Registration Dossier

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
13.03.2012 - 31.10.2012
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2012
Report Date:
2012

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
1 % suspension in tap water/ demineralized water, measuring the pH.
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
other: solid
Details on test material:
- Name of test material (as cited in study report): ASC Plus (ASC (internal code: UR 003-052-1)

Results and discussion

pH valueopen allclose all
pH value:
3.9
Temp.:
23 °C
Concentration:
10 g/L
Remarks on result:
other: in demineralized water
pH value:
5.07
Concentration:
10 g/L
Remarks on result:
other: in tap water

Applicant's summary and conclusion

Executive summary:

The pH of the test item:

- pH of 1 g suspended in 100 mL demineralized water (pH 4.5 - 5) = 3.9

- pH of 1 g suspended in 100 mL tap water (pH 6 - 6.5) = 5.07