Results 31 to 40 of about 9,172,703 (293)

Solution to Certified Reference Material recipe challenge [PDF]

Analytical and Bioanalytical Chemistry, 2013
The winners of the Certified Reference Material recipe challenge (published in volume 405 issue 13) are: Katherine Sharpless, Chemical Science Division, National Institute of Standards and Technology (NIST), Gaithersburg, MD 208 99, USA and Mallory J. Morris, Department of Chemistry and Biochemistry, Florida State University, Tallahassee, FL 32306-4390
Catherine A, Rimmer, Melissa M, Phillips
openaire   +2 more sources

Construct specification equations: ‘Recipes’ for certified reference materials in cognitive measurement

Measurement: Sensors, 2021
Construct specification equations (CSEs), providing a comprehensive understanding of the construct purported to be measured and how a collection of items works together causally, are candidate ‘recipes for certified reference materials’ (CRM).
J. Melin, S.J. Cano, A. Flöel, L. Göschel, L.R. Pendrill   +4 more
doaj   +1 more source

Preparation of Seven Certified Reference Materials for Floodplain Sediments

Yankuang ceshi, 2018
BACKGROUND Floodplain sediment, which is an important sampling media for geochemical mapping, can represent the average distribution of elements in the basins and has universal applicability. At present, there is no floodplain sediment reference material
LIU Mei, GU Tie-xin, PAN Han-jiang, SUN Bin-bin, HUANG Hong-ku, YANG Rong, YAN Wei-dong   +6 more
doaj   +1 more source

Certified reference material for coal in accordance with the PN-EN ISO 17034:2017-03 standard and ISO GUIDE 35:2017

Environmental & Socio-economic Studies, 2023
Due to an absence of domestic certified reference materials for coal on the Polish market, an attempt was made to manufacture a new and innovative product tailored to its needs.
Więcek Katarzyna, Kocela-Jagiełko Aneta, Szulik Wojciech, Celary Piotr   +3 more
doaj   +1 more source

Reference materials (RMs) for analysis of the human factor II (prothrombin) gene G20210A mutation [PDF]

, 2005
The Scientific Committee of Molecular Biology Techniques (C-MbT) in Clinical Chemistry of the IFCC has initiated a joint project in co-operation with the European Commission, Joint Research Centre, Institute of Reference Materials and Measurements to ...
Tosetto, Alberto, Visvikis, Sophie, RIEGER Sandra, GANCBERG D, Kitchen, Steve, MARKI-ZAY Janos, MANNHALTER C., Schimmel, Heinz G., VISVIKIS S, Gancberg, David, CORBISIER P, REITSMA Pieter, KITCHEN S, TORDAI A, Rieger, Sandra, Halbmayer, Walter-Michael, REITSMA PH, SPANNAGL M, GANCBERG David, Tordai, Attilia, Opplinger Leibundgut, Elisabeth, SPANNAGL Michael, OPPLIGER LEIBUNDGUT E, NEUMAIER Michael, Oppliger Leibundgut, Elisabeth, MELEGH B, CORBISIER Philippe, OLDENBURG Johannes, RIEGER S, Corbisier, Philippe, OLDENBURG J, COOPER S, HALBMAYER Walter-Michael, Cooper, Susan, HALBMAYER WM, COOPER Susan, KITCHEN Steve, MRKI ZAY J, Reitsma, Pieter H., Marki-Zay, János, Gemmati, Donato, TOSETTO A, VISVIKIS Sophie, TORDAI Attila, Melegh, Béla, Zadro, Renata, SCHIMMEL HG, Neumaier, Michael, KLEIN Christoph, SCHIMMEL Heinz, TOSETTO Alberto, Oldenburg, Johannes, MANNHALTER Christine, ZADRO R, Mannhalter, Christine, Klein, Christoph L., MELEGH Bela, NEUMAIER M, Spannagl, Michael, KLEIN CL, OPPLIGER LEIBUNDGUT Elisabeth, Cooper, S., GEMMATI Donato, ZADRO Renata   +63 more
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Approved types of certified reference materials

Стандартные образцы, 2017
В этом разделе продолжается публикация сведений об утвержденных типах стандартных образцов (ГСО), зарегистрированных в Государственном реестре утвержденных типов стандартных образцов в соответствии с ПР 50.2.020-2007 «ГСИ.
S. T. Agisheva
doaj   +2 more sources

Preparation of the Reference Materials for Rb-Sr and Sm-Nd Isotope Analysis

Yankuang ceshi, 2021
BACKGROUND: One Rb-Sr certified reference materials (GBW04411) and one Sm-Nd certified reference materials (GBW04419) for geological age, which are potash feldspar and basalt respectively, were produced and certified about 30 years ago.
TANG Suo-han, LI Jin, PAN Chen-xu, LIU Hui, YAN Bin   +4 more
doaj   +1 more source

Certified Reference Material of Tylosin Tartrate

Measurement Standards. Reference Materials, 2023
To date, antibiotics are often used in the treatment of infectious diseases in medicine and veterinary medicine, as well as growth promoters in animal husbandry. The uncontrolled use of antibiotics leads to antibiotic residues in food products that are easily transmitted to humans through food chains.
A. Yu. Gulyaeva, A. Y. Khrushchev, S. V. Kolyachkina, V. B. Muravieva, S. V. Antonova   +4 more
openaire   +1 more source

Certified Reference Materials Preparation of Ilmenite Chemical Composition

Yankuang ceshi, 2014
At present, there are no ilmenite chemical composition certified reference materials, the closest being of vanadium-titanium magnetite ore composition.
HONG Fei, LIU Yao-hua, LV Zhen-sheng, ZHAO Wei, WANG Qing, ZHANG Ying-ming   +5 more
doaj   +2 more sources

Determination of Major and Minor Elements in High-S Gypsum Mine by X-ray Fluorescence Spectrometry with Fusion Sample Preparation

Yankuang ceshi, 2015
X-ray Fluorescence Spectrometry (XRF) technique has been applied to the determination of non-metallic minerals such as gypsum. However, the method is limited due to the lack of certified reference materials and the high content of sulfur and easy ...
WEI Ling-qiao, SONG Hong-yuan, YI Da, LUO Lei, FU Sheng-bo, HUANG Rui-cheng   +5 more
doaj   +1 more source