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Standard Test Method for Determination of Nitrilotriacetates in Detergents
NORMA vydaná dňa 1.1.2017
Označenie normy: ASTM D4954-89(2017)
Dátum vydania normy: 1.1.2017
Kód tovaru: NS-674341
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
copper ion electrode, nitrilotriacetate, NTA, titration ,, ICS Number Code 71.100.40 (Surface active agents)
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. 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. |
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