ISO 4317:2011
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Surface-active agents and detergents — Determination of water content — Karl Fischer methods
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11-29-2011
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ISO 4317:2011 specifies two titration methods (volumetric and coulometric) using Karl Fischer reagent for the determination of the water content of surface active agents and detergents.
These methods are applicable to products in the form of powders, pastes and solutions.
They are applicable only if so indicated in the specific standard for each product.
As alkaline compounds react with Karl Fischer reagent, the methods give values which are too high in the case of samples containing alkali metal silicates, carbonates, hydroxides or borates. Therefore, samples need to be analysed for the presence of such alkali metal salts prior to the determination of the water content.
| DevelopmentNote |
Supersedes ISO/DIS 4317. (12/2011)
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| IS 16830 : 2018 | Identical |
| NF ISO 4317 : 2012 | Identical |
| BS 6829-1.5:1990 | Similar to |
| UNE 55545:1994 | Identical |
| NBN T 63 134 : 1980 | Identical |
| ONORM EN ISO 5755 : 2013 | SINTERED METAL MATERIALS - SPECIFICATIONS (ISO 5755:2012) |
| BS 6829-0:1987 | Analysis of surface active agents (raw materials) General introduction |
| BS 3762-0:1991 | Analysis of formulated detergents General introduction |
| BS 3762-0:1989 | Analysis of formulated detergents Introduction and general methods |
| BS 6829-4.6:1988 | Analysis of surface active agents (raw materials). Ethylene oxide adducts Method for determination of hydroxyl value |
| ISO 4326:1980 | Non-ionic surface active agents — Polyethoxylated derivatives — Determination of hydroxyl value — Acetic anhydride method |
| ISO 607:1980 | Surface active agents and detergents Methods of sample division |
| EN 13267:2001 | Surface active agents - Determination of water content - Karl Fischer method |
| ISO 5725-2:1994 | Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method |
| ISO 3696:1987 | Water for analytical laboratory use — Specification and test methods |
| ISO 760:1978 | Determination of water Karl Fischer method (General method) |
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