Mr Daniel Green started Healthy Drinks two years ago. He started his business with a healthy milkshake in the UK market. Because of his innovativeness and eccentric capabilities‚ the company experienced increased sales in its first year. However‚ the company started facing difficulties in meeting its sales targets because too many competitors also entered into the market. Mr Green wants to add new range of drinks‚ juice or smoothie but he also wants to keep the current products. As an innovation
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minutes on a hot plate and the let it to cool down to room temperature. Then we used the fritted funnel with Celite‚ which is a filter aid inside the filter for filtration. If foaming occurred‚ vacuum had to be removed right away until foaming disappeared. Afterwards‚ the filtrate was transferred evenly into 2 separatory funnels‚ and extracted with 4*20 mL of dichloromethane (CH2Cl2). The separatory funnels were rolled carefully and not shaken. After the extractions‚ the organic (bottom) layer was
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It must be noted that the actual undertaken procedure included a few differences from the ideal protocol. A total of 7 ml of extra water was added to the reaction before it was treated in the separatory funnel due to there being so much white precipitate that the mixture had turned to a paste as opposed to a liquid. The aqueous layer was accidentally not drained between adding the two different ether fractions‚ so the aqueous layer was drained after that and 10 ml of extra diethyl ether were added
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carbonate) instantly with the calcium chloride solution. Next‚ a filteration system was set up: A small cup was placed inside a larger cup for support and a funnel placed in to the small cup. Then‚ a 1.1 gram circle of filter paper was folded in half twice and one section of the folds in the filter paper was opened to fit into the funnel. Then‚ the
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Preparation of Fruit Flavors (Pear) Abstract. In this experiment an assigned Ester is prepared‚ particularly n-Propanol. The Preparation was done via Fischer reaction. In this reaction‚ a reflux set-up is required. The reflux set-up was used in the liquid-liquid extraction. After adding an immiscible solution to the compound containing n-Propanol‚ the mixture now will have two layer: the Organic and Aqueous layer. The organic layer is the extract needed and its % yield is computed resulting to
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large extraction. This is because some solubility in one layer will cause an equilibrium reaction between the organic and aqueous layers. Performing several smaller extractions will provide more opportunities to separate the components. A separatory funnel can be used for a chemically active extraction. Recrystallization is a method of purification. Many substances are impure and require purification in order to obtain the desired product. There are three steps involved in recrystallization: dissolving
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Extraction of Caffeine from Thea sinensis Abstract Extraction of Caffeine from Thea sinensis main objective is to isolate‚ purify characterized caffeine from tea leaves. Sublimation technique was used to get the % yield which is 0.07%. The melting point of the standard caffeine with the sublimate is 229°C. Introduction The active ingredient that makes tea and coffee valuable to humans is caffeine. Caffeine is an alkaloid; a class of naturally occurring compounds containing nitrogen and
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methods including heating reaction mixture under reflux‚ extraction using a separatory funnel‚ drying with anhydrous sodium sulfate‚ and refractometry. Experiment Scheme: First‚ we prepared the solvent-nucleophile medium. We combined 44mL 7.7M sulfuric acid with 4.75g ammonium chloride and 8.75g ammonium bromide‚ and we heated the mixture with stirring to dissolve the salts. We put 17mL into a separatory funnel for use in the second reaction‚ and placed the rest into a reflux apparatus for our
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Computer The Determination of a Chemical Formula 1 Second‚ you will conduct a chemical reaction with the dried sample‚ which will produce elemental copper. By measuring the mass of copper that forms‚ you will have the necessary information to determine the moles of copper and chlorine in your sample‚ and you will be able to establish the proper chemical formula. OBJECTIVES • • • In this experiment‚ you will Ev al Determine the water of hydration in a copper chloride hydrate
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Quantitative Separation of a Mixture Lab Pre-Lab Questions: 1. Define the following: Physical Change Heterogeneous Mixture Sublimation Filtrate Residue 2. List two physical separation methods. 3. List the formula for determining percent composition by mass. Objectives: 1. to separate a three component mixture and 2. determine the percent composition by mass of each component in the mixture. Materials: Ammonium chloride (NH4Cl)‚ Sodium chloride (NaCl also known as
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