The present invention provides a durable liquid housing container and a durable liquid supply apparatus which use a gas-liquid separation membrane. Thus, a gas-liquid separation membrane (2) located at an air vent in a liquid housing container (1) includes a fibril portion (2A) composed of fibrous portions and an annular node portion (2B) which bundles the ends of fibrous portions of the fibril portion (2A) and which is closed so as to surround the fibril portion (2A).

 
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> Removing metals from solution using metal binding compounds and sorbents therefor

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