Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

mode of degradation in actual use
Type of information:
experimental study
Adequacy of study:
disregarded due to major methodological deficiencies
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: Sampling strategy, samples treatment and GC separation procedure poorly documented.

Data source

Reference Type:
Characterization of totally chlorine-free effluents from kraft pulp bleaching. III. Analytical pyrolysis of high-molecular-mass hardwood-derived materia
Ristolainen M.; Alen R.; Toivanen J (1999).
Bibliographic source:
Journal of Analytical and Applied Pyrolysis, 52(2), 225-237.

Materials and methods

Test material

Constituent 1
Reference substance name:
Reference substance 001
Details on test material:
Effluents from kraft pulp bleaching.

Results and discussion

Any other information on results incl. tables

Remark: Vanillin was identified in effluents sampled at different steps of a  full-scale bleaching plant, using silver birch as pulpe source.
Vanillin concentrations are expressed as mg of vanillin per g of dry  sample amount analysed by PY-GC-MS. For bleaching stage signification to 

report to "Method" freetext.

Bleaching stage      O          X          Z       EOP      AZ       EP         S
µg/g dw               0.193   0.154   0.127   0.129   0.110   0.155    0.220

Applicant's summary and conclusion