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Lindlar Catalyst

Lindlar catalyst is a heterogeneous catalyst for selective catalytic hydrogenation, which is made of palladium adsorbed on a carrier (such as calcium carbonate or barium sulfate) and a small amount of inhibitor (such as lead acetate or quinoline) added. Its chemical composition is usually Pd-CaCO3-PbO/Pb(OAc)2 or Pd-BaSO4-quinoline, in which the palladium content is 5% to 10%12.

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