Registration Dossier

Environmental fate & pathways

Additional information on environmental fate and behaviour

Administrative data

Endpoint:
additional information on environmental fate and behaviour
Type of information:
other: Qualitative statement
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Acceptable procedure and publication

Data source

Reference
Reference Type:
publication
Title:
The reaction rates of polysilicic acids with molybdic acid
Author:
O'Connor TL
Year:
1961
Bibliographic source:
J. Phys. Chem. 65, 1-5.

Materials and methods

Principles of method if other than guideline:
Qualitative statement on extent of depolymerisation of commercial sodium silicate solutions.

Test material

Reference
Name:
Unnamed
Type:
Constituent

Results and discussion

Any other information on results incl. tables

RM-Freetext:
Polymerisation-Depolymerisation:
Upon dilution of concentrated commercial silicate solutions with water, the highly cross-linked polysilicate ions depolymerize rapidly to monosilicate ions, the extent of depolymerisation depending on the dilution factor.

Applicant's summary and conclusion