Accreditation and Quality Assurance

Article	Citations
Assessment of homogeneity and stability of new reference material of passion-flower fruits for proficiency testing: Pesticide residues in purple passion fruit (Passiflora pinnatistipula)	14
Development of a certified reference material for benzo[a]pyrene and benz[a]anthracene in olive oil	13
Paul De Bievre down under: practical metrology in chemistry and its principles	12
Is everything wrong in analytical chemistry? A study on reproducibility	10
A new methodology for proficiency testing scheme interpretation based on residual analysis	10
Is harmonisation of performance assessment in non-quantitative proficiency testing possible/necessary?	8
Proficiency testing in analytical chemistry, microbiology and laboratory medicine: discussions on current practice and future directions	8
Modernizing border quality control in Iraq: A brief perspective of molecular detection technologies at Parwezkhan crossing	7
Approaches for the production of reference materials with qualitative properties—The new International Standard ISO 33406	7
Correction: Certification of the total element mass fractions in UME EnvCRM 03 soil sample via a joint research project	6
Sampling in the context of conformity assessment	6
Human hair certified reference material for total mercury, methylmercury, and trace element analyses	6
Investigation of oil and grease in surface soils of gas station, automobile repair workshop, urban, recreational area, and rural sites using FT-IR	6
Inter-comparability of analytical laboratories in quantifying polycyclic aromatic hydrocarbons collected from industrial emission sources	5
On the measurement uncertainty caused by finite resolution and its relation to the rectangular distribution	5
Quantitative 1H NMR methodology for purity assay with high accuracy	4
Measurement uncertainty of blood alcohol concentration (BAC) by headspace gas chromatography: comparison of different strategies	4
Standardising the quantification of trifluoroacetic acid in water: interlaboratory validation trial using liquid chromatography-mass spectrometric detection (LC–MS/MS)	4
Simultaneous Quantification of Artemether and Lumefantrine in Rat Plasma Using a Validated LC-MS/MS Method	4
Determination of residual protein in commercial human milk oligosaccharides	4
AQbD enabled method development and quantification of asiaticoside in foam-based formulations	4
Proficiency testing interpretation based on analysis of variance method	4
Certification and long-term stability of bromate ion standard solution	3
Identifying risk management challenges in laboratories	3
Improvement of the quality of analytical results generated by GC/MS method for characterization of Helichrysum italicum (Roth) G. Don essential oil	3

Implementing a new risk management culture in a forensic genetics laboratory: first steps	3
Key issues related to the accreditation of academic laboratories	3
Measurement uncertainty in testing of biologicals in national control laboratories for ISO/IEC 17025: practical approaches	3
Information combination and transformation: a paradox and its resolution	3
Insights on the validation of alternative tools for water quality monitoring: the case of on-site test kits, portable devices and continuous measuring devices	3
Provision of chemical proficiency testing round on corn-based snack food for laboratories in the Asia-Pacific	3
A critique to “Target uncertainty: a critical review”	3
Evaluating the measurement uncertainty in determination of the content of benzylpenicillin sodium for injection by acid–base titration	3
Evaluating the measurement uncertainty in content determination of paracetamol granules by ultraviolet spectrophotometry	3
Some pitfalls in the uncertainty evaluation of isotope delta reference materials	3
Extraction and detection of novaluron and lambda-cyhalothrin in cabbage: a modified QuEChERS approach with GC–MS/MS analysis	3
Unlocking the secret to reliable leather test results: the importance of proficiency testing in establishing metrological traceability	3
RP-HPLC-based simultaneous quantification and stability assessment of doxycycline hyclate and aloe-emodin in lipid nanocarriers	3
Robustness comparison of three statistical methods commonly used in Proficiency Tests	2
On testing of the homogeneity of variances for two-side power distribution family	2
Allergenic proteins in wine: an overview of results obtained from proficiency-tests	2
The path to continual improvement and business excellence: compliance to ISO standards versus a business excellence approach	2
Computational insights into the interactions of sofosbuvir and remdesivir with RNA-directed RNA polymerase: ligand screening, docking simulations, and interaction analysis	2
Development of certified reference materials of ethanol in aqueous solution resulting from the participation of GUM in EMPIR 16RPT02 ALCOREF project	2
From VIM3 toward the next edition of the International Vocabulary of Metrology	2
Correction to: Improving performance evaluation via the provision of proficiency testing programmes in Asia–Pacific with metrologically traceable reference values for inorganic elements	2
A case study of measurement uncertainty evaluation: melamine quantification in milk samples by surface enhanced Raman spectroscopy	2
Quality- from adequacy to fitness for purpose	2
Implementation of ISO 9001:2015: quality management system in the university by a verification method	2
Analytical quality by design (AQbD) in the ICHQ14 guidelines for analytical procedure development	2
