View cart “niobium pentoxide” 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 Chromium oxide Catalyst $85.00 Add to cart Oxidation Catalyst $95.00 Add to cart Silver Vanadate $48.00