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购买 Copper Sulphate Powder and Suphuric Acid
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Sigma-Aldrich Copper(I) Sulfide, CAS 22205-45-4, Anhydrous, Powder, 99.99% Trace Metals Basis 5 G | Copper/Metal
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Sigma-Aldrich Copper(II) Sulfate Pentahydrate, CAS 7758-99-8, ACS Reagent, ≥98.0% 5 G
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Sigma-Aldrich Copper(I) Sulfide, CAS 22205-45-4, Anhydrous, Powder, 99.99% Trace Metals Basis 5 G | Copper/Metal
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