Analytical chemistry

Spring Changes In The Chemical Composition Of Eutrophicated Water Bodies, On The Example Of Lake Kapustikha In Muravyov Park For Sustainable Nature Use And Environmental Education

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Research article

Чагарова О. В.0009-0006-2253-470X
Косицына О. А.0009-0000-9712-3231
Суняйкина Е. В.

Chagarova O. V.
Kositsina O. A.
Sunyaikina Y. V.

https://doi.org/10.60797/IRJ.2026.163.71

DOI:

https://doi.org/10.60797/IRJ.2026.163.71

EDN:

GBGJGX

Suggested:

15.09.2025

Accepted:

25.12.2025

Published:

23.01.2026

Issue: № 1 (163), 2026

Rightholder: authors. License: Attribution 4.0 International (CC BY 4.0)

559

Determination of the mass fraction of elements in PUROLITE C160 ion exchange resin using X-ray fluorescence analysis

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Research article

Уланова О. Д.
Абрамов А. В.0000-0002-7491-7693
Буньков Г. М.

Ulanova O. D.
Abramov A. V.
Bunkov G. M.

https://doi.org/10.60797/IRJ.2025.160s.36

DOI:

https://doi.org/10.60797/IRJ.2025.160s.36

EDN:

LZCOKQ

Suggested:

24.08.2025

Accepted:

24.08.2025

Published:

24.10.2025

Issue: № 10 (160) S, 2025

Rightholder: authors. License: Attribution 4.0 International (CC BY 4.0)

733

Creation of certified mixtures of substances for chemical analysis of diatomite and vanadium catalysts

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Research article

Печищев И. В.0009-0009-3385-8103
Шихалеева М. А.
Абрамов А. В.0000-0002-7491-7693

Pechishchev I. V.
Shikhaleeva M. A.
Abramov A. V.

https://doi.org/10.60797/IRJ.2025.160s.24

DOI:

https://doi.org/10.60797/IRJ.2025.160s.24

EDN:

JTTRWJ

Suggested:

10.08.2025

Accepted:

10.08.2025

Published:

24.10.2025

Issue: № 10 (160) S, 2025

Rightholder: authors. License: Attribution 4.0 International (CC BY 4.0)

584

Comparative analysis of the quantitative composition of excipients of the drug Bisoprolol

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Data paper

Репин Н. Н.

Repin N. N.

https://doi.org/10.60797/IRJ.2025.154.63

DOI:

https://doi.org/10.60797/IRJ.2025.154.63

EDN:

GDZWGQ

Suggested:

04.03.2025

Accepted:

10.04.2025

Published:

17.04.2025

Issue: № 4 (154), 2025

Rightholder: authors. License: Attribution 4.0 International (CC BY 4.0)

1172

Comparative analysis of spectrophotometric and atomic absorption methods for the determination of total iron in archaeological finds of bog ore

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Research article

Волкова Н. В.0009-0009-8949-4791
Тюрин Сергей
Белоусова Маргарита

Volkova N. V.
Tyurin S.
Belousova M.

https://doi.org/10.60797/IRJ.2024.146.139

DOI:

https://doi.org/10.60797/IRJ.2024.146.139

EDN:

MBOWLD

Suggested:

01.07.2024

Accepted:

01.08.2024

Published:

16.08.2024

Issue: № 8 (146), 2024

Rightholder: authors. License: Attribution 4.0 International (CC BY 4.0)

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