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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Additional information on environmental fate and behaviour

Currently viewing:

Administrative data

Endpoint:
additional information on environmental fate and behaviour
Type of information:
experimental study
Adequacy of study:
weight of evidence
Study period:
1 November 2001
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study not conducted according to international standard guidelines. Study GLP compliant. No details on purity of test substance.

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2002

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: protocol number A.OL.S.026
Deviations:
not specified
GLP compliance:
yes (incl. QA statement)

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Name of test material (as cited in study report): sodium hydroxide
- Other: 0.1 mol/l solution, Baker art.no. 7098. The concentration of the sodium hydroxide titrant was not determined, as the 0.1 mol/l solution was not biased by more than 1% from the nominal value

Results and discussion

Any other information on results incl. tables

 InitialconcentrationHCO3- (mg/L)  Final pH Concentration NaOH needed to obtain thefinal pH value (mg/L)
 % of the calculatedconcentration
   Calculated Measured  

20

9.2 1.5 20 130 %
20 11.0 50.8 50.8 100 %

20

12.0 413 460 111 %
106 9.1 4.4 4.4 100 %
106 11.0 97.3 98.0 101 %
106 12.0 468 536 115 %
195 9.1 7.6 6.0 78.9 % 
195 11.0 146 154 105 %
195 12.0  525 648 123 %

Applicant's summary and conclusion