Analytical chemistry

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

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Research article

Ulanova O. D.

Bunkov G. M.

DOI:

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

Issue: № 10 (160) S, 2025

Suggested:

24.08.2025

Accepted:

24.08.2025

Published:

24.10.2025

189

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

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Research article

Shikhaleeva M. A.

DOI:

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

Issue: № 10 (160) S, 2025

Suggested:

10.08.2025

Accepted:

10.08.2025

Published:

24.10.2025

171

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

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Data paper

Repin N. N.

DOI:

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

Issue: № 4 (154), 2025

Suggested:

04.03.2025

Accepted:

10.04.2025

Published:

17.04.2025

686

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

Tyurin S.

Belousova M.

DOI:

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

Issue: № 8 (146), 2024

Suggested:

01.07.2024

Accepted:

01.08.2024

Published:

16.08.2024

1158

The Regularities of Mixed-ligand Complexation of Silver(I) on the Surface of Silica Gel Chemically Modified with Mercaptopropyl Groups with Sulfur-Containing Reagents

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Research article

DOI:

https://doi.org/10.23670/IRJ.2023.127.143

Issue: № 1 (127), 2023

Suggested:

29.11.2022

Accepted:

11.01.2023

Published:

24.01.2023

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