Standard Active Last Updated: Jan 31, 2017
ASTM D4954-89(2017)

Standard Test Method for Determination of Nitrilotriacetates in Detergents

Significance and Use

3.1 This test method is suitable in research, development, and manufacturing control to monitor the level of NTA, a sequestering agent, in powder and liquid detergents.

3.2 Accurate determination of a sequestering agent is important in evaluating cost and performance of detergent products.


1.1 This test method describes the determination of nitrilotriacetates (NTA) in detergents.

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. For specific safety precautions, see 6.5.

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Book of Standards Volume: 15.04
Developed by Subcommittee: D12.12
Pages: 3
DOI: 10.1520/D4954-89R17
ICS Code: 71.100.40