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Osmomat 090
Measurement Menthod
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 The membrane osmometer OSMOMAT 090 consists of an osmotic cell which is located in a cell thermostat.
The osmotic cell is divided into two sections by a semipermeable membrane.
In the lower section, a hermetically sealed cell which is filled with pure solvent, a precision pressure measuring system is installed.
The upper section, which is positioned above the semipermeable membrane, is designed as a meander-shaped channel system with a large surface. A funnel tube and a discharge valve enable rinsing and filling of the cell with solvent or polymer solution.
Due to the osmotic pressure difference between solvent and solution, a vacuum, which is
related to the concentration of the osmotic actively solute particles, is generated in the lower cell half.
The cell unit must be operated with a GONOTEC Control Unit "SA" or Control Unit "B". |
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© 2004 gonotec GmbH - Impressum
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