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Coal Slime Dryer

South Africa Guar Gum Processing Factory

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Acidinsoluble matter transfer about 15 g of guar gum accurately weighed to a 250ml beaker containing 150 ml of water and 15 ml of sulfuric acid Cover the beaker with a watch glass and heat the mixture on a steam bath for 6 hours rubbing down the wall of the beaker frequently with a rubbertipped stirring rod and replacing any water