ASTM D1657-12(2017)
(Test Method)Standard Test Method for Density or Relative Density of Light Hydrocarbons by Pressure Hydrometer
Standard Test Method for Density or Relative Density of Light Hydrocarbons by Pressure Hydrometer
SIGNIFICANCE AND USE
5.1 The density or relative density of light hydrocarbons and liquefied petroleum gases is used in custody transfer quantity calculations or to satisfy transportation, storage, and regulatory requirements.
SCOPE
1.1 This test method covers the determination of the density or relative density of light hydrocarbons including liquefied petroleum gases (LPG) having Reid vapor pressures exceeding 101.325 kPa (14.696 psi).
1.2 The prescribed apparatus should not be used for materials having vapor pressures higher than 1.4 MPa (200 psi) at the test temperature. This pressure limit is dictated by the type of equipment. Higher pressures can apply to other equipment designs.
1.3 The initial pressure hydrometer readings obtained are uncorrected hydrometer readings and not density measurements. Readings are measured on a hydrometer at either the reference temperature or at another convenient temperature, and readings are corrected for the meniscus effect, the thermal glass expansion effect, alternate calibration temperature effects and to the reference temperature by means of calculations and Adjunct to D1250 Guide for Petroleum Measurement Tables (API MPMS Chapter 11.1) or API MPMS Chapter 11.2.4 (GPA TP-27), as applicable.
1.4 Values determined as density or relative density can be converted to equivalent values in the other units or alternative reference temperatures by means of Interconversion Procedures API MPMS Chapter 11.5, or Adjunct to D1250 Guide for Petroleum Measurement Tables (API MPMS Chapter 11.1) or API MPMS Chapter 11.2.4 (GPA TP-27), as applicable.
1.5 The calculations required in Section 11 shall be applied to the initial pressure hydrometer reading with observations and results reported as required by Section 11 prior to use in a subsequent calculation procedure (measurement ticket calculation, meter factor calculation, or base prover volume determination).
1.6 Annex A1 contains a procedure for verifying or certifying the equipment for this test method.
1.7 The values in SI units are to be regarded as the standard. US Customary values shown in adjacent parentheses are for information only and may not be exactly equivalent. Both SI and customary units have been rounded so that they may not be exactly equivalent.
1.8 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.
1.9 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
General Information
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Designation: D1657 − 12 (Reapproved 2017)
Manual of Petroleum Measurement Standards (MPMS), Chapter 9.2
Standard Test Method for
Density or Relative Density of Light Hydrocarbons by
1
Pressure Hydrometer
This standard is issued under the fixed designation D1657; 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 and results reported as required by Section 11 prior to use in a
subsequent calculation procedure (measurement ticket
1.1 This test method covers the determination of the density
calculation, meter factor calculation, or base prover volume
or relative density of light hydrocarbons including liquefied
determination).
petroleum gases (LPG) having Reid vapor pressures exceeding
101.325 kPa (14.696 psi). 1.6 AnnexA1 contains a procedure for verifying or certify-
ing the equipment for this test method.
1.2 The prescribed apparatus should not be used for mate-
rials having vapor pressures higher than 1.4 MPa (200 psi) at 1.7 The values in SI units are to be regarded as the standard.
the test temperature. This pressure limit is dictated by the type US Customary values shown in adjacent parentheses are for
of equipment. Higher pressures can apply to other equipment information only and may not be exactly equivalent. Both SI
designs. andcustomaryunitshavebeenroundedsothattheymaynotbe
exactly equivalent.
1.3 The initial pressure hydrometer readings obtained are
1.8 This standard does not purport to address all of the
uncorrected hydrometer readings and not density measure-
safety concerns, if any, associated with its use. It is the
ments. Readings are measured on a hydrometer at either the
responsibility of the user of this standard to establish appro-
reference temperature or at another convenient temperature,
priate safety and health practices and determine the applica-
and readings are corrected for the meniscus effect, the thermal
bility of regulatory limitations prior to use.
glass expansion effect, alternate calibration temperature effects
1.9 This international standard was developed in accor-
and to the reference temperature by means of calculations and
dance with internationally recognized principles on standard-
Adjunct to D1250 Guide for Petroleum Measurement Tables
ization established in the Decision on Principles for the
(API MPMS Chapter 11.1) orAPI MPMS Chapter 11.2.4 (GPA
Development of International Standards, Guides and Recom-
TP-27), as applicable.
mendations issued by the World Trade Organization Technical
1.4 Values determined as density or relative density can be
Barriers to Trade (TBT) Committee.
converted to equivalent values in the other units or alternative
reference temperatures by means of Interconversion Proce-
2. Referenced Documents
duresAPI MPMS Chapter 11.5, orAdjunct to D1250 Guide for
2
2.1 ASTM Standards:
Petroleum Measurement Tables (API MPMS Chapter 11.1) or
D1250 Guide for Use of the Petroleum Measurement Tables
API MPMS Chapter 11.2.4 (GPA TP-27), as applicable.
