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BS EN 15199-3:2020:2021 Edition

BS EN 15199-3:2020:2021 Edition

$167.15

Petroleum products. Determination of boiling range distribution by gas chromatography method – Crude oil

Published By Publication Date Number of Pages
BSI 2021 42
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This document describes a method for the determination of the boiling range distribution of petroleum products by capillary gas chromatography using flame ionization detection. The standard is applicable to crude oils. The boiling range distribution and recovery to C100 or C120 can be determined.

Two procedures are described: single and dual analysis mode. The basis of each is the calculation procedure as described in Annex A.

Procedure A (or Single analysis mode) determines the boiling range through C100 or C120 in a single analysis

Procedure B (or Dual analysis mode) combines procedure A with the boiling point distribution from C1 up to C9 using the Detailed Hydrocarbon Analysis (DHA) according EN 15199?4. The results of both analyses are merged into one boiling point distribution.

NOTE 1

There is no specific precision statement for the combined results obtained by procedure B. For the precision of the boiling range distribution according to procedure B the precision statements of procedure A and EN 15199?4 apply. No precision has been determined for the results after merging.

NOTE 2

For the purpose of this document, the terms ā€œ% ( m/m)ā€ and ā€œ% ( V/V)ā€ are used to represent the mass fraction, Āµ, and the volume fraction, ?, of a material respectively.

WARNING

Use of this document may involve hazardous materials, operations and equipment. This document does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 1 Scope
2 Normative references
3 Terms and definitions
8 4 Principle
9 5 Reagents and materials
12 6 Apparatus
13 7 Sampling
14 8 Preparation of the apparatus
8.1 Gas chromatograph preparation
8.2 System performance check
9 Corrected sample and reference material preparation
15 10 Calibration
17 11 Procedure
12 Visual inspection of the chromatograms
12.1 Blank run
18 12.2 Reference material
12.3 Sample run
13 Calculation
19 14 Expression of results
15 Precision
15.1 General
15.2 Repeatability
15.3 Reproducibility
21 16 Test report
22 Annex A (normative)Calculation procedure
A.1 Application
A.2 Starting conditions
A.3 Zero sample or reference chromatogram
A.4 Sample area
23 A.5 Start of sample elution time
A.6 End of sample elution time
A.7 End of reference material elution time
A.8 Corrected sample area
A.9 Normalization
24 A.10 Conversion of retention time to percent off
A.10.1 Initial boiling point
A.10.2 Intermediate boiling points
A.10.3 Final boiling point
A.11 Conversion of retention times to boiling points
25 Annex B (informative)Additional guidance for the calculation algorithm
B.1 Zeroing of the reference material chromatogram
B.2 Zeroing of sample chromatograms
26 B.3 Blank baseline subtraction from the sample chromatogram
B.4 Quenching correction
B.5 Determination of the sample final elution time (FEt)
B.6 Determination of the sample area
B.7 Response factor
27 B.8 Calculation of the percentage recovery
28 B.9 Determination of the boiling point distribution:
B.10 Calculation of cut point intervals
29 Annex C (normative)System performance check
C.1 Frequency
C.2 Column resolution
C.3 Detector response (gravimetric blend)
30 C.4 Skewing of peak
C.5 Quench compensation
31 Annex D (normative)Algorithm for merging boiling point distribution results of EN 151993 and EN 151994
D.1 Introduction
D.2 Summary of the procedure
D.3 EN 15199-3 and EN 15199-4 data accuracy determination
32 D.4 Elements required to perform merge of EN 151994 and EN 151993 at the merge point
D.4.1 General
D.4.2 EN 151994 % (m/m) by BP value array, N Elements
34 D.4.3 EN 151993 % (m/m) by BP data array, N elements
D.5 Data merging procedure
35 D.6 Reporting merged results
38 D.7 Normalizing results for recoveries in excess of 100 % by mass after merging
39 Annex E (informative)Boiling points of normal alkanes

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BS EN 15199-3:2020
$167.15