ASTM-D4954 › Historical Revision Information
Standard Test Method for Determination of Nitrilotriacetates in Detergents
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Scope
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.
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.
Keywords
copper ion electrode; nitrilotriacetate; NTA; titration ;; ICS Number Code 71.100.40 (Surface active agents)
To find similar documents by ASTM Volume:
15.04 (Soaps and Other Detergents; Polishes; Leather; Resilient Floor Coverings)
To find similar documents by classification:
71.100.40 (Surface active agents)
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Document Number
ASTM-D4954-89(2017)
Revision Level
1989 R17 EDITION
Status
Current
Modification Type
Reapproval
Publication Date
Feb. 1, 2017
Document Type
Test Method
Page Count
3 pages
Committee Number
D12.12