Filtration is a technique used to separate a solid from a liquid. The solid is separated from the liquid phase by passing the mixture over a filtering media. Filtering media is characterized by being chemically inert to the mixture‚ and having small pathways for the liquid to pass through‚ but these pathways should be smaller than the solid particle size. Filtering media can be prepared using paper‚ fritted-glass‚ or any porous material. The mixture can be forced through the filter by either gravity or
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Groups can be given different mixtures. Each group then carry out their own experiment‚ makes a write up of their procedure and presents to the rest of the class together with the samples obtained. UNIT 1: MIXTURES AND PURE SUBSTANCES This unit is suitable for senior one (S1) BRIEF DESCRIPTION OF THE UNIT: This unit deals with: • Methods of separating mixtures. • Methods of drying solids. • Methods of determining purity of solids and liquids. LEARNING OBJECTIVES Students
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July 14‚ 2009 Experiment 6: Fractional Distillation. Separation of Petroleum Hydrocarbons Abstract: A mixture of cyclohexane and toluene were separate from one another by fractional distillation in order to measure the composition of each fraction and prepare the sample for gas chromatography. Introduction: Distillation has been used since antiquity to separate the components of mixtures. This method has been used to manufacture different organic chemicals but the most recent application
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filtration and fractional distillation were performed to get a more concentrated solution. The density of ethanol was .825 g/mL with a percent composition of 85% pure ethanol. Introduction Fermentation is a metabolic process in which an organism converts a carbohydrate such as starch or sugar‚ into an alcohol or an acid. One particular alcohol‚ ethanol is the least toxic of the alcohols and as such‚ has
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Chromatography Analysis of Product Mixtures Gas Chromatography Guidelines‚ Handout. Introduction Gas chromatography is a technique used to analyze chemical compounds that can be vaporized and separated in a gas phase column. Once separated‚ the analyzed substance is passed through a detector and data is obtained. The samples that we are going to analyze are: the EtOAc from Simple distillation‚ the Fraction 1‚ Fraction 2‚ and Fraction 3 from the Fractional Distillation. Experimental Procedure
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Data and Conclusions: The purpose of this experiment was to learn how to use distillation and gas chromatography to separate and identify different compounds from a given mixture. There are several kinds of distillation methods. However‚ the method that we used in this experiment was fractional distillation. This method is used when trying to separate two different volatile compounds whose boiling points differ by 40-50°C or more. If the boiling points are too close‚ this method
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Simple Distillation of Vodka Ancell Julienn C. Cruz Department of Pharmacy‚ Faculty of Pharmacy University of Santo Tomas‚ Espana Street‚ Manila 1008 Date Submitted: July 5‚ 2012 Abstract Distillation is a process of converting a liquid to a vapor‚ and then‚ collecting the distillate in another container. There are four distillation methods which are fractional distillation‚ simple distillation‚ vacuum distillation and steam distillation. The methods used here are fractional and simple
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purify mixtures. There are many kinds of separation techniques that are used in our day to day life‚ such as filtration‚ Centrifuging‚ Decanting‚ fractional distillation and sieving. Each of these methods has their own specific uses in our daily lives which make our chores much easier to carry out. Filtration is one of the most commonly used separation technique in a household. This method uses a funnel outlined by a sieve called the filter to separate the solid “residue” from the liquid “filtrate
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process which consists of a pump‚ a reactor‚ an absorber‚ and a distillation column. The feed consists of 2 chemical components‚ A and B‚ which are fed into the reactor in which the following reactions take place: Reaction 1: Reaction 2: Reaction 3: A + B A 2C → C → D + 2E → D + F Pure F Pure E S4 Components A and B S1 S7 S5 S2 Reactor S6 Pump S3 S8 Absorber Distillation column Pure liquid component E is fed into the absorber‚ in which all of component
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1.1.2 Identify the difference between elements‚ compounds and mixtures in terms of particle theory Elements are simplest form substance meaning cannot be decomposed further physically or chemically. They are made up of same type of atoms only e.g. helium‚ oxygen. Compounds are pure and they consist of 2 or more elements bonded chemically (fixed ratio). They can be decomposed chemically. E.g. sodium chloride‚ carbon dioxide Mixtures are the blending (physically combined‚ hence can be separated)
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