Synthesis Of Alum From Aluminum Can Pieces - 1506 Words

Synthesis of Alum from Aluminum Can Pieces *Marita John, Crystal Chacko, and Natalie Luera CHEM 111-553 Introduction: There is a great demand in industries to recycle aluminum for a salt such as dyeing of textiles, manufacturing of pickles, baking powder, leather tanning, and as a flocculant in water purification, etc. The negative ionic charge of alum of potassium and its molecular structure makes this compound unable to be absorbed by the skin, therefore, it is sometimes used as antiperspirants by deodorant industries. The energy needed to produce new aluminum from the secondary aluminum product through recycling s is less energy than creating brand new products of aluminum. The main purpose is to synthesize alum, potassium aluminum†¦show more content†¦A filter paper was added to the Bà ¼chner funnel. The faucet, which acted as a vacuum source, was turned on. Before pouring the reaction mixture into the filter, the filter paper was wetted using distilled water. A pair of tongs were used to transfer the reaction into the filter from the beaker. After most of the reaction was in the filte r, the beaker was rinsed twice with 5mL of distilled water each time. The contents of the rinse in the beaker were emptied into the filter. After the filtration was complete and the dark residue of the aluminum can pieces was separated from the clear reaction mixture, the filtrate was transferred into another clean 250mL beaker. Then the filter flask was rinsed with 10mL of distilled water and added to the filtrate in the new reaction beaker. Then 20mL of 6.0M sulfuric acid was carefully added to the reaction beaker while being stirred with a stir rod. A stir bar was inserted into the reaction and the beaker was put on top of a hot plate to dissolve the solids that formed. After the solids were dissolved, the reaction was filtered with a vacuum filter as done previously. The reaction beaker was cooled in an ice bath created by adding ice chips and water to a larger beaker for the alum crystals to precipitate. The inside of the beaker was scratched with a stirring rod to facilitate t he formation of crystals. The vacuum filter was set upShow MoreRelatedMaterials And Methods Of Aluminum1302 Words   |  6 PagesIntroduction: Aluminum is a Materials and Methods: On an analytical balance, 0.9279 grams of aluminum can pieces were weighed out to then be transferred into a 250 mL beaker. In addition to the aluminum can pieces, 50.0 mL of 1.4 M KOH were added to the 250 mL beaker. A fume hood was used to remove any generated gas out of the laboratory. The beaker was then placed on a hot plate with a magnetic stirrer inside in order for the reaction to be completed in a shorter amount of time. 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