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How To Measure Activated Bleaching Earth Filtration Time
How to measure filtration time of activated bleaching earth: 1. Fill laboratory measuring glass with crude palm oil as much as 50 ml. 2. Fill fullers earth that will be measured into the glass as much as 5 grams. Stir fuller's earth and crude palm oil continuously while heated at a temperature of 100 degrees Celsius for 5 minutes. 3. Pour the mixture into the filter funnel coated with filter paper 3 cm diameter rounded. 4. After the activated bleaching earth has thickness 5 mm at the filter paper, count the oil drops time with a stopwatch until its volume 10 ml. 5. Good quality fullers earth has filtration time between 1 - 2 minutes, while bad quality fuller's earth has filtration time > 2 minutes or more. |
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Activated Bleaching Earth | Fullers Earth | Fuller's Earth | |
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