2. 1 Theory Presence of Enterococcus faecalis, Escherichia coli, Enterobacter aerogens and Proteus mirabilis in water sample was estimated using membrane filtration followed by incubation of the membrane filter in appropriate growth media to examine the determine the presence of pathogenic micro-organism. Results and Discussions: Conventional Filtration: We have used the parameters as: −4 Pa.s To do this, remove the column from the syringe. 2.4g of salicylic acid is measured in a 100ml conical flask and is recorded. Abstract In this experiment, an impure compound was recrystallized and its identity was determined by finding its melting point. 1493 Words6 Pages. . . To filter a slurry of calcium carbonate in water. Measurements of glomerular filtration rate (GFR), and the fractional excretion of sodium (Na) and potassium (K) are critical in assessing renal function in health and disease. Spinach