Aqueous Dispersions of Polypropylene: Toward Reference Materials for Characterizing Nanoplastics.
Sign Up to like & getrecommendations! Published in 2022 at "Macromolecular rapid communications"
DOI: 10.1002/marc.202200874
Abstract: Microplastics and nanoplastics pollute the natural environment all over the world, but the full extent of the hazards posed by this waste is unclear. While research on microplastics is well advanced, little work has been… read more here.
Keywords: dispersions polypropylene; toward reference; aqueous dispersions; reference materials ... See more keywords
Development and strategy of reference materials for the DNA-based detection of genetically modified organisms
Sign Up to like & getrecommendations! Published in 2019 at "Analytical and Bioanalytical Chemistry"
DOI: 10.1007/s00216-019-01576-w
Abstract: The enforcement of GMO labeling regulations requires validated analytical methods and certified reference materials (CRMs). The early labeling regulations stipulated that the GMO content should be expressed as percentage, but did not specify what unit… read more here.
Keywords: strategy reference; reference materials; unit; reference ... See more keywords
Tessier sequential extraction on 17 elements from three marine sediment certified reference materials (HISS-1, MESS-4, and PACS-3)
Sign Up to like & getrecommendations! Published in 2020 at "Analytical and Bioanalytical Chemistry"
DOI: 10.1007/s00216-020-03063-z
Abstract: The four-step Tessier sequential extraction procedure is a well-known approach used for environmental and geochemical studies in soil and sediments. However, a lack of reference materials limits its use making implementation and quality control cumbersome.… read more here.
Keywords: extraction; reference materials; sequential extraction; tessier sequential ... See more keywords
The production and characterization of SARS-CoV-2 RNA reference material
Sign Up to like & getrecommendations! Published in 2021 at "Analytical and Bioanalytical Chemistry"
DOI: 10.1007/s00216-021-03284-w
Abstract: SARS-CoV-2 in vitro transcribed RNA reference materials (RM), UME RM 2019 and UME RM 2020, were produced by Scientific and Technological Research Council of Turkey (TUBITAK), National Metrology Institute (UME), to be used as a… read more here.
Keywords: reference material; reference materials; reference; sars cov ... See more keywords
From urban dust and marine sediment to Ginkgo biloba and human serum—a top ten list of Standard Reference Materials (SRMs)
Sign Up to like & getrecommendations! Published in 2021 at "Analytical and Bioanalytical Chemistry"
DOI: 10.1007/s00216-021-03527-w
Abstract: During the past 40 years, the National Institute of Standards and Technology (NIST) has developed over 180 natural matrix Standard Reference Materials® (SRMs) for the determination of trace organic constituents in environmental, clinical, food, and… read more here.
Keywords: reference materials; human serum; top ten; materials srms ... See more keywords
Effect of irradiation for sterilization on beverage reference materials for the analysis of food additives
Sign Up to like & getrecommendations! Published in 2018 at "Accreditation and Quality Assurance"
DOI: 10.1007/s00769-018-1359-z
Abstract: Reference materials for proficiency testing (PT) were prepared for 6 years. The target analytes were food additives, sorbic acid, benzoic acid, and propyl p-hydroxybenzoate, in two kinds of commercial beverages. To enhance the stability of PT… read more here.
Keywords: target analytes; irradiation; beverage reference; reference materials ... See more keywords
Fifteenth International Symposium on Biological and Environmental Reference Materials (BERM-15)
Sign Up to like & getrecommendations! Published in 2019 at "Accreditation and Quality Assurance"
DOI: 10.1007/s00769-019-01377-9
Abstract: The 15th International Symposium on Biological and Environmental Reference Materials (BERM-15), organized by BAM, took place at in Berlin in September 2018. An overview on main topics of the conference is given. read more here.
Keywords: biological environmental; reference materials; environmental reference; symposium biological ... See more keywords
The provision and use of traceability statements for reference materials
Sign Up to like & getrecommendations! Published in 2020 at "Accreditation and Quality Assurance"
DOI: 10.1007/s00769-020-01450-8
Abstract: Reference material certificates prepared in accordance with ISO 17034:2016 must include a statement of metrological traceability for each certified value. Users of these materials are required by accreditation bodies and other organisations to request the… read more here.
Keywords: traceability; traceability statements; reference materials; provision ... See more keywords
Application of the 226Ra–230Th–234U and 227Ac–231Pa–235U radiochronometers to uranium certified reference materials
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Radioanalytical and Nuclear Chemistry"
DOI: 10.1007/s10967-017-5619-x
Abstract: Uranium certified reference materials (CRM) issued by New Brunswick Laboratory were subjected to dating using four independent uranium-series radiochronometers. In all cases, there was acceptable agreement between the model ages calculated using the 231Pa–235U, 230Th–234U,… read more here.
Keywords: reference materials; 230th 234u; certified reference; 231pa 235u ... See more keywords
Evaluation of potential monazite reference materials for oxygen isotope analyses by SIMS and laser assisted fluorination
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Geology"
DOI: 10.1016/j.chemgeo.2016.12.031
Abstract: Abstract Monazite can record several episodes of fluid/rock interaction within a single grain. Coupled in situ determination of age and oxygen isotope composition by SIMS (secondary ion mass spectrometer) may characterize such events. Yet, monazite… read more here.
Keywords: oxygen isotope; reference materials; monazite reference; fluorination ... See more keywords
High-precision zirconium stable isotope measurements of geological reference materials as measured by double-spike MC-ICPMS
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Geology"
DOI: 10.1016/j.chemgeo.2018.07.007
Abstract: Abstract Zirconium plays a major role in geochemistry as it is the major cation of zircons - the oldest preserved minerals on Earth. While Zr isotopic anomalies in meteorites have been widely studied, mass dependant… read more here.
Keywords: reference materials; isotope; chemistry; double spike ... See more keywords