D1265 Practice for Sampling Liquefied Petroleum (LP)
1.5 The calculations required in Section 11 shall be applied
Gases, Manual Method
to the initial pressure hydrometer reading with observations
D1298 Test Method for Density, Relative Density, and API
Gravity of Crude Petroleum and Liquid Petroleum Prod-
1
This test method is under the jurisdiction of ASTM Committee D02 on
ucts by Hydrometer Method (API MPMS Chapter 9.1)
Petroleum Products, Liquid Fuels, and Lubricants and the API Committee on
E1 Specification for ASTM Liquid-in-Glass Thermometers
Petroleum Measurement, and is the direct responsibility of Subcommittee D02.02
/COMQ, the joint ASTM-API Committee on Hydrocarbon Measurement for
Custody Transfer (Joint ASTM-API). This test method has been approved by the
sponsoring committees and accepted by the Cooperating Societies in accordance
2
with established procedures. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved July 15, 2017. Published July 2017. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1939. Last previous edition approved in 2012 as D1657 – 12. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/D1657-12R17. the ASTM website.
© Jointly copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, USA and the American Petroleum Institute (API), 1220 L Street NW, Washington DC 20005, USA
1
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D1657 − 12 (2017)
E100 Specification for ASTM Hydrometers pre
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
´1
Designation: D1657 − 12 D1657 − 12 (Reapproved 2017)
Manual of Petroleum Measurement Standards (MPMS), Chapter 9.2
Standard Test Method for
Density or Relative Density of Light Hydrocarbons by
1
Pressure Hydrometer
This standard is issued under the fixed designation D1657; 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
ε NOTE—Corrected API MPMS naming convention throughout editorially in October 2012.
1. Scope*Scope
1.1 This test method covers the determination of the density or relative density of light hydrocarbons including liquefied
petroleum gases (LPG) having Reid vapor pressures exceeding 101.325 kPa (14.696 psi).101.325 kPa (14.696 psi).
1.2 The prescribed apparatus should not be used for materials having vapor pressures higher than 1.4 MPa (200 psi) 1.4 MPa
(200 psi) at the test temperature. This pressure limit is dictated by the type of equipment. Higher pressures can apply to other
equipment designs.
1.3 The initial pressure hydrometer readings obtained are uncorrected hydrometer readings and not density measurements.
Readings are measured on a hydrometer at either the reference temperature or at another convenient temperature, and readings are
corrected for the meniscus effect, the thermal glass expansion effect, alternate calibration temperature effects and to the reference
temperature by means of calculations and Adjunct to D1250 Guide for Petroleum Measurement Tables (API MPMS Chapter 11.1)
or API MPMS Chapter 11.2.4 (GPA TP-27), as applicable.
1.4 Values determined as density or relative density can be converted to equivalent values in the other units or alternative
reference temperatures by means of Interconversion Procedures API MPMS Chapter 11.5, or Adjunct to D1250 Guide for
Petroleum Measurement Tables (API MPMS Chapter 11.1) or API MPMS Chapter 11.2.4 (GPA TP-27), as applicable.
1.5 The calculations required in Section 11 shall be applied to the initial pressure hydrometer reading with observations and
results reported as required by Section 11 prior to use in a subsequent calculation procedure (measurement ticket calculation, meter
factor calculation, or base prover volume determination).
1.6 Annex A1 contains a procedure for verifying or certifying the equipment for this test method.
1.7 The values in SI units are to be regarded as the standard. US Customary values shown in adjacent parentheses are for
information only and may not be exactly equivalent. Both SI and customary units have been rounded so that they may not be
exactly equivalent.
1.8 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.
1.9 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2
2.1 ASTM Standards:
D1250 Guide for Use of the Petroleum Measurement Tables
1
This test method is under the jurisdiction of ASTM Committee D02 on Petroleum Products Products, Liquid Fuels, and Lubricants and the API Committee on Petroleum
Measurement, and is the direct responsibility of Subcommittee D02.02 /COMQ, the joint ASTM-API Committee on Hydrocarbon Measurement for Custody Transfer (Joint
ASTM-API). This test method has been approved by the sponsoring committees and accepted by the Cooperating Societies in accordance with established procedures.
Current edition approved June 1, 2012July 15, 2017. Published August 2012July 2017. Originally approved in 1939. Last previous edition approved in 20072012 as
D1657–02(2007).D1657 – 12. DOI: 10.1520/D1657-12E01.10.1520/D1657-12R17.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*A Summary of Changes section appears at the end of this standard
© Jointly copyrighted by ASTM International, 100 Ba
...
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