BASED ON NATURAL ALUMOSILICATE AND DIACETOPHENONYLSELENIDE
Studying the morphology and particle sizes of physical substances is relevant for understanding their structure, predicting the expected and identifying new effects in the development of composite materials. The paper presents material on the investigation of the structure of natural aluminosilicate - bentonite of the Tarn-Varsky deposit of the Republic of Tatarstan, organically bound selenium - diacetophenonylselenide with a pure selenium content of 25%, and the composition based on them - Seleben. The morphology of bentonite, diacetophenonylselenide and selebene was studied by light microscopy, particle size by scanning probe microscopy, and the structure of selebene by the method of synchronous thermal analysis. It is shown that the structure of bentonite is represented by particles of polygonal shape with dimensions less than 0.002 mm, united in conglomerates. In the bentonite structure, 5% of the particles had dimensions of 120.0-300.0 nm, up to 65% of the particles had dimensions of 350-400.0 nm and 30% of the particles were 0.8-2.2 μm. Single individual conglomerates with sizes up to 8.0-10.0 μm were encountered. Diacetophenonylselenide was represented by cylindrical particles with dimensions of 0.13 ± 0.05 mm, or fragments of the cylinder. The edges of the cylinders had an uneven, coarsely chipped surface, sometimes the edges ended in a piciform shape. Two types of formations were distinguished in the structure of diacetophenonylselenide: 80% of the particles were 5.0-8.0 μm in size and 20% of the particles were larger than 13.0 μm. In the study of the structure of Celebene, it was established that the cylinders of diacetophenonylselenide were covered with smaller particles of bentonite, with the formation of dumbbell figures at the ends of the cylinders. Externally, the particles of the sieben were visualized by a dumbbell or clavate shape, with dimensions of 0.16 ± 0.07 mm. Combined DSC-TGA curves show that the object is not similar to bentonite and diacetophenonylselenide, has acquired new physical and chemical properties, and therefore its effect on the animal's organism will be different compared to the initial materials. By changing the structure and size of the particles of Seleben it is possible to conclude that the known biological effects of bentonite and diacetophenonylselenide on living organisms are enhanced or even predicted.