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01763nmm a2200253 u 4500 |
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231010 ||| eng |
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|a 9789264417243
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| 245 |
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|a Test No. 126: Determination of the Hydrophobicity Index of Nanomaterials Through an Affinity Measurement
|h Elektronische Ressource
|c Organisation for Economic Co-operation and Development
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|a Essai n°126 : Détermination de l'index d'hydrophobicité des nanomatériaux par mesure de l'affinité
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| 260 |
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|a Paris
|b OECD Publishing
|c 2023
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| 300 |
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|a 19 p.
|c 21 x 29.7cm
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| 653 |
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|a Environment
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| 710 |
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|a Organisation for Economic Co-operation and Development
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|a eng
|2 ISO 639-2
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| 989 |
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|b OECD
|a OECD Books and Papers
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|a OECD Guidelines for the Testing of Chemicals, Section 1
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|a 10.1787/ae9c0fd1-en
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| 856 |
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|a oecd-ilibrary.org
|u https://doi.org/10.1787/ae9c0fd1-en
|x Verlag
|3 Volltext
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|a 363
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|a This Test Guideline (TG) describes a method to determine the hydrophobicity index (Hy) of nanomaterials (NMs), through an affinity measurement. Hydrophobicity is defined as "the association of non-polar groups or molecules in an aqueous environment which arises from the tendency of water to exclude non-polar molecules". By measuring their binding rate to different engineered surfaces (collectors), Hy expresses the tendency of the NMs to favour the binding to a non-polar (hydrophobic) surface because of its low affinity for water. The method applies to NMs dispersed in an aqueous solution or to NM powders after their dispersions in aqueous solutions, with or without a surfactant, using a recommended protocol
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