View cart “Chromium oxide Catalyst” has been added to your cart. Nickel Wool$14.50 Nickel wool Nickel Wool quantity Add to cart SKU: 21024 Category: Catalyst Additional information Additional information Package 2 g. Related products Add to cart Silver Vanadate $48.00 Add to cart Silver Oxide $8.00 Add to cart Cobaltous Oxide $62.00