LIQUID PRESERVING VESSEL FOR USE IN LIQUID SAMPLE ANALYZERS

摘要

Vessel comprises a closed bag consisting of membrane members having very low permeability for air and water vapour and great flexibility, the bag mouth being sealed tightly with a rubber plug. The membrane comprises a four-layer laminate with outermost polyester layer followed by a vacuum-deposited aluminium layer, a nylon layer and a low-density polyethylene layer.