GSO ASTM D1319:2022
Gulf Standard
Current Edition
Approved on
12 May 2022
Standard Test Method for Hydrocarbon Types in Liquid Petroleum Products by Fluorescent Indicator Adsorption
GSO ASTM D1319:2022 Files
English
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Current Edition
Reference Language
GSO ASTM D1319:2022 Scope
1.1 This test method covers the determination of hydrocarbon types of total aromatics, total olefins, and total saturates in
petroleum fractions that distill below 315 °C. Samples containing dark-colored components that interfere in reading the
chromatographic bands cannot be analyzed.
NOTE 1—For the determination of olefins below 0.3 % by volume, other
test methods are available, such as Test Method D2710.
1.2 This test method is intended for use with full boiling
range products. Cooperative data have established that the
precision statement does not apply to narrow boiling petroleum
fractions near the 315 °C limit. Such samples are not eluted
properly, and results are erratic.
1.3 This test method is also applicable to automotive sparkignition engine fuels which are gasolines with and without
blended oxygenates, such as alcohols and ethers (for example
MTBE, ethanol) and where gasoline is the primary component
by volume in the blend.
1.4 The applicability of this test method to products derived
from fossil fuels other than petroleum, such as coal, shale, or
tar sands, has not been determined, and the precision statement
may or may not apply to such products.
1.5 This test method has two precision statements depicted
in Table 3 and Table 4.
1.5.1 Table 3 is applicable to fuels that do not contain
oxygenated blending components over the test method concentration working ranges from 5 % to 99 % by volume aromatics,
1 % to 55 % by volume olefins, and 1 % to 95 % by volume
saturates in petroleum fractions and with a final boiling point of
<315 °C. It may or may not apply to automotive gasolines
containing lead antiknock mixtures.
1.5.2 Table 4 precision was derived from an ILS containing
only blended oxygenated (for example, MTBE, ethanol) and
non-oxygenated automotive spark-ignition engine fuels (gasolines) and is applicable only in the test method concentration
working range of 13 % to 40 % by volume aromatics, 4 % to
33 % by volume olefins, and 45 % to 68 % by volume
saturates.
1.5.3 Non-oxygenated automotive spark-ignition engine fuels (gasolines) outside the inclusive valid test result reporting
concentration ranges of Table 4 may use the precision in Table
3 and its applicable concentration ranges.
1.6 The oxygenated blending components, methanol,
ethanol, methyl-tert-butylether (MTBE), tert-amylmethylether
(TAME), and ethyl-tert-butylether (ETBE), do not interfere
with the determination of hydrocarbon types at concentrations
normally found in commercial blends. These oxygenated
components are not detected since they elute with the alcohol
desorbent. Other oxygenated compounds shall be individually
verified. When samples containing oxygenated blending components are analyzed, correct the results to a total-sample basis.
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