| 摘要 |
An apparatus for determining the concentration of oil in another liquid has an oil extracting apparatus for mixing a sample of oil containing liquid and an oil-extracting solvent, a source of solvent, a solvent pump having the intake side connected to the source of solvent and the discharge side connected to the oil extracting apparatus for pumping oil extracting solvent from the source of solvent along a solvent flow path into the oil extracting apparatus, a water pump for pumping a liquid containing oil therein into the oil extracting apparatus, a separator for receiving the mixture of oil, water and solvent from the oil extracting apparatus and separating the oil-containing solvent therefrom, and an analyzer for analyzing the oil-containing solvent for oil content. A solvent supply pipe is connected between the solvent flow path and the intake side of the water pump means and includes a control therein for limiting the amount of solvent flowing therethrough to an amount less than supplied from the solvent pump to the oil extracting apparatus.
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