ASTM D3343-95(2000)

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An American National Standard
Designation:D3343–95 (Reapproved 2000)
Standard Test Method for
Estimation of Hydrogen Content of Aviation Fuels
This standard is issued under the fixed designation D 3343; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope of the user of this standard to establish appropriate safety and
health practices and determine the applicability of regulatory
1.1 This test method covers the estimation of the hydrogen
limitations prior to use.
content (mass percent) of aviation gasolines and aircraft
turbine and jet engine fuels.
2. Referenced Documents
1.2 This test method is empirical and is applicable to liquid
2.1 ASTM Standards:
hydrocarbon fuels that conform to the requirements of speci-
D86 Test Method for Distillation of Petroleum Products at
ficationsforaviationgasolinesoraircraftturbineandjetengine
Atmospheric Pressure
fuels of types Jet A, Jet A-1, Jet B, JP-4, JP-5, JP-7, and JP-8.
D 910 Specification for Aviation Gasolines
NOTE 1—The procedure for the experimental determination of hydro-
D 1018 Test Method for Hydrogen in Petroleum Fractions
gen in petroleum fractions is described in Test Methods D 1018 and
D 1298 Test Method for Density, Relative Density (Specific
D 3701.
Gravity), or API Gravity of Crude Petroleum and Liquid
NOTE 2—The estimation of the hydrogen content of a hydrocarbon fuel
Petroleum Products by Hydrometer Method
is justifiable only when the fuel belongs to a well-defined class for which
D 1319 Test Method for Hydrocarbon Types in Liquid
a relationship among the hydrogen content and the distillation range,
density, and aromatic content has been derived from accurate experimen- Petroleum Products by Fluorescent Indicator Adsorption
tal measurements on representative samples of that class. Even in this
D 1655 Specification for Aviation Turbine Fuels
case,thepossibilitythattheestimatesmaybeinerrorbylargeamountsfor
D 3701 Test Method for Hydrogen Content of Aviation
individual fuels should be recognized. The fuels used to establish the
Turbine Fuels by Low Resolution Nuclear Magnetic Reso-
correlation presented in this method are defined by the following
nance Spectrometry
specifications:
2.2 Military Standards:
Fuel Specification
MIL-T-5624 SpecificationforTurbineFuel,Aviation,Grade
Aviation gasolines D 910
Aircraft turbine and jet engine fuels
JP-4 and JP-5
JP-4 and JP-5 MIL-T-5624
MIL-J-25056 Specification for Turbine Fuel, Grade JP-6
JP-6 MIL-J-25056 (Obsolete)
MIL-T-38219 Specification for Turbine Fuel, Low Volatil-
JP-7 MIL-T-38219
Jet A D 1655
ity, JP-7
Miscellaneous hydrocarbons
No. 2 Diesel fuel
3. Summary of Test Method
Kerosine distillates (similar to Jet A)
Miscellaneous (includes thinners, gasoline fractions, and unidentified blends)
3.1 A correlation has been established between the hydro-
Special production fuels (commercial products of nearly pure hydrocarbons
gen content of a fuel and its distillation range,API gravity, and
and special high-temperature fuels (HTF) produced for Air Force tests.
aromatic content. This relationship is given by the following
Pure hydrocarbons
equations:
1.3 The values stated in SI units are to be regarded as the
Type fuel—All aviation gasolines and aircraft turbine fuels
standard. The values given in parentheses are for information
only. %H 5 0.063 17G – 0.041 089A 1 0.000 072 135AV
1 0.000 056 84GV – 0.000 496 0GA 1 10.56 (1)
1.4 This standard does not purport to address the safety
concerns, if any, associated with its use. It is the responsibility
Annual Book of ASTM Standards, Vol 05.01.
1 3
This test method is under the jurisdiction of ASTM Committee D02 on Annual Book of ASTM Standards, Vol 05.02.
Petroleum Products and Lubricants and is the direct responsibility of Subcommittee Available from Standardization Documents, Order Desk, Bldg. 4, Section D,
D02.04.0K on Correlative Methods. 700 Robbins Ave., Philadelphia, PA 19111-5094, ATTN: NPODS.
Current edition approved Aug. 15, 1995. Published October 1995. Originally Bert, J. A., and Painter, L. J., “Method for Calculating Hydrogen Content of
published as D 3343 – 74. Last previous edition D 3343 – 90. Aviation Fuels,” Chevron Research Co., Richmond, CA, Jan. 12, 1973.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
D3343–95 (2000)
TABLE 1 Mean and Standard Deviation of the Variables
Average these three temperatures to obtain the T value (in °C)
Standard or the V value (in °F) used in the equations of 3.1.
Variable Mean
Deviation
5.3 Determine the aromatic volume percent of the sample
Aromatics, volume, % 14.1 21.6
using Test Method D 1319 – IP 156.
Density, kg/m (°API) 783 (49.1) 54 (12.4)
Volatility, °C (°F) 178 (352) 53 (96)
Mass percent hydrogen 14.1 1.3 6. Calculation and Report
6.1 Inch-Pound Units—Calculate the percent hydrogen of
the sample using Eq 1 in 3.1. Round the value obtained to the
or in SI Units, nearest 0.01 %.
Example: Sample: Aviation kerosine fuel
%H 5 ~9201.2 1 14.49T – 70.22A!/D
1 0.026 52A 1 0.000 129 8AT – Determined Values:
0.013 47T 1 2.003 (2)
API gravity, G=44
Aromatic volume percent, A=12
where:
Average distillation temperature, V = 400°F (10 % = 350°F,
% H = mass percent hydrogen;
50 %=390°F,90 %=460°F;V=(350+390+460)/3=400°F
G = gravity, °API;
Using Eq 1 in 3.1:
A = volume percent aromatics;
V = average of 10, 50, and 90 % distillation data, °F
%H 5 0.063 17~44! 2 0.041 089~12! 1
(using Test MethodD86);
0.000 072 135 12! 400! 1 0.000 056 84 44! 400!–
~ ~ ~ ~
T = average of 10, 50, and 90 % distillation data, °C;
0.000 496 0~44! ~12! 1 10.56 (3)
and
%H 5 13.9311 5 13.93
D = density in kg/m at 15°C.
6.2 SI Units—Calculate the percent hydrogen of the sample
3.2 Eq 1 was empirically derived for the mass percent
using Eq 2 of 3.1. Round the value obtained to the nearest
hydrogen by the method of least squares from accurate data on
0.01 %.
fuelsusingi
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