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Norm
ÖNORM EN 14668
Issue date: 2005 09 01
Surface active agents - Determination of quaternary ammonium surface active agents in raw materials and formulated products - Potentiometric two phase titration method
This European Standard specifies a method for the determination of the content of quaternary ammonium surface
active agents in raw materials and formulated products, def...
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Publisher:
Austrian Standards International
Format:
Digital | 14 Pages
Language:
German
| English
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This European Standard specifies a method for the determination of the content of quaternary ammonium surface
active agents in raw materials and formulated products, defined as being the amount of quaternary ammonium
surface active agents expressed in millimoles per 100 g of product.
NOTE 1 The applicability in products different than those tested should be checked in each particular case.
NOTE 2 In comparison to usual laboratory two-phase titration with visual endpoint determination (see ISO 2871-1 and
ISO 2871-2) potentiometric titration offers the advantage of automation, operator-dependent differences in recognising the
equivalence point can be neglected, and a non-critical solvent replaces the toxicologically critical chloroform.
ÖNORM EN 14668
2005 09 01
Surface active agents - Determination of quaternary ammonium surface active agents in raw materials ...
Norm
↖
Norm
ISO 607:1980
Issue date :
1980 04 01
Surface active agents and detergents — Methods of sample division
Norm
ÖNORM EN 14670
Issue date :
2005 09 01
Surface active agents - Sodium dodecyl sulfate - Analytical method
Norm
ÖNORM EN ISO 3696
Issue date :
1995 08 01
Water for analytical laboratory use - Specifications and test methods (ISO 3696:1987)
Norm
ISO 607:1980
Issue date :
1980 04 01
Surface active agents and detergents — Methods of sample division