Powder drying in cancer research Situation The product to be concentrated was an intermediate in the synthesis of an anti- cancer drug. The objective The maximum time the drying process was allowed to last was 8 hours due to the sensitivity of the product. During this time, the temperature of the product inside the evaporating ?ask was not allowed to rise above 35 °C. The goal was to minimize any residual moisture in the product with as little lumps being formed as possible Set up Hei-VAP Industrial with A1 glassware set, 20 L powder ?ask, Rotavac 20 vacuum pump, Hei-CHILL 5000 chiller. The process and result10 liters of IPA (isopropanol) was charged via the inlet tube on the Hei-VAP Industrial to 0.5 kg of a solid, amide-like derivative in a 20-liter ?ask. This was mixed for 5 minutes at

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