RU2007136413A - METHOD FOR ANALYSIS OF GAS-PRODUCED MATERIAL THERMAL TREATMENT PRODUCTS IN VACUUM - Google Patents
METHOD FOR ANALYSIS OF GAS-PRODUCED MATERIAL THERMAL TREATMENT PRODUCTS IN VACUUM Download PDFInfo
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- RU2007136413A RU2007136413A RU2007136413/28A RU2007136413A RU2007136413A RU 2007136413 A RU2007136413 A RU 2007136413A RU 2007136413/28 A RU2007136413/28 A RU 2007136413/28A RU 2007136413 A RU2007136413 A RU 2007136413A RU 2007136413 A RU2007136413 A RU 2007136413A
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Abstract
1. Способ анализа газообразных продуктов термообработки вещества в вакууме, включающий термообработку навески вещества в вакууме с вымораживанием газообразных продуктов, считывание сигнала термо-э.д.с. лампы-детектора и построение температурной зависимости газовыделения, отличающийся тем, что производят дальнейший анализ продуктов термодеструкции образца, собранных в ловушке, осуществляя контролируемый нагрев ловушки и десорбцию находящихся в ней продуктов, после чего отбирают газовые пробы для спектрального определения вещества в кюветы с требуемой длиной оптического хода лучей и осуществляют спектральный анализ газообразных продуктов. ! 2. Способ анализа газообразных продуктов термообработки вещества в вакууме по п.1, отличающийся тем, что десорбцию продуктов из ловушки производят путем ступенчатого нагрева с отбором проб газа, выделяющихся на каждом этапе нагрева ловушки. ! 3. Способ анализа газообразных продуктов термообработки вещества в вакууме по п.1 или 2, отличающийся тем, что в качестве метода анализа летучих продуктов используется газоадсорбционная и газожидкостная хроматография. ! 4. Способ анализа газообразных продуктов термообработки вещества в вакууме по п.1, отличающийся тем, что труднолетучие продукты, собранные в ловушке и не десорбированные при ее прогреве, подвергают растворению в органических веществах и затем анализируют спектральными методами, методом высокоэффективной жидкостной хроматографии и/или спектроскопии ядерного магнитного резонанса. ! 5. Способ анализа газообразных продуктов термообработки вещества в вакууме по п.3, отличающийся тем, что при отборе проб летучих про1. A method for analyzing gaseous products of heat treatment of a substance in vacuum, including heat treatment of a sample of a substance in vacuum with freezing of gaseous products, reading a signal of thermo-emf. detector tubes and constructing the temperature dependence of gas evolution, characterized in that they further analyze the thermal degradation products of the sample collected in the trap by performing controlled heating of the trap and desorption of the products contained in it, and then gas samples are taken for spectral determination of the substance into cuvettes with the required optical length the course of rays and carry out spectral analysis of gaseous products. ! 2. The method of analysis of gaseous products of heat treatment of a substance in vacuum according to claim 1, characterized in that the desorption of products from the trap is carried out by stepwise heating with sampling of gas released at each stage of heating the trap. ! 3. The method of analysis of gaseous products of heat treatment of a substance in vacuum according to claim 1 or 2, characterized in that gas adsorption and gas-liquid chromatography are used as a method for analyzing volatile products. ! 4. The method for analyzing gaseous products of heat treatment of a substance in vacuum according to claim 1, characterized in that the non-volatile products collected in the trap and not desorbed during its heating are subjected to dissolution in organic substances and then analyzed by spectral methods, high performance liquid chromatography and / or nuclear magnetic resonance spectroscopy. ! 5. The method of analysis of gaseous products of heat treatment of a substance in vacuum according to claim 3, characterized in that when sampling volatile
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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RU2007136413/28A RU2007136413A (en) | 2007-10-01 | 2007-10-01 | METHOD FOR ANALYSIS OF GAS-PRODUCED MATERIAL THERMAL TREATMENT PRODUCTS IN VACUUM |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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RU2007136413/28A RU2007136413A (en) | 2007-10-01 | 2007-10-01 | METHOD FOR ANALYSIS OF GAS-PRODUCED MATERIAL THERMAL TREATMENT PRODUCTS IN VACUUM |
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RU2007136413A true RU2007136413A (en) | 2009-04-10 |
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Application Number | Title | Priority Date | Filing Date |
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RU2007136413/28A RU2007136413A (en) | 2007-10-01 | 2007-10-01 | METHOD FOR ANALYSIS OF GAS-PRODUCED MATERIAL THERMAL TREATMENT PRODUCTS IN VACUUM |
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RU (1) | RU2007136413A (en) |
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2007
- 2007-10-01 RU RU2007136413/28A patent/RU2007136413A/en not_active Application Discontinuation
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Effective date: 20101004 |