard reference water samples M-86 (major constituents), T-87 (trace constituents), and P-5 (precipitation snowmelt). U.S. Dept. of the Interior, Geological Survey, 1985.

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Janzer, Victor J. Results of the U.S. Geological Survey's second international interlaboratory analytical comparison study--standard reference water samples M-86 (major constituents), T-87 (trace constituents), and P-5 (precipitation snowmelt). U.S. Dept. of the Interior, Geological Survey, 1985.

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Janzer, Victor J. Results of the U.S. Geological Survey's second international interlaboratory analytical comparison study--standard reference water samples M-86 (major constituents), T-87 (trace constituents), and P-5 (precipitation snowmelt). U.S. Dept. of the Interior, Geological Survey, 1985.

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Janzer, Victor J. Results of the U.S. Geological Survey's second international interlaboratory analytical comparison study--standard reference water samples M-86 (major constituents), T-87 (trace constituents), and P-5 (precipitation snowmelt). U.S. Dept. of the Interior, Geological Survey, 1985.

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Book chapters on the topic "Interlaboratory comparison study"

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Schächtele, Alexander, Björn Hardebusch, Kerstin Krätschmer, Karin Tschiggfrei, Theresa Zwickel, and Rainer Malisch. "Analysis and Quality Control of WHO- and UNEP-Coordinated Human Milk Studies 2000–2019: Polybrominated Diphenyl Ethers, Hexabromocyclododecanes, Chlorinated Paraffins and Polychlorinated Naphthalenes." In Persistent Organic Pollutants in Human Milk. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-34087-1_6.

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AbstractFour different analytical methods were used for the determination of (1) polybrominated diphenyl ethers (PBDE), (2) hexabromocyclododecanes (HBCDD), (3) chlorinated paraffins (CP) and (4) polychlorinated naphthalenes (PCN) in human milk samples of the WHO/UNEP-coordinated exposure studies. As a laboratory accredited according to EN ISO/IEC 17025, a comprehensive quality control program was applied to assure the reliability of results. This included procedural blanks, the use of numerous quality control samples as in-house reference materials and the participation in proficiency tests (
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Hibbert, D. Brynn. "Interlaboratory Studies." In Quality Assurance in the Analytical Chemistry Laboratory. Oxford University Press, 2007. http://dx.doi.org/10.1093/oso/9780195162127.003.0009.

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No matter how carefully a laboratory scrutinizes its performance with internal quality control procedures, testing against other laboratories increases confidence in a laboratory’s results and among all the laboratories involved in comparison testing. Although without independent knowledge of the value of the measurand it is possible that all the laboratories involved are producing erroneous results, it is also comforting to know that your laboratory is not too different from its peers. An interlaboratory study is a planned series of analyses of a common test material performed by a number of
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Dutta, P. C., M. F. Caboni, U. Diczfalusy, et al. "MEASUREMENTS OF CHOLESTEROL OXIDES IN FOODS: RESULTS OF AN INTERLABORATORY COMPARISON STUDY." In Natural Antioxidants and Anticarcinogens in Nutrition, Health and Disease. Elsevier, 1999. http://dx.doi.org/10.1533/9781845698409.5.309.

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Conference papers on the topic "Interlaboratory comparison study"

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Coyne, S., and Y. Ohno. "IEA 4E SSL ANNEX INTERLABORATORY COMPARISON OF MEASUREMENTS OF TEMPORAL LIGHT MODULATION – PLAN." In CIE Symposium on Advances on the Measurement of Temporal Light Modulation. International Commission on Illumination (CIE), 2022. http://dx.doi.org/10.25039/x49.2022.p06.

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The International Energy Agency (IEA) 4E Solid State Lighting Annex is planning on conducting an Interlaboratory Comparison (IC 2022) for the measurement of temporal light modulation (TLM) from solid state lighting (SSL) products. This work builds on the SSL Annex’s experience from its previous two interlaboratory comparisons (IC 2013, IC 2017) for measurement of SSL products. IC 2022 is organised to compare measured TLM waveform data and calculated short term flicker index (PstLM) in IEC TR 61547-1 and stroboscopic effect visibility measure (SVM, MVS) in IEC TR 63158, of the comparison artefa
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Karpowicz, Jolanta, Jaroslaw Kieliszek, Jaromir Sobiech, Krzysztof Gryz, and Robert Puta. "Sensitivity of the performance statistics provided by ISO 13528:2015 to malfunctions of participants assessing workers' electromagnetic field exposure during interlaboratory comparison: Experimental study." In 2016 International Symposium on Electromagnetic Compatibility - EMC EUROPE. IEEE, 2016. http://dx.doi.org/10.1109/emceurope.2016.7739278.

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Wen Pei, Hong-xiang Tian, and Yu Liu. "Study on the application of robust statistical techniques in interlaboratory comparisons for oil emission spectrometers." In 2010 International Conference on Future Information Technology and Management Engineering (FITME). IEEE, 2010. http://dx.doi.org/10.1109/fitme.2010.5654766.

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Reports on the topic "Interlaboratory comparison study"

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Schantz, Michele M., and John R. Kucklick. Interlaboratory analytical comparison study to support deepwater horizon natural resource damage assessment:. National Institute of Standards and Technology, 2011. http://dx.doi.org/10.6028/nist.ir.7792.

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Schantz, Michele M., and John R. Kucklick. Interlaboratory analytical comparison study to support deepwater horizon natural resource damage assessment :. National Institute of Standards and Technology, 2011. http://dx.doi.org/10.6028/nist.ir.7793.

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Schantz, Michele M., and John R. Kucklick. Interlaboratory analytical comparison study to support deepwater horizon natural resource damage assessment:. National Institute of Standards and Technology, 2011. http://dx.doi.org/10.6028/nist.ir.7819.

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Klemme, Beverly J. Report of multijunction thermal convertor interlaboratory comparison study for measurements at Sandia National Laboratory. Office of Scientific and Technical Information (OSTI), 2009. http://dx.doi.org/10.2172/985497.

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Schantz, Michele M. Interlaboratory Analytical Comparison Study of Fatty Acid Concentrations in Human Serum- Results for Exercise 03: QA16FASER03. National Institute of Standards and Technology, 2016. http://dx.doi.org/10.6028/nist.ir.8146.

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Schantz, Michele M., Carissa D. Powers, and Rosemary L. Schleicher. Interlaboratory Analytical Comparison Study of Total Fatty Acid Concentrations in Human Serum: Results for Exercise 01: QA12FASER01. National Institute of Standards and Technology, 2013. http://dx.doi.org/10.6028/nist.ir.7953.

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Schantz, Michele M. Interlaboratory Analytical Comparison Study of Total Fatty Acid Concentrations in Human Serum: Results for Exercise 02: QA15FASER02. National Institute of Standards and Technology, 2015. http://dx.doi.org/10.6028/nist.ir.8086.

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Kucklick, John R., and Michele M. Schantz. Interlaboratory Comparison Study to Support the Deepwater Horizon Natural Resource Damage Assessment: Description and Results for QA11Blood01- PAHs, PAH Metabolites, and DOSS in Solution and Blood. National Institute of Standards and Technology, 2012. http://dx.doi.org/10.6028/nist.ir.7869.

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Results of the US Geological Survey's second International Interlaboratory Analytical Comparison Study; Standard Reference Water Samples M-86 (major constituents), T-87 (trace constituents), and P-5 (precipitation snowmelt). US Geological Survey, 1985. http://dx.doi.org/10.3133/wri854049.

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