Zeolite ZK-5: A New Molecular Sieve

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Science  28 Jun 1963:
Vol. 140, Issue 3574, pp. 1412
DOI: 10.1126/science.140.3574.1412


An aluminosilicate of novel crystal structure has been synthesized. It has molecular-sieve properties that permit separation of straight-chain from branched-chain and cyclic hydrocarbons. This zeolite is unusually stable in solutions of low pH.