Registration Dossier
Registration Dossier
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EC number: 914-147-1 | CAS number: -
Adsorption / desorption
Administrative data
Link to relevant study record(s)
Description of key information
The adsorption/desorption behaviour of Reaction Mass Of Sodium Sulfate, Sodium Amino-12-Dodecanoate And Sodium Dodecanedioate on soil and sewage sludge was evaluated in a study performed in accordance with OECD testing guideline 121 and GLP requirements.
This test item contains 3 components (from 1 to 3).
The following table gives the log Kocvalues obtained for each category.
Component 1: AMINO-12
3.75 pH 3.09
3.31 pH 6.31
Component 2: LACTAM
2.21 pH 3.09
2.28 pH 6.31
Component 3: OTHERS
< 1.25 pH 3.09
< 1.25 pH 6.31
During the analysis, the temperature was 22°Cand the pH values were 3.09 and 6.31, depending on the elution system.
Key value for chemical safety assessment
Additional information
The adsorption/desorption behaviour of Reaction Mass Of Sodium Sulfate, Sodium Amino-12-Dodecanoate And Sodium Dodecanedioate on soil and sewage sludge was evaluated in a study performed in accordance with OECD testing guideline 121 and GLP requirements.
This test item contains 3 components (from 1 to 3).Quality criteria were fulfilled.
The following table gives the log Kocvalues obtained for each category.
During the analysis, the temperature was 22°C and the pH values were 3.09 and 6.31, depending on the elution system.
The values of the replicates are reported below.
Test |
Method |
Log Koc
|
|
Adsorption Coefficient |
OECD121
|
pH 3.09 |
pH 6.31 |
Component 1: AMINO-12
|
3.75 |
3.31 |
|
Component 2: LACTAM |
2.21 |
2.28 |
|
Component 3: OTHERS |
< 1.25 |
< 1.25 |
|
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