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ASTM D 6822 : 2012

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Test Method for Density, Relative Density, and API Gravity of Crude Petroleum and Liquid Petroleum Products by Thermohydrometer Method
Available format(s)

Hardcopy , PDF

Superseded date

11-11-2014

Language(s)

English

Published date

04-01-2012

CONTAINED IN VOL. 05.03, 2018 Defines the determination, using a glass thermohydrometer, of the density, relative density (specific gravity), or API gravity of crude petroleum and liquid petroleum products with Reid vapor pressures of 101.325 kPa (14.696 psi) or less.

1.1 This test method covers the determination, using a glass thermohydrometer in conjunction with a series of calculations, of the density, relative density, or API gravity of crude petroleum, petroleum products, or mixtures of petroleum and nonpetroleum products normally handled as liquids and having a Reid vapor pressures of 101.325 kPa (14.696 psi) or less. Values are determined at existing temperatures and corrected to 15°C or 60°F by means of a series of calculations and international standard tables.

1.2 The initial thermohydrometer readings obtained are uncorrected hydrometer readings and not density measurements. Readings are measured on a thermohydrometer 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 Use of the Petroleum Measurement Tables (API MPMS Chapter 11.1).

1.3 Readings determined as density, relative density, or API gravity can be converted to equivalent values in the other units or alternate reference temperatures by means of Interconversion Procedures or Adjunct to D1250, Guide for Use of the Petroleum Measurement Tables (API MPMS Chapter 11.1), or both, or tables as applicable.

1.4 The initial thermohydrometer reading shall be recorded before performing any calculations. The calculations required in Section 7 shall be applied to the initial thermohydrometer reading with observations and results reported as required by Section 8 prior to use in a subsequent calculation procedure (measurement ticket calculation, meter factor calculation, or base prover volume determination).

1.5 Annex A1 contains a procedure for verifying or certifying the equipment of this test method.

1.6 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.

1.7 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.

Committee
D 02
DevelopmentNote
Also numbered as API MPM CH9.3. (02/2013)
DocumentType
Test Method
Pages
8
ProductNote
Reconfirmed 2012
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM D 6074 : 2015 Standard Guide for Characterizing Hydrocarbon Lubricant Base Oils
ASTM D 287 : 2012 : REV B Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)
ASTM D 6448 : 2016 Standard Specification for Industrial Burner Fuels from Used Lubricating Oils

ASTM E 100 : 2017 : REDLINE SPECIFICATION FOR ASTM HYDROMETERS
API MPM CH8.1 : 2013 MANUAL OF PETROLEUM MEASUREMENT STANDARDS - CHAPTER 8.1: STANDARD PRACTICE FOR MANUAL SAMPLING OF PETROLEUM AND PETROLEUM PRODUCTS
API MPM CH11.5 CD : 0 MANUAL OF PETROLEUM MEASUREMENT STANDARDS - CHAPTER 11: PHYSICAL PROPERTIES DATA - SECTION 5: DENSITY/WEIGHT/VOLUME INTRACONVERSION - PART 1: CONVERSIONS OF API GRAVITY AT 60 DEGREES F; PART 2: CONVERSIONS FOR RELATIVE DENSITY (60/60 DEGREES F); PART 3: CONVERSIONS FOR ABSOLUTE DENSITY AT 15 DEGREES C
API MPM CH8.2 : 2016 MANUAL OF PETROLEUM MEASUREMENT STANDARDS - CHAPTER 8.2: STANDARD PRACTICE FOR AUTOMATIC SAMPLING OF PETROLEUM AND PETROLEUM PRODUCTS

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