Reference number
ISO 3924:2019
International Standard
ISO 3924:2019
Petroleum products — Determination of boiling range distribution — Gas chromatography method
Edition 5
2019-07
Preview
ISO 3924:2019
72611
недоступно на русском языке
Опубликовано (Версия 5, 2019)

ISO 3924:2019

ISO 3924:2019
72611
Язык
Формат
CHF 173
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Тезис

This document specifies a method for the determination of the boiling range distribution of petroleum products. The method is applicable to petroleum products and fractions with a final boiling point of 538 °C or lower at atmospheric pressure as determined by this document. This document does not apply to gasoline samples or gasoline components. The method is limited to products having a boiling range greater than 55 °C and having a vapour pressure sufficiently low to permit sampling at ambient temperature.

The document describes two procedures.

a) Procedure A allows a larger selection of columns and analysis conditions, such as packed and capillary columns as well as a thermal conductivity detector in addition to the flame ionization detector. Analysis times range from 14 min to 60 min.

b) Procedure B is restricted to only three capillary columns and requires no sample dilution. The analysis time is reduced to about 8 min.

Both procedures have been successfully applied to samples containing fatty acid methyl esters (FAME) up to 20 % (volume fraction).

NOTE For the purposes of this document, the terms "% (mass fraction)" and "% (volume fraction)" are used to represent the mass fraction (µ), the volume fraction (φ) of a material.

Общая информация

  •  : Опубликовано
     : 2019-07
    : Систематический пересмотр международного стандарта [90.20]
  •  : 5
  • ISO/TC 28
    75.080 
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