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ASTM D6732-04(2015)

Historical Reaffirmation

Standard Test Method for Determination of Copper in Jet Fuels by Graphite Furnace Atomic Absorption Spectrometry

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1.1 This test method covers the determination of copper in jet fuels in the range of 5 μg/kg to 100 μg/kg using graphite furnace atomic absorption spectrometry. Copper contents above 100 μg/kg may be determined by sample dilution with kerosine to bring the copper level into the aforementioned method range. When sample dilution is used, the precision statements do not apply.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 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.


5.1 At high temperatures aviation turbine fuels can oxidize and produce insoluble deposits that are detrimental to aircraft propulsion systems. Very low copper concentrations (in excess of 50 μg/kg) can significantly accelerate this thermal instability of aviation turbine fuel. Naval shipboard aviation fuel delivery systems contain copper-nickel piping, which can increase copper levels in the fuel. This test method may be used for quality checks of copper levels in aviation fuel samples taken on shipboard, in refineries, and at fuel storage depots.

SDO ASTM: ASTM International
Document Number D6732
Publication Date April 1, 2015
Language en - English
Page Count 6
Revision Level 04(2015)
Supercedes
Committee D02.03
Publish Date Document Id Type View
Nov. 1, 2004 D6732-04 Revision
Nov. 10, 2002 D6732-02 Revision
Nov. 10, 2001 D6732-01 Revision
May 1, 2020 D6732-04R20 Reaffirmation
April 1, 2015 D6732-04R15 Reaffirmation
May 1, 2010 D6732-04R10 Reaffirmation