Titlebook: Reference Materials in Measurement and Technology; Proceedings of the F Sergey V. Medvedevskikh,Egor P. Sobina,Mikhail V. Conference proce

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Selection of Materials for Novel Reference Materials of Fluid Viscosity Certified in the Interval oows a wide range of modern instruments for measuring the viscosity of liquids, such as glass capillary viscometers, rotational viscometers, rheometers, etc., to be provided with metrological supervision.

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Development of Reference Materials for Gas Permeability,urement prompted the authors to begin work in this area. Key stages in CRM development are considered: analysis of similar CRMs; selection of starting material; experimental studies and the determination of the metrological characteristics of reference materials on their basis. Alumina ceramic cylin

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Measurement Assurance of Phtalate Content: A Reference Material of Six Priority Phthalates in Methapurity of RM starting materials, preparation procedures, its heterogeneity and long-term instability were taken into account when calculating the uncertainty budget for the RM certified characteristics. The relative expanded uncertainty of certified values does not exceed 2%. As a result, the GSO (C

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Application of Lyophilization for Preparing Reference Materials of Food Composition,ion time for Samples 1 and 2 was 19 and 28 h, respectively. The total weight loss was about 63% and 65% for Sample 1 and Sample 2, respectively. The difference in the values of moisture mass fraction for samples dried on different shelves of a freeze dryer was statistically significant, implying the

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Development of a Metrological Support Complex for the Food Industry,e of nitrogen (protein) mass fraction to be added to CRMs. The successful participation of UNIIM in comparisons resulted in the publication of 6 CMC (calibration and measurement capabilities) lines for the measurement of nitrogen mass fraction in glycine, milk powder, grain, egg powder, porridge, an