3815120010
- Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included
- Supported catalysts
- With precious metal or precious-metal compounds as the active substance
- Catalyst, in the form of granules or rings of a diameter of 3 mm or more but not more than 10 mm, consisting of silver on an aluminium oxide support and containing by weight 8 % or more but not more than 40 % of silver