Two methods of evaporation will be used to finally determine the concentration of impurity- one using an explosion-proof hot-plate‚ and one using a rotovap. III. Theory Fig. 1a+1b. Figure 1a shows how water and oil separate in the separatory funnel‚ while figure 1b shows the actual apparatus. Liquid-Liquid extraction is a versatile and dependable separation technique wherein an aqueous solution is usually brought into contact with another organic solvent‚ exclusively immiscible with the former
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iron filings sand salt water magnet hot plate filter paper 50 mL & 100 mL beaker funnel tongs Directions: 1. Combine 1 g of iron filings‚ 1 g of salt and 1 g of sand in a petri dish. 2. By using a magnet remove the iron filings. 3. Place the mixture which contains salt and sand in a 100 mL beaker. 4. Add 50 mL of water to the mixture. 5. By using filter paper and a funnel separate the sand from the mixture. The sand will be left on the filter paper
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This form can be used for reporting analyses of volatile organic compounds‚ semi-volatile‚ petroleum hydrocarbons‚ PCBs‚ pesticides‚ herbicides‚ and other organics. Page 1 of 3: Analytical Result A. Header Information 1. After "Project No:"‚ enter the client’s project number (from cover page 1). This number is required on every page of the report. 2. After "METHOD"‚ enter the analytical method used. (e.g.‚ EPA 8260‚ or EPA method 8021). 3. After "REPORTING UNIT"‚ enter the appropriate
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A. Title – Acid-Base Extraction with Separatory Funnel B. Introduction – The main objective of the experiment was the extract an acid‚ a base‚ and a neutral compound from a 2:1:1 compound of benzoic acid‚ p-nitroaniline‚ and azobenzene. In theory‚ an extraction technique based on phase distribution should allow two immiscible solvents to separate with a portion of the solute distributed into each. Using a separatory funnel‚ acids were extracted with bases (NaOH)‚ and bases were extracted
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Eco L: Soil Diversity Introduction Soil is an ecological system consisting of inorganic minerals (sand‚ silt‚ clay‚ and nutrients)‚ pore spaces‚ water‚ gases‚ organic matter‚ living organisms‚ and plants (Thien‚ 2002). The soil is said to be stable structurally and chemically thus is considered an outstanding medium for soil organisms such as bacteria‚ fungi‚ protozoa‚ nematodes‚ arthropods‚ and earthworms. The potential habitats of these soil invertebrates are the spaces within the surface
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Biodiversity of invertebrates found in leaf litter in the Solebury woods Introduction: We are trying to compare the biodiversity of leaf litter invertebrates in forested areas on each side of the horseshoe trail on Solebury School’s campus. Each area has significantly different ecological histories. Leaf litter invertebrates are essential to the forests wood web. At the base off the food web are the main producers which would be trees or shrubbery. Then there are the primary
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Terrestrial Ecology Teamates: Olivia Nohrenhold Philippe Mukubi Daniel Ishmael Site: RRCC Old Frisbee Golf Course The BIO112‚ Sec 001 class did an investigative ecological survey in the field‚ just north of the Main Lakewood Campus. This report specifically focuses on circular plot #4. Team-Two consisted of Lance Harris‚ Daniel Ishmael‚ Olivia Nohrenhold‚ and Philippe Mukubi. Each member had various disciplines of study. Each topic has its corresponding researcher‚ next to the each heading
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Buchner funnel‚ the funnel was fit in a filter flask‚ which is an Erlenmeyer flask with a second opening off the side of its neck. The second opening was attached to an aspirator‚ which provided the vacuum. A circular piece of filter paper was placed over the holes in the bottom of the Buchner funnel. A heavy rubber tube was connected to the side arm opening on the filter flask. Then‚ the tube was attached to a special side opening on a water
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125-mL separatory funnel‚ place 10.0 mL of t-pentyl alcohol (2-methyl-2-butanol‚ MW _ 88.2‚ d _ 0.805 g/mL) and 25 mL of concentrated hydrochloric acid (d _ 1.18 g/mL). Do not stopper the funnel. Gently swirl the mixture in the separatory funnel for about 1 minute. After this period of swirling‚ stopper the separatory funnel and carefully invert it. Without shaking the separatory funnel‚ immediately open the stopcock to release the pressure. Close the stopcock‚ shake the funnel several times‚ and
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a control (no enzymes)‚ a test with water‚ a test with cellulase‚ and a test with pectinase. However instead of a coffee filter‚ a paper towel needs to be cut into a circle and folded into a funnel shape. The filter needs to be placed into the funnel to strain the liquids from the solids. The filter and funnel should be placed into a graduated cylinder to collect any extra juice that is released from the
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