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ASTM D6071-06

Historical Revision

Standard Test Method for Low Level Sodium in High Purity Water by Graphite Furnace Atomic Absorption Spectroscopy

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1.1 This test method covers the determination of trace sodium in high purity water. The method range of concentration is 1 to 40 g/L sodium. The analyst may extend the range once its applicability has been ascertained. Note 1It is necessary to perform replicate analysis and take an average to accurately determine values at the lower end of the stated range.

1.2 This test method is a graphite furnace atomic absorption spectrophotometric method for the determination of trace sodium impurities in ultra high purity water.

1.3 This test method has been used successfully with a high purity water matrix. It is the responsibility of the analyst to determine the suitability of the test method for other matrices.

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.


Small quantities of sodium, 1 to 10 μg/L, can be significant in high pressure boiler systems and in nuclear power systems. Steam condensate from such systems must have less than 10 μg/L. In addition, condensate polishing system effluents should have less than 1 μg/L. Graphite furnace atomic absorption spectroscopy (GFAAS) represents technique for determining low concentrations of sodium.

SDO ASTM: ASTM International
Document Number D6071
Publication Date July 1, 2006
Language en - English
Page Count 5
Revision Level 06
Supercedes
Committee D19.03
Publish Date Document Id Type View
Sept. 15, 2014 D6071-14 Revision
Jan. 1, 2013 D6071-13 Revision
July 1, 2006 D6071-06 Revision
Jan. 1, 2000 D6071-96 Revision
Nov. 1, 2022 D6071-14R22 Reaffirmation
Jan. 1, 2000 D6071-96R00 Reaffirmation