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Diss Factsheets

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2013
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Material well defined and assigned. Actual and well documented method used

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013
Report date:
2013

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: DIN 38404-5 mod.
Principles of method if other than guideline:
The modification of method DIN 38404-5 is due to a sample preparation step. As the pH-value is
defined in an aqueous matrix only the sample (10 %) had to be extracted with deionised water (90 %)
first and the measurement was done in the water phase afterwards.
GLP compliance:
no

Test material

Constituent 1
Reference substance name:
Fatty acids, C16-C18 (even numbered) and C18 (unsaturated) and Fatty acids, C16-C18 (even numbered) and C18 (unsaturated) methyl esters
EC Number:
939-235-7
Molecular formula:
Please refer to 'remarks'
IUPAC Name:
Fatty acids, C16-C18 (even numbered) and C18 (unsaturated) and Fatty acids, C16-C18 (even numbered) and C18 (unsaturated) methyl esters
Test material form:
other: liquid
Details on test material:
Typical sample from production

Results and discussion

pH value
pH value:
ca. 5.7
Temp.:
25 °C

Applicant's summary and conclusion