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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

pH

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Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: The study was conducted using an appropriate test method, but not in compliance with GLP.

Data source

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

Materials and methods

Principles of method if other than guideline:
A solution of specified strength is made up, and brought to 20ºC by immersion in a constant temperature bath. The pH is measured by a probe that has been calibrated using solutions having a range of known pHs.
GLP compliance:
no

Test material

Constituent 1
Reference substance name:
Reaction mass of ammonium iron(III) citrate and ammonium sulphate
EC Number:
932-833-9
IUPAC Name:
Reaction mass of ammonium iron(III) citrate and ammonium sulphate
Details on test material:
- Name of test material (as cited in study report): Ferric ammonium citrate, reaction mass with ammonium sulfate (FAC)

- Lot/batch No.: 071211

- Expiration date of the lot/batch: 2012-12-06

Results and discussion

pH value
pH value:
6.4
Temp.:
20 °C
Concentration:
1 vol%

Applicant's summary and conclusion

Conclusions:
A pH value of 6.4 at 20°C was determined for a 1% solution of the substance.