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DETERMINATION OF BENTONITE REQUIREMENT
• Close the glass vials tightly with their caps and mix thoroughly.
• Wait for 15 minutes to allow suspended matter to settle.
• Fold a filter disc twice as shown in the figure.
• Separate one side from the other three to form a cone. Insert the folded filter disc in the funnel.
• Decant off clear liquid and filter the treated wine from vial #1 into cuvette #1 to collect 10 mL
of filtered sample. Place the cap #1 and wipe the cuvette thoroughly with a lint-free cloth (see
General Tips for an accurate measurements).
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