Flue dust, precious metal refining

Auto flammability

Administrative data

Endpoint:

auto-flammability

Type of information:

experimental study

Adequacy of study:

supporting study

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: GLP compliant, guideline study, available as an unpublished report, reliable without restrictions.

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2010

Materials and methods

Test guideline

Qualifier:

equivalent or similar to guideline

Guideline:

other: Method N.4 of the UN Transport of Dengerous Goods, Manual of Tests and Criteria, fourth revised edition, 2003.

Deviations:

yes

Remarks:

Due to limited volume of test item available a modified method was used.

Principles of method if other than guideline:

Temperature of test item aliquot heated in oven. Temperature of oven and centre of test item constantly monitored with thermocouples for signs of self heating.

GLP compliance:

yes (incl. QA statement)

Test material

Test material information

Constituent 1

Reference substance name:

Flue dust, precious metal refining

EC Number:

308-496-3

EC Name:

Flue dust, precious metal refining

Cas Number:

98072-44-7

IUPAC Name:

Flue dust, precious metal refining

Details on test material:

- Name of test material (as cited in study report): Refinable No 7: Flue dust, precious metal refining
- Physical state: Grey powder
- Lot/batch number: AAF4
- Expiry date: 17 June 2030
- Storage condition of test material: Room temperature in the dark

Results and discussion

Auto-ignition temperature (liquids / gases)

Remarks on result:

other: No self-heating of the substance was observed up to 400°C

Relative self-ignition temperature (solids)

Remarks on result:

other: No self-heating of the substance was observed up to 400°C

Any other information on results incl. tables

There were no signs of self-ignition or self heating over the duration of the test.

Applicant's summary and conclusion

Conclusions:

The substance was heated up to 400°C. There were no signs of self-ignition or self-heating over the duration of the test.

Executive summary:

In a GLP-compliant, guideline test the substance was heated up to 400°C. There were no signs of self-ignition or self-heating over the duration of the test.