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ASTM D5806-95(2009)

Historical Reaffirmation

Standard Test Method for Disinfectant Quaternary Ammonium Salts by Potentiometric Titration

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1.1 This test method covers a potentiometric titration procedure for determining active matter in disinfectant quaternary ammonium salts. This test method is intended for the analysis of quaternary ammonium salts used as disinfectants, and only applies to the following commonly used quaternary ammonium salts: n-alkyldimethylbenzylammonium chloride (see Fig. 1), cetyltrimethylammonium chloride, and a blend of n-octyldecyl dimethylammonium chloride, di-n-octyl dimethylammonium chloride, and di-n-decyldimethyl ammonium chloride (see Fig. 2). Also, this test method can be applied to the analysis of disinfectant type products where the formula ingredients are known and the quaternary ammonium salt is one of the above. Interferences such as amines oxides and betaines present in disinfectant formulations were not tested.

1.2 This disinfectant quaternary ammonium salt conforms to the structures in Fig. 1 and Fig. 2.

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

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. For specific precautionary information, see Section 8.

This test method is used to determine the percent actives in each type of the disinfectant quaternary ammonium salts, and also in the disinfectant products. Quaternary ammonium compounds being the active ingredients in disinfectant-type products require accurate determination to assess the cost and antimicrobial performance of such products.

SDO ASTM: ASTM International
Document Number D5806
Publication Date Oct. 1, 2009
Language en - English
Page Count 4
Revision Level 95(2009)
Supercedes
Committee D12.12
Publish Date Document Id Type View
Jan. 1, 1995 D5806-95 Revision
Jan. 1, 2017 D5806-95R17 Reaffirmation
Oct. 1, 2009 D5806-95R09 Reaffirmation
Oct. 10, 1995 D5806-95R03 Reaffirmation