Registration Dossier

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
14-04-2003 to 05-06-2003
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2003

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
EPA OPPTS 830.7000 (pH)
Deviations:
not specified
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
Name of test material: Boric oxide
- Physical state: White powder
- Lot/batch No.: BRt 2638
- Storage condition of test material: Room temperature in the dark

Results and discussion

pH value
pH value:
5.46
Temp.:
25 °C
Concentration:
1 vol%
Remarks on result:
other: aqueous dispersion

Any other information on results incl. tables

The pH of the 1 % aqueous dispersions:

Determination

Reading

Temperature

ºC

pH

Mean

pH

Overall

Mean pH

A

1

25

5.44

5.44

5.46

2

25

5.44

B

1

25

5.48

5.48

2

25

5.48

pH of distilled water used in the sample preparation was 5.10 to 5.23.

Applicant's summary and conclusion

Conclusions:
The pH of a 1 % aqueous dispersion of test material was determined to be 5.46 at 25 ºC.