Carbonates Copper Carbonate $4.00 – $22.00 Select options Out of Stock Potassium Carbonate $3.50 – $28.00 Select options Chlorides Ammonium Chloride $3.25 – $16.00 Select options Oxides Antimony Trioxide $4.50 – $43.00 Select options Copper Oxide $4.00 – $23.00 Select options Iron Oxide (Black) $3.25 – $25.00 Select options Lead Oxide $7.00 – $75.00 Select options Tin Oxide $5.00 – $55.00 Select options Zinc Oxide $3.75 – $10.50 Select options