Indonesian experience in providing accuracy-based proficiency testing scheme using metrologically traceable reference values for elements mass fraction in drinking water	2
Consistency plots: a simple graphical tool for investigating agreement in key comparisons	2
S-score: a new score for binary qualitative proficiency testing schemes interpretable as the z-score	2
Value assignment and uncertainty evaluation for certified reference gas mixtures	2
Improvement of reference gas calorimeter to measure the gross calorific value of the reference methane gas having high purity (99.995 %) and calculation of uncertainty	1
Quantification of antibiotics in imported and local broiler chickens using MS/Q-TOF: a study from Muscat Governorate	1
Feasible stoichiometric reactions for SI traceable bromate assays	1
Validation and measurement uncertainty of rapid and simultaneous determination of 19 elements in drinking water using ICP-MS	1
Quantitative analysis of triterpenoid characteristic components in Rosa laevigata Michx. using HPLC–UV and their potential as neuroprotective bioactive constituents	1
Residual behaviour and dietary risk assessment of combination product of trifloxystrobin and propineb in/on tomato, chilli and apple	1
Design and implementation of electronic reference material document system	1
The PT/EQA community finally meets again!	1
Selection of bacterial strains in a testing microbiology laboratory for quality assurance purposes: ISO/IEC 17025:2017 standard point of view	1
Quality control charts for short or long runs without a training phase. Final part. Performances in the presence of a gradual increase in the mean and slightly autocorrelated data	1
Special Issue in Memory of Paul de Bièvre (1933–2016)	1
Purity analysis of 4-bromodiphenyl ether for reference materials	1
Green metrics-based HPLC method for quantification of three antidiabetic drugs in tablet dosage form using Box–Behnken design	1
Complying with the resource requirements of ISO/IEC 17025:2017 in Indonesian calibration and testing laboratories: current challenges and future directions	1
Comparative analysis of the skin surface lipids between acne patients and controls using UFLC method	1
Appropriate statistical techniques when using consensus statistics to evaluate performance	1
Expression for uncertainty intervals handling skewness when the relative standard uncertainty is independent of the measurand level	1
Assessment of liquids homogeneity in storage tanks in the oil industry through the comparison of uncertainties	1
Development of Certified Reference Materials of Trace Elements in Gold Solution (GBW02797–GBW02800)	1
The comparison of flow rate calibration methods for high-performance liquid chromatography (HPLC) pump	1
Fit-for-purpose (target) measurement uncertainty (answer to reviewer)	1

Efficient delivery of metrological services by institutes through accuracy-based proficiency testing programme on additives in food sauce for laboratories in the Southeast Asian region	1
Strengthening Food Safety in Iraq through proficiency testing: enhancing laboratory competence and quality assurance: a review	1
Target uncertainty: a critical review	1
Evaluating the measurement uncertainty in determination of eugenol content in cloves by gas chromatography	1
Improved residue on ignition method for the mass fraction of inorganic impurities of pure organic substances	1
Optimization of medium composition for production of a simulated urine sample containing Enterococcus faecalis	1
Proficiency testing to evaluate the effectiveness of laboratories analyzing active ingredient in formulation samples	1
Collusion or falsification of results in PT: why does it happen and how can it be prevented?	1
Meaningful expression of uncertainty in measurement	1
Investigation of the effect of antioxidant-added skin care creams on UV-B-induced oxidation in skin simulation environment by spectroscopic and chromatographic analyses	1
Introduction and reflection on the revision of ISO/IEC 17043	0
Association between blood lead levels and socio-demographic factors among outpatient children in Ningbo, China	0
Need for a protocol for performance evaluation of the gas analyzers used in biomethane conformity assessment	0
The optimization approach for uncertainty assessment of the heating value of aviation fuel	0
Certification of the total element mass fractions in UME EnvCRM 03 soil sample via a joint research project	0
Reply to “Facing a shortage of the Latin letters for the prospective new SI symbols: alternative proposal for the new SI prefixes”	0
Pesticide residues in fruits and vegetables in Indonesia: findings of five-year proficiency testing	0
Metrological tools for quality control in distilled beverages with a focus on the development of reference materials and proficiency tests	0
Residue behavior and consumer risk assessment of combination product of betacyfluthrin and imidacloprid on cucumber (Cucumis sativus L.)	0
Validation and measurement uncertainty evaluation of a GC/MS method for the quantification of nine phthalates in tattoo and PMU inks	0
Certification of a novel matrix reference material for accurate measurements of aflatoxin M1 in milk powder	0
Investigation of cylinder pre-treatments for the stability of ammonia gas reference materials	0
Points to consider when establishing an equipment calibration programme in a conventional food microbiology laboratory for ISO/IEC 17025:2017 accreditation purpose	0
