ISO 4317:2011
$27.95
Agents de surface et détergents — Détermination de la teneur en eau — Méthodes de Karl Fischer
Published By | Publication Date | Number of Pages |
ISO | 2011-12 | 20 |
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L'ISO 4317:2011 spécifie deux méthodes de titrage (volumétrique et coulométrique) pour la détermination de la teneur en eau des agents de surface et des détergents à l'aide du réactif de Karl Fischer.
Ces méthodes sont applicables aux produits à l'état pulvérulent et à l'état pâteux, ainsi qu'aux produits en solution.
Elles ne sont applicables que si cela est indiqué dans la norme particulière à chaque produit.
Étant donné que les composés alcalins réagissent avec le réactif de Karl Fischer, les méthodes donnent des résultats en excès dans le cas d'échantillons contenant des silicates, carbonates, hydroxydes ou borates de métaux alcalins. En conséquence, les échantillons doivent être analysés pour déceler la présence de tels sels alcalins avant la détermination de la teneur en eau.
Published Code | ISO |
---|---|
Published By | International Organization for Standardization |
Publication Date | 2011-12 |
Pages Count | 20 |
Language | France |
Edition | 3 |
File Size | 440.3 KB |
ICS Codes | 71.100.40 - Surface active agents |
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