Issue of Universum: Chemistry and Biology 9(135)

DOI - 10.32743/UniChem.2025.135.9

The issue was published on September 7, 2025.

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Issue Articles

RESEARCH OF THE TECHNOLOGY OF ENRICHMENT OF HANDIZA POLYMETAL ORE TO OBTAIN A COPPER CONCENTRATE

Хасанов А.С. Хакимов К.Ж. Соатов Б.Ш.

06.08.2025 495

01. Inorganic Chemistry

DEVELOPMENT OF NEW METHODS FOR THE DETERMINATION OF MOLYBDENUM IONS IN WATER AND SEASONAL QUANTITATIVE ANALYSIS OF THESE IONS

Джураева М.Э. Сманова З.А. Атаходжаева М.А. Якубходжаева М.Р.

05.08.2025 629

02. Analytical Chemistry

ELECTROCHEMICAL TRANSFORMATIONS OF PARACETAMOL IN A WEAKLY ACIDIC ENVIRONMENT

Rajabova Sh. Qutlimurotova N.H. Mahmadoliyev S. Rajabova G.

14.08.2025 558

02. Analytical Chemistry

CHEMICAL AND ECOLOGICAL CHARACTERIZATION OF MUD VOLCANOES IN THE SOUTHERN PART OF GOBUSTAN

Hajiyeva S. Aliyeva T. Shakhnazarova N. Jafarova N.

23.08.2025 589

02. Analytical Chemistry

SELECTIVE EXTRACTION OF COBALT FROM CADMIUM-COBALT-NICKEL CAKE (JSC "ALMALYKSKY MMC")

Мирзахмедов Р.М. Жураев Ф.Х. Холикулов Д.Б.

26.08.2025 445

02. Analytical Chemistry

SELECTIVE BROMINATION OF 3-DIMETHYLAMINOPROPIONITRILE AND THE SYNTHESIS OF ITS REACTIVE DERIVATIVES

Abdullaeva N.A.

12.08.2025 439

03. Organic Chemistry

STUDY OF SORPTION CAPACITY OF CHITOSANS MODIFIED WITH ORGANOBENTONITE

Алиева М.Т. Холтураева Н.Р. Ганибекова М.Ф.

27.08.2025 425

04. Physical Chemistry

SYNTHESIS OF ISOCYANATE-FREE URETHANE OLIGOMER BASED ON ETHYLENE GLYCOL

Зайниева Р.Б. Киёмов Ш.Н.

27.08.2025 468

06. High-molecular compounds

QUANTITATIVE DETERMINATION OF AGLICONE FLAVONOIDS OF Tripleurospermum disciforme FLORA OF UZBEKISTAN

Рахимбердиева Ш.Р. Охундедаев Б.С. Нишанбаев С.З.

31.08.2025 381

09. Bioorganic Chemistry

DETERMINATION OF HEAVY METALS AND CR AND PB IONS IN SOIL BY MASS SPECTROMETRIC METHODS

Mamedova M. Ziyodullayeva U. Smanova Z. Abdullayeva M.

28.08.2025 621

09. Bioorganic Chemistry

MINERAL COMPOSITION OF Zingiber officinale Roscoe RHIZOMES AND THEIR APPLICATIONS IN MEDICINE

Nuraddinova M.B. Pirimova M. Islomov A.X. Asqarov I.R.

27.08.2025 578

09. Bioorganic Chemistry

MINERAL COMPOSITION OF CORN STIGMAS (Zea mays L.) AND THEIR IMPORTANCE FOR HUMAN HEALTH

Аскаров И.Р. Абдугаппаров Ф.С.

25.08.2025 427

09. Bioorganic Chemistry

STUDY OF MACRO- AND MICROELEMENTS IN THE SEEDS OF Artemisia absinthium AND Trigonella foenum-graecum

Исмоилов М.Ю. Толипов Х.Т.

11.08.2025 549

09. Bioorganic Chemistry

SYNTHESIS AND PROPERTIES OF HIGH-MOLECULAR WEIGHT SURFACTANTS BASED ON ACRYLIC AND MALEIC ACIDS DERIVATIVES

Курбанбаева А.Э. Латха М.Ш. Джумабоев Р.А.

13.08.2025 427

10. Colloid chemistry

ISOTHERM AND DIFFERENTIAL ENTHALPY OF HYDROGEN SULFIDE ADSORPTION ON AN ACTIVATED SORBENT DERIVED FROM HYBRID TOMENTOSA WOOD

Kokhkharov M. Sultonov A. Jumaeva D. Kholmedov K. Ganiev A. Ochilova O.

28.08.2025 573

10. Colloid chemistry

DEVELOPMENT OF A METHOD FOR THE ENVIRONMENTALLY FRIENDLY TREATING OF OIL SLUDGE WASTE WITH A MIXTURE OF Fe2(SO4)3 И Al2(SO4)3 SOLUTIONS

Hajiyeva S. Bayramov G. Osmanova T.

30.08.2025 518

12. Petrochemicals

DEVELOPMENT AND VALIDATION OF A METHOD FOR THE QUANTITATIVE DETERMINATION OF METHYLENE DIPHOSPHONIC ACID IN THE RADIOPHARMACEUTICAL DRUG “MEDRONIC, 99MTC”

Рихсиев А.З. Cадиков И.И. Зикиров М.

12.08.2025 388

13. Radiochemistry

STUDY OF ANTI-RADICAL ACTIVITY OF MIXTURES OF CHAMOMILE (Matricaria Chamomilla) AND OAK BARK (Corticis Quercus) IN VARIOUS RATIO

Askarov I.R. Otakhonov Q.Q. Abdulloyev O.Sh. Razzakov Z.N.

18.08.2025 526

15. Medicinal chemistry

REPRODUCTIVE DEVELOPMENT AND FECUNDITY OF MOZAMBIQUE TILAPIA (Oreochromis mossambicus) IN AQUACULTURE OF THE REPUBLIC OF KARAKALPAKSTAN

Жолдасбаев А.М. Темирбеков Р.О. Исраилова И.О.

29.08.2025 454

32. Ichthyology