Standard Test Method for
Estimation of Solubility of Gases in Petroleum and Other
Organic Liquids1

This standard is issued under the fixed designation D 3827; 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 (e) indicates an editorial change since the last revision or reapproval.

1. Scope

1.1 This test method covers a procedure for estimating the
equilibrium solubility of several common gases in petroleum
and synthetic lubricants, fuels, and solvents, at temperatures
between 0 and 488 K.

1.2 This test method is limited to systems in which polarity
and hydrogen bonding are not strong enough to cause serious
deviations from regularity. Specifically excluded are such
gases as HCl, NH3, and SO2, and hydroxy liquids such as
alcohols, glycols, and water. Estimating the solubility of CO2
in nonhydrocarbons is also specifically excluded.

1.3 Highly aromatic oils such as diphenoxy phenylene
ethers violate the stated accuracy above 363 K, at which point
the estimate for nitrogen solubility is 43 % higher than the
observation.

1.4 Lubricants are given preference in this test method to
the extent that certain empirical factors were adjusted to the
lubricant data. Estimates for distillate fuels are made from the
lubricant estimates by a further set of empirical factors, and are
less accurate. Estimates for halogenated solvents are made as if
they were hydrocarbons, and are the least accurate of the three.

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

1.6 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.

2. Referenced Documents

2.1 ASTM Standards:
D 1218 Test Method for Refractive Index and Refractive
Dispersion of Hydrocarbon Liquids2
D 1250 Guide for Petroleum Measurement Tables2
D 1298 Test Method for Density, Relative Density (Specific

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