EXPERIMENTAL METHOD - EXPERIMENTAL METHOD Instruments In...

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EXPERIMENTAL METHOD Instruments In the experiment of Aqueous Two Phase System, the refractometer and the conductivimeter are used while collecting the data for calibration curves. Refractometer It is an instrument which is used to measure the dry matter in percent optically. Before using the instrument, the glass part is cleaned well. The liquid is dropped to the all glass part. The value is read after calibration. Then again, the glass part is cleaned. Especially in food company laboratories’ and chemistry area, refractometer is used for measure the dry matter. Figure 1: Refractometer Conductivimeter It is an instrument which is used to measure the conductivity of solutions. Before using the instrument, it is calibrated. Firstly, it is cleaned with pure water. It is sunk into the solution. The fixed value is read.
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Figure 2: Conductivimeter Also pipettes, test tubes, beherglass and burettes are used. Chemicals
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This note was uploaded on 05/01/2011 for the course CHE che 320 taught by Professor Ahmetarslan during the Spring '11 term at Middle East Technical University.

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EXPERIMENTAL METHOD - EXPERIMENTAL METHOD Instruments In...

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