Tetrasodium 2-(1,2-dicarboxylatoethylimino)succinate

Biodegradation in water: screening tests

Administrative data

Endpoint:

biodegradation in water: ready biodegradability

Type of information:

experimental study

Adequacy of study:

key study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

1997

Report date:

1997

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

EU Method C.4-B (Determination of the "Ready" Biodegradability - Modified OECD Screening Test)

Test material

Test material information

Constituent 1

Study design

Inoculum or test system:

other:

Duration of test (contact time):

28 d

Initial test substance concentration

Initial test substance concentration 1

Initial conc.:

1 g/L

Based on:

test mat.

Initial test substance concentration 2

Initial conc.:

19.8 mg/L

Based on:

DOC

Results and discussion

% Degradation

Parameter:

% degradation (DOC removal)

Value:

79

Sampling time:

28 d

Applicant's summary and conclusion

Validity criteria fulfilled:

yes