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6 results on '"T. P. Stolboushkina"'

1. Developing and testing a certified reference material of the lead mass fraction in solutions for measurements using inductively coupled plasma methods

Author

A. A. Stakheev and T. P. Stolboushkina

Subjects
inductively coupled plasma mass spectrometry, inductively coupled plasma optical emission spectroscopy, water, aqueous solution, standard, reference material, lead, water analysis, inorganic component, Technology
Abstract

For the metrological assurance of the high-precision inductively coupled plasma (ICP) mass spectrometry and optical emission spectroscopy methods, the All-Russian Scientific Research Institute for Optical and Physical Measurements (VNIIFTRI) has launched works on the development of reference materials (RMs) of the mass fraction of metals in solutions specifically intended for measurements using inductively coupled plasma methods (ICP-CRM). The ICP-CRM under development was represented by a solution with the certified value of the lead mass fraction. The ICP-CRM was packed in high-density polyethylene bottles with the capacity of 4, 8, 15, 30, 60 and 125 cm3. The certified value of the lead mass fraction in the solution was established by the preparation method and confirmed by the GET 217-2018 State Primary Standard for units of the mass fraction and mass (molar) concentration of inorganic components in aqueous solutions based on gravimetric and spectral methods. The permissible certified values of the lead mass fraction in the developed ICP-CRM are shown to range from 800 mg / kg to 1200 mg / kg. The uncertainty in the certified value is expressed as expanded uncertainty, U = 0,5 % at 95 % confidence, and is calculated in accordance with ISO/IEC 17025 according to GUM (Guidelines to Uncertainty in Measurement). The developed ICP-CRM solution of the lead mass fraction can be used for ensuring the metrological traceability of measurements in inorganic analyses using ICP-MS and ICP-OES to the GET 217-2018.

Published
2020
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2. GET 217–2018: State Primary Standard of Unit of Mass Fraction and Unit of Mass (Molar) Concentration of Inorganic Components in Aqueous Solutions Based on Gravimetric and Spectral Methods

Author

T. P. Stolboushkina, A. A. Stakheev, and V. I. Dobrovol’skii

Subjects
Materials science, Molar concentration, Aqueous solution, Applied Mathematics, 010401 analytical chemistry, Analytical chemistry, 01 natural sciences, 0104 chemical sciences, Metrology, 010309 optics, Primary standard, 0103 physical sciences, Gravimetric analysis, Spectral method, Instrumentation, Mass fraction, Unit (ring theory)
Abstract

The metrological characteristics of GET 217–2018, the State Primary Standard of the unit of mass fraction and unit of mass (Molar) concentration of inorganic components in aqueous solutions based on gravimetric and spectral methods, are presented. The composition and operating principle of GET 217–2018 and the method used in reproduction and transmission of the two units are described. Information about international key comparisons is presented.

Published
2019
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3. Metal analysis in rice flour

Author

A A Stakheev and T P Stolboushkina

Subjects
History, Computer Science Applications, Education
Abstract

The principal goal of present work was to develop a precise method of Inductively Coupled Plasma Mass Spectrometry (ICP-MS) method to measure trace toxic elements (Cd and Pb) and Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) method to measure macro and micro elements (K and Cu respectively) in rice flour, the sample preparation method using a system for microwave-assisted pressure digestion and the preparation of laboratory plasticware. The parameters of the sample preparation method, of the spectrometers and measurement results are given.

Published
2022
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5. Measurements of sulfur, phosphorus and nickel in biological samples like bovine liver by atomic emission spectroscopy

Author

T P Stolboushkina and A A Stakheev

Subjects
History, Nickel, Thesaurus (information retrieval), chemistry, Phosphorus, Inorganic chemistry, Atomic emission spectroscopy, chemistry.chemical_element, Sulfur, Computer Science Applications, Education
Abstract

The work considers the method of atomic emission spectroscopy, the preparation of laboratory plasticware, the preparation of samples, the parameters of the spectrometer and processing measurement results are given. As confirmation of the correctness of the measurements, the results of the international comparison CCQM-K145 are presented.

Published
2019
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6. Reference materials for inductively coupled plasma methods (ICP standards) produced by VNIIFTRI

Author

A A Stakheev and T P Stolboushkina

Subjects
History, Materials science, Radiochemistry, Inductively coupled plasma, Computer Science Applications, Education
Abstract

For the metrological assurance of the high-precision inductively coupled plasma methods, the Russian Metrological Institute of Technical Physics and Radio Engineering (VNIIFTRI) developed four types of certified reference materials (CRMs) of the mass fraction of metals in solutions (ICP CRM). The permissible certified values of the element mass fraction (mass concentration) in the developed ICP CRM range from 800 mg/kg to 1200 mg/kg (from 800 mg/dm3 to 1200 mg/dm3). The developed ICP CRMs can be used for ensuring the metrological traceability of measurements in inorganic analyses to the State Primary Standard for units of the mass fraction and mass (molar) concentration of inorganic components in aqueous solutions based on gravimetric and spectral methods GET 217-2018.

Published
2019
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