GOST 12329-2021
ГОСТ 12329-2021
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Petroleum products and hydrocarbon solvents. Determination of aniline point of aromatic hydrocarbons. Valve freeze method Method for determination of aniline point and aromatic hydrocarbons
Нефтепродукты и углеводородные растворители. Метод определения анилиновой точки и ароматических углеводородов
Status: Accepted
This standard establishes a method for determining the aniline point or aniline point of a mixture. The method applies to transparent, light petroleum products and hydrocarbon solvents no darker than 6.5 according to GOST ISO 2049 (see also [1]) with a boiling point above room temperature, whose aniline point is below the boiling point and above the pour point of the mixture "aniline sample". The method is also used to determine the aniline point of a mixture of petroleum products and hydrocarbon solvents that have aniline points below the temperature at which the aniline crystallizes from the "aniline-sample" mixture. Aniline point (or aniline point of the mixture) is used when characterizing pure hydrocarbons and analyzing hydrocarbon mixtures. Aromatic hydrocarbons have the lowest values, and paraffins have the highest values of the aniline point. Cycloparaffins and olefins have intermediate values of the aniline point. In homologous series, the aniline points increase as the molecular weight increases. Although the aniline point can be used in combination with other physical properties in correlation methods for hydrocarbon analysis, it is most commonly used to estimate the content of aromatic hydrocarbons
Настоящий стандарт устанавливает метод определения анилиновой точки или анилиновой точки смеси. Метод распространяется на прозрачные, светлые нефтепродукты и углеводородные растворители не темнее 6,5 по ГОСТ ISO 2049 (см. также [1]) с температурой начала кипения выше комнатной температуры, анилиновая точка которых ниже температуры начала кипения и выше температуры застывания смеси «анилин-проба». Метод также применяют для определения анилиновой точки смеси нефтепродуктов и углеводородных растворителей, имеющих анилиновые точки ниже температуры, при которой анилин кристаллизуется из смеси «анилин-проба».
Анилиновую точку (или анилиновую точку смеси) используют при определении характеристик чистых углеводородов и анализе углеводородных смесей. Ароматические углеводороды имеют самые низкие значения, а парафины – самые высокие значения анилиновой точки. Циклопарафины и олефины имеют промежуточные значения анилиновой точки. В гомологических рядах анилиновые точки увеличиваются по мере возрастания молекулярной массы. Хотя анилиновую точку можно использовать в сочетании с другими физическими свойствами в корреляционных методах для анализа углеводородов, однако наиболее часто ее применяют для оценки содержания ароматических углеводородов
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Format: Electronic (pdf/doc)
SKU: RUSS428773
The Product is Contained in the Following Classifiers:
ISO classifier »
75 EXTRACTION AND PROCESSING OF OIL, GAS AND RELATED PRODUCTION »
75.080 Petroleum products in general »
National standards »
75 EXTRACTION AND PROCESSING OF OIL, GAS AND RELATED PRODUCTION »
75.080 Petroleum products in general »
As a Replacement Of:
GOST 12329-77: Petroleum products and hydrocarbon solvents. Method for determination of aniline point and aromatic hydrocarbons
The Document is Referenced By:
Letter 15153/05-DG: About the application of the standards
Protocol 03-14-PR: Meeting of the Working Group on making decisions on the possibility of using national and interstate standards developed on the basis of (instead of) previously valid, to ensure the activities of the Federal Accreditation Service (Rosakkreditatsiya) on accreditation and competence verification of accredited persons of April 29, 2022 N 03-14-pr
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