Registration Dossier

Administrative data

Endpoint:
pH
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
The study was carried out in a laboratory accredited under GLP, however the study itself was not subject to GLP audit. The study followed OECD TG 122 (2013) without deviations.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2015
Report Date:
2015

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 122 (Determination of pH, Acidity and Alkalinity)
Principles of method if other than guideline:
See 'Any other information on materials and methods incl. tables'.
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
other: beige powder

Reagents

Reagent:
other: not specified

Results and discussion

pH value
pH value:
9.89
Temp.:
25 °C
Concentration:
1 other: % w/v

Any other information on results incl. tables

Measured pH values

Determination

pH value

Overall mean pH

After 1 minute

After 2 minutes

After 10 minutes

1

9.41

9.60

9.86

9.89

2

9.67

9.74

9.91

Applicant's summary and conclusion

Conclusions:
The pH value of the test item, as a 1% w/v aqueous dispersion, has been determined to be 9.89 at 25 ºC.
Executive summary:

To determine the pH value of the test item a study was performed according to OECD TG 122 (2013). In this study the pH value of the test item, as a 1% w/v aqueous dispersion, has been determined to be 9.89 at 25 ºC.