International Scientific Journals
of Scientific Technical Union of Mechanical Engineering "Industry 4.0"

In this paper, the results of the DTA-TGA, SEM-EDS, and FTIR analysis of the corn silk are presented. The DTA-TGA analysis shows that the decomposition of corn silk has several stages which are manifested with corresponding peaks on obtained DTA-TGA curves. SEM-EDS analysis was performed before and after the adsorption of copper ions. It has shown that untreated corn silk has a non-uniform structure, consisting of channels and cavities of irregular orientation, which facilitates the penetration of the water phase into the adsorbent structure, and incorporation of copper ions in the internal active sites. After the adsorption of Cu2+ ions, the structure becomes more compact, and uniform, as a result of the incorporation of copper ions into the molecular structure of the corn silk. FTIR analysis shows that ion exchange is not the dominant mechanism of binding copper ions to the active sites in the molecular structure of the corn silk, but also chemisorption and physical adsorption is present.

XRD, SEM-EDS and FTIR were used for studying stable products of nuclear reactions of “branching decay” in LiF exposed to  intensive 1.17 and 1.33 MeV 60Co y-radiation to dose 109 R and mixed neutron+y-fluxes of WWR to fluencies 1017-1018cm-2: 19F9 + y -> 11B5 + 7Li3 + 1H1 or -> 16О8 + 3Т1 and 19F9 + 1n0 -> 20Ne10 or ->210B5 in addition to the known 6Li(n,a)3T. The main part of impact radiation is absorbed in micron subsurface layer, so the following radiation induced structure-phase transformations are highly inhomogeneous: hillocks of LiF-B2O3 and LiBH, LiO2 nanofilm and LiH nanocones are detected on LiF surface. It explains impossibility of annealing LiF-detectors

We have tested typical samples of fuel (diesel, gasoline, technical gasoline and a mixture of unknown fuel). For fuel analysis we have used an analyzer IROX DIESE with an in-built infrared interferometer of Michelson’s type. The results proved that within a wavemeter from 650 up to 1800 cm-1 for each fuel there is a typical infrared spectrum. This spectrum can be compared with human fingerprints. It is possible to positively identify the majority of fuels with the usage of these spectra. Moreover in case of unknown mixture, it is possible to use these spectra for determination of their mutual ratio.