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FIBER OPTICAL SENSORS FOR DETERMINING DOXYCYCLINE IN AQUEOUS SOLUTION, METHODS FOR THEIR PRODUCTION AND METHOD FOR DETERMINING DOXYCYCLINE IN AQUEOUS SOLUTION WITH THEIR HELP
FIBER OPTICAL SENSORS FOR DETERMINING DOXYCYCLINE IN AQUEOUS SOLUTION, METHODS FOR THEIR PRODUCTION AND METHOD FOR DETERMINING DOXYCYCLINE IN AQUEOUS SOLUTION WITH THEIR HELP
FIELD: analytical research.;SUBSTANCE: inventions relate to the field of analytical research, to the analysis of aqueous solutions and can be used to determine doxycycline in them using optical spectroscopy. The first fiber-optic sensor contains an optical fiber made of quartz glass with a length of at least 10.5 cm, the surface of the middle part of which is 1 cm long with a deposited layer of gold 40 nm thick, and is bounded on both sides by a PTFE shell. The second fiber-optic sensor contains an optical fiber made of quartz glass with a length of at least 10.5 cm, the surface of the middle part of which is 1 cm long with a deposited layer of gold 40 nm thick, covered on top with an organometallic frame structure 20 nm thick with the formula Zr6O4(OH)4 as a ligand with 1,4-benzodicarboxylic acid (UIO-66), and is bounded on both sides by a PTFE shell. The ends of the optical fiber of the first and second fiber-optic sensors are the sections for the input and output of radiation. Methods for the manufacture of these fiber-optic sensors and a method for the determination of doxycycline in aqueous solution are proposed.;EFFECT: inventions group allows to determine doxycycline in aqueous solutions.;11 cl, 6 dwg
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