ASTM D5307-97
(Test Method)Standard Test Method for Determination of Boiling Range Distribution of Crude Petroleum by Gas Chromatography
Standard Test Method for Determination of Boiling Range Distribution of Crude Petroleum by Gas Chromatography
SCOPE
1.1 This test method covers the determination of the boiling range distribution of water-free crude petroleum through 538°C (1000°F). Material boiling above 538°C is reported as residue. This test method is applicable to whole crude samples, that can be solubilized in a solvent to permit sampling by means of a microsyringe.
1.2 The values stated in SI units are to be regarded as the standard. The values stated in inch-pound units are for information only.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Notes 1, 2, 3, 4, and 5.
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An American National Standard
Designation:D5307–97
Standard Test Method for
Determination of Boiling Range Distribution of Crude
1
Petroleum by Gas Chromatography
This standard is issued under the fixed designation D 5307; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope slice in a previously recorded blank (nonsample) analysis;
correction for signal offset may also be required.
1.1 This test method covers the determination of the boiling
3.1.3 cumulative corrected area, n—the accumulated sum
range distribution of water-free crude petroleum through
of corrected area slices from the beginning of the analysis
538°C (1000°F). Material boiling above 538°C is reported as
through a given retention time, ignoring any nonsample area
residue.This test method is applicable to whole crude samples,
(for example, solvent).
that can be solubilized in a solvent to permit sampling by
3.1.4 initial boiling point (IBP), n—the temperature (corre-
means of a microsyringe.
spondingtotheretentiontime)atwhichacumulativecorrected
1.2 The values stated in SI units are to be regarded as the
area count equal to 0.5 % of the theoretical total area is
standard. The values stated in inch-pound units are for infor-
obtained.
mation only.
3.1.5 residue, RES n—the amount of sample boiling above
1.3 This standard does not purport to address all of the
538°C (1000°F).
safety concerns, if any, associated with its use. It is the
3.1.6 theoretical total area, T n—the area that would have
responsibility of the user of this standard to establish appro-
been obtained if the entire sample had been eluted from the
priate safety and health practices and determine the applica-
column.
bility of regulatory limitations prior to use. Specific precau-
3.1.6.1 Discussion—This is determined in 12.3.
tionary statements are given in Note 1, Note 2, Note 3, Note 4,
3.2 Abbreviations:Abbreviations:
and Note 5.
3.2.1 Acommon abbreviation of hydrocarbon compounds is
2. Referenced Documents
to designate the number of carbon atoms in the compound. A
prefix is used to indicate the carbon chain form, while a
2.1 ASTM Standards:
subscripted suffix denotes the number of carbon atoms (for
D 2892 Test Method for Distillation of Crude Petroleum
2
example, normal decane = n-C ; isotetradecane = i-C ).
(15-Theoretical Plate Column) 10 14
D 4057 Practice for Manual Sampling of Petroleum and
4. Summary of Test Method
3
Petroleum Products
4.1 The crude oil sample is diluted with carbon disulfide,
3. Terminology
and the resulting solution is injected into a gas chromato-
graphic column that separates hydrocarbons in boiling point
3.1 Definitions of Terms Specific to This Standard:
order. The column temperature is raised at a reproducible,
3.1.1 area slice, n—the area, resulting from the integration
linear rate, and the area under the chromatogram is recorded
of the chromatographic detector signal, within a specified
throughout the run. Boiling points are assigned to the time axis
retention time interval.
by comparison to a calibration curve obtained under the same
3.1.1.1 Discussion—In area slice mode (see 6.2.2), peak
chromatographic conditions by running a mixture of
detection parameters are bypassed and the detector signal
n-paraffins of known boiling point through a temperature of
integralisrecordedasareaslicesofconsecutive,fixedduration
538°C(1000°F).Theamountofsampleboilingabove538°Cis
time intervals.
estimated by means of a second analysis of the crude oil to
3.1.2 corrected area slice, n—an area slice corrected for
which an internal standard has been added. From these data,
baseline drift, by subtraction of the exactly corresponding area
the boiling range distribution of the water-free sample is
calculated.
1
This test method is under the jurisdiction of ASTM Committee D02 on
Petroleum Products and Lubricants and is the direct responsibility of Subcommittee
5. Significance and Use
D02.04.0H on Chromatographic Methods.
Current edition approved June 10, 1997. Published October 1997. Originally
5.1 The determination of the boiling range distribution is an
published as D 5307 – 92. Last previous edition D 5307 – 92.
essential requirement in crude oil assay. This information can
2
Annual Book of ASTM Standards, Vol 05.01.
3 be used to estimate refinery yields and, along with other
Annual Book of ASTM Standards, Vol 05.02.
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