Concept for evaluating results close to the participants’ limits of quantification in proficiency tests for elements in food	0
UV spectrophotometry and HPLC quantification of vibegron: evaluating whiteness, greenness, and blueness	0
Investigation of internal standard use for short-term drift correction in ICP-MS/MS	0
Indonesian proficiency testing for electrolytic conductivity measurement of synthetic wastewater: a comparison of performance evaluation based on four standardized performance statistics	0
RP-HPLC-DAD method development and validation of L-lysine hydrochloride: application to bulk drug substance and multivitamin oral suspension	0
HPTLC method for simultaneous determination of rivaroxaban and its aminomethyl process impurity/metabolite	0
Improved coverage factors for expanded measurement uncertainty calculated from two estimated variance components	0
Examining green analytical chemistry approach for development of a gradient HPLC protocol for the simultaneous analysis of pregabalin and duloxetine hydrochloride in capsule dosage form	0
Is the z score sufficient to assess participants’ performance in proficiency testing? The hidden corrective action	0
Quality control charts for short or long runs without a training phase. Part 1. Performances in state of control and in the presence of outliers	0
Correction to: Evaluation of reproducibility uncertainty in micropipette calibrations for non‑nominal volumes through an interlaboratory study	0
A case study for in-house method validation of gas chromatography technique using class-1 calibration gas mixtures for greenhouse gases monitoring	0
Laboratory performances during proficiency tests for the analysis of active substances in pesticide formulations during 2021–2023	0
A new proficiency testing scheme for occupational hygiene laboratories undertaking the analysis of diesel engine particulate emissions	0
Development of benzene, toluene, ethyl benzene, m-xylene, p-xylene and o-xylene (BTEX) gas reference standards for air pollution monitoring in South Africa	0
The conception and initial years of a quality management system based on ISO/IEC 17025: an action research	0
Simultaneous equation method for the estimation of gallic acid and apigenin by UV–visible spectrophotometry	0
Establishment of Cryptococcus neoformans and C. gattii as certified reference materials according to the requirements of ISO 17034:2016	0
(K)ILO project: proficiency tests for students	0
Human health risk assessment of pesticide residues in pointed gourd collected from retail markets of Dhaka City, Bangladesh	0
A proposal of model for a quality management system in research testing laboratories	0
Ten years of an external quality program control in clinical microbiology: a statistical analysis of the results	0
Study of the shutting effect of a liquid thermostat during measurements using a two-electrode electrolytic cell	0
Production and certification of a freeze-dried reference material for human urinary steroids to ensure quality of longitudinal profiling data	0
Risk management approach for testing and calibration laboratories	0
Facing a shortage of the Latin letters for the prospective new SI symbols: alternative proposal for the new SI prefixes	0
A practical two-step procedure for taking into account all available information (prior and current) about influence quantities in measurement uncertainty analysis	0
Impact of the COVID-19 pandemic on accredited conformity assessment bodies: insights from a multinational study	0
A comparison of proficiency testing evaluation criteria approaches for fitness-for-purpose	0
Estimation of the error due to radial displacements in a conductivity cell (jones type)	0
Paradox? What paradox?	0
Metrological technical specification for purity assessment of organic pure substance certified reference materials in China	0
External quality assessment (EQA) combined with on-site technical evaluation for capacity building in clinical microbiology laboratories in Pakistan	0
Application of stochastic Bayesian modeling to assess quality and safety profile of tea in China market	0
On the optimal use of silver–silver chloride reference electrodes	0
Preparation of a reference material for tea containing five pesticide residues and its evaluation in an interlaboratory comparison study in China	0
Quantitative UV spectrophotometric analysis of teriflunomide and quercetin in dual drug-loaded transferosomes using the absorption factor method	0
Proficiency tests for analysis of pesticide residues in kimchi cabbage and ginseng in South Korea from 2008 to 2020	0
Internal audit techniques for testing laboratories: ISO/IEC 17025:2017 perspective	0
Carbon monoxide proficiency testing scheme with metrological traceability	0
The units of rate constants in chemical kinetics	0
Risk analysis approach for PT participation	0
RP-HPLC-UV method for estimation of antiviral drug (Valaciclovir) in pure, solid dosage form and spiked human plasma using MBTH reagent as per ICH guidelines	0
Toward ISO/IEC 17025 compliance: challenges and strategies for a university research laboratory	0
The level of peripheral blood β-hCG concentration is inconsistent with the clinical manifestations of pregnant women: a cautionary tale	0
Use of the Monte Carlo method for the estimation of measurement uncertainty in chemical analysis systems with intensive mathematical treatment	0
Measurement uncertainty from sampling and its role in validation of measurement procedures	0
