Results 21 to 30 of about 470,573 (297)
Development studies of captopril certified reference material
This paper describes the studies performed with the candidate Certified Reference Material (CRM) of captopril, the first CRM of an active pharmaceutical ingredient (API) in Brazil, including determination of impurities (organic, inorganic and volatiles),
Raquel Nogueira +11 more
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Determination and uncertainty estimation of tangeretin purity certified reference material
Certified reference materials (CRMs) with high accuracy and traceability are essential tools for validation of analytical methods and calibration of equipment. They are widely used in various fields and have an important role in analytical science.
Jintao Liu +5 more
semanticscholar +1 more source
Development of Genistein Synthesis for Use as a Certified Reference Material
Introduction. The use of certified reference materials (CRMs) ensures metrological traceability and comparability of analysis results performed in different laboratories, by different analysts, at different times.
A. A. Zhigalina +3 more
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According to the requirements of GB/T 15000—2008 《Directives for the work of reference materials preparation》, the method of preparing reference materials for determination of wheat flour quality curve- stability time is established.
GAO Yan +3 more
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Alkalinity determination by potentiometry: intercalibration using three different methods
Seawater was sampled from different depths in the North Atlantic Ocean (Canary Islands region) and distributed among three different labs for the determination of titration alkalinity.
L Mintrop +4 more
doaj +1 more source
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 +3 more
doaj +1 more source
Application of microbiological (certified) reference materials
The development of microbiological reference materials (RMs) has succesfully led to the certification of six materials (CRMs) and to the production of a wider range of non-certified reference materials. Both materials (RM and CRM) are prepared in the same way.
Mooijman, KA, Havelaar, AH
openaire +2 more sources
Solution to Certified Reference Material recipe challenge [PDF]
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
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Development of a certified reference material for the physical properties of the soil clay (loam)
Introduction. The article presents results of developing a certified reference material for the physical properties of the soil clay (loam). The certified characteristics of the reference material are as follows: moisture content at the liquid limit via ...
I. N. Matveeva, V. V. Tolmachev
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Sr Isotopic Composition of NIES Certified Reference Material No. 28 Urban Aerosols
An interlaboratory study of the National Institute for Environmental Studies (NIES) certified reference material (CRM) No. 28 Urban Aerosols collected from the filters of a central ventilating system in a building in the Beijing city center from 1996 to ...
Akane Yamakawa +10 more
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