Results 21 to 30 of about 9,172,703 (293)

Development of Genomic DNA Certified Reference Materials for Genetically Modified Rice Kefeng 6 [PDF]

open access: yesACS Omega, 2020
Jun Li   +9 more
doaj   +2 more sources

Development of a certified reference materials for composition of citric acid

open access: yesСтандартные образцы, 2017
The paper presents a summary of analyzing Technical Regulations of the Customs Union TR TC 029/2012 "Safety Requirements for Food Additives, Flavorings and Technological Processing Aids". Information on certified reference materials (RMs) for composition
D. H. Kulev   +4 more
doaj   +1 more source

Certified Reference Material recipe challenge [PDF]

open access: yesAnalytical and Bioanalytical Chemistry, 2013
We would like to invite you to participate in the Ana-lytical Challenge, a series of puzzles to entertain andchallenge our readers. This special feature of “Ana-lytical and Bioanalytical Chemistry” has establisheditself as a truly unique quiz series, with a new scien-tific puzzle published every other month. Readers canaccess the complete collection of
Catherine A, Rimmer, Melissa M, Phillips
openaire   +2 more sources

Preparation of Certified Reference Materials for Soil Limit Water Content

open access: yesYankuang ceshi, 2021
BACKGROUND Soil limit water content is an important basis for fine-grained soil classification and engineering property evaluation. Additionally, it is an important evaluation index for clay exploration and industrial utilization. Inaccurate test results
ZHAO Xiu-feng   +4 more
doaj   +1 more source

Stability of sodium mass fraction in agricultural certified reference materials

open access: yesTalanta Open, 2022
Certified values in reference materials are considered the best estimates of true values, being used for validation and verification of analytical methods.
M.A. Bacchi   +3 more
doaj   +1 more source

243Am certified reference material for mass spectrometry [PDF]

open access: yesJournal of Radioanalytical and Nuclear Chemistry, 2021
AbstractThe Joint Research Centre, in cooperation with the Commissariat à l’Energie Atomique et aux Energies Alternatives, produced a novel243Am spike reference material for mass spectrometry. Americium solution with an isotopic composition of 88%243Am and 12%241Am was used as the source for the preparation of the spike material. The certified value of
Jakopič, Rožle   +11 more
openaire   +3 more sources

Comparison of methods for certification of stannic, stibium and lead traces in reference materials for steel

open access: yesСтандартные образцы, 2017
Development and introduction of new metallurgical technologies, new additional chemical compound indexes controlled in metallurgical materials demand to develop the new, more advanced methods of analytical control. The particular attention should be paid
I. V. Khodakovskaya   +2 more
doaj   +1 more source

Preparation and certification of wheat flour reference material for tenuazonic acid and tentoxin using isotope dilution- liquid chromatography-tandem mass spectrometry

open access: yesZhongguo shipin weisheng zazhi, 2021
ObjectiveA method for the preparation and certification of the reference material of tenuazonic acid(TeA) and tentoxin (TEN) in wheat flour was developed.MethodsThe reference material of TeA and TEN in wheat flour was prepared from grain which naturally ...
XIE Ji'an   +6 more
doaj   +1 more source

Opinion: Multi-Mycotoxin Reference Materials

open access: yesFoods, 2022
The analysis of mycotoxins in food and feed using liquid chromatography coupled with mass spectrometry is considered advantageous because the hyphenated technology enables simultaneous determination of multiple mycotoxins.
Kai Zhang, Melissa Phillips
doaj   +1 more source

Preparation of Trace Gold and Gold Ore Reference Materials

open access: yesYankuang ceshi, 2021
BACKGROUND From 1986 to 2007, different grades of trace gold certified reference materials (background grade, anomaly grade, medium grade and high grade) and mineral gold certified reference materials (mineralization grade, cutoff grade and concentrate ...
YANG Rong   +3 more
doaj   +1 more source

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