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ASTM D3340-07

Current Revision

Standard Test Method for Lithium and Sodium in Lubricating Greases by Flame Photometer (Withdrawn 2013)

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1.1 This test method covers determination of the lithium and sodium content of lubricating greases by means of a flame photometer.

1.2 A multi-element analysis method for greases, which includes the measurement of lithium and sodium concentrations using inductively couple plasma-atomic emission spectroscopy (ICP-AES), is available in Test Method D 7303.

1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.The preferred units are mass %.

1.4 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.


Lubricating greases can contain the lithium soap of hydroxy stearic acid or the sodium soap of various fatty acids as thickeners. The determination of total lithium or total sodium is a measure of the amount of thickener in the grease.

SDO ASTM: ASTM International
Document Number D3340
Publication Date Dec. 1, 2007
Language en - English
Page Count 3
Revision Level 07
Supercedes
Committee D02.03
Publish Date Document Id Type View
Dec. 1, 2007 D3340-07 Revision
Nov. 10, 1998 D3340-98 Revision
May 10, 2003 D3340-98R03 Reaffirmation