Comparison of continuous flow analysis and ion chromatography for determinations of nitrate, nitrite and phosphate ions in seawater and development of related seawater certified reference materials	0
Comparing uncertainties—Are they really different?	0
Estimation of uncertainty from duplicate measurements: new quantification procedure in the case of concentration-dependent precision	0
The issue of reporting the measurement uncertainty in accredited tests	0
Impurity analyses for a certified reference material of high-purity sulfur dioxide gas (NMIJ CRM 3402)	0
Risk management: ten years of experience in the organization of the proficiency testing AQUA	0
Trends in the development of proficiency testing for chemical analysis: focus on food and environmental matrices	0
Evaluating the impact of reagent lot changes and environmental factors on quality control consistency in a measles IgM enzyme-linked immunosorbent assay	0
An empirical examination of ISO 9001’s influence on sustained success of companies	0
System proposal for implementation of risk management in the context of ISO/IEC 17025	0

GUM guidance on developing and using measurement models	0
Green chemistry-driven RP-HPLC method for diltiazem and lidocaine hydrochloride in bulk and gel formulations using AQbD	0
Development of RP-HPLC method for determination of amlodipine besylate, metoprolol succinate and telmisartan by integration of box–behnken design and greenness–blueness assessment tools	0
Development of UME CRM 1008: certified reference material for C-reactive protein	0
Compendial testing of antiretroviral drug reference standards for metrologic traceability: Bictegravir and cabotegravir	0
The updated mise en pratique for the definition of the mole	0
On the role of probability in science, analytical measurement and QUAM	0
Combined analytical, eco-friendly, and validated stability indicating method development of tavaborole with the study of its degradants via LC–MS	0
Correction to: Special Issue in Memory of Paul de Bièvre (1933–2016)	0
Evaluation of the 1R6F certified reference cigarette for proficiency testing of mainstream smoke parameters	0
Accreditation of medical laboratories: What is new in ISO 15189:2022	0
Determination of chlorpyrifos using GC-FID in pesticides and human plasma; method validation with greenness assessment	0
True value, error, and measurement uncertainty: two views	0
Optimized RP-HPLC method development and validation for quantification of articaine in bulk and nanostructured lipid carriers using a quality-by-design framework	0
Promotion of metrological traceability through the provision of a metrologically traceable proficiency testing reference value for the mass fraction of benzoic acid in fish sauce	0
New statistical framework for interlaboratory evaluation of anti-doping testing results by WADA	0
Quality control charts for short or long runs without a training phase. Part 2. Performances in the presence of a persistent systematic error and simultaneous small shifts in the mean and the variance	0
Development of new metrology methods for determining major elements in solid biofuels ash and establishment of results’ traceability	0
The role of measurement uncertainty in the validation of a measurement procedure	0
Interlaboratory comparisons of chemical measurements: Quo Vadis?	0
An ID-HPLC–MS/MS based candidate reference measurement procedure for the quantification of valproic acid in human serum	0
A fit-for-purpose nongaseous impurity assay procedure for potential inorganic primary reference materials by inductively coupled plasma mass spectrometry	0
Assessing the performances of on-line analyzers can greatly improve free chlorine monitoring in drinking water	0
Systematic study on the variability in the gasoline sampling process at service stations and its contribution to the measurement variance	0
Uncertainty of measurement of pesticide residues in vegetable products: application of alternative approaches based on quality control data for multi/single residue methods	0
Laboratory glassware cleaning validation in pharmaceutical industry: a case study	0
Development and validation of simultaneous equation method for the estimation of andrographolide and apocynin in hepatoprotective polyherbal formulation using UV–visible spectrophotometry	0
Proficiency test of SARS-CoV-2 Omicron variant detection in diagnostics samples by veterinary diagnostic laboratories	0
Application of ISO 16140-3:2021 standard to verify compact dry BC method in a single food microbiology laboratory	0
The principles of good laboratory practices in biotechnology: multicriteria decision aid (MCDA) as an innovative model for transferring knowledge	0
Comparisons of real versus synthetic proficiency testing items	0
Evaluation of proficiency testing participants uncertainty: use relative uncertainty	0
Bilateral comparison of primary reference materials (PRMs) containing methanol, ethanol and acetone in nitrogen	0
Evaluating the measurement uncertainty in determination of sulfamethoxazole in compound sulfamethoxazole tablets by dual-wavelength spectrophotometry	0
Boxplot fences in proficiency testing	0
Improving performance evaluation via the provision of proficiency testing programmes in Asia–Pacific with metrologically traceable reference values for inorganic elements	0
Error analysis of measurement uncertainty: a snapshot literature review in field of medicine and health in China	0
Implementation of ISO 17034 & Guide 34 in China	0
Highly sensitive validated RP-HPLC–DAD method for simultaneous quantification of doxorubicin and docetaxel: augmenting industrial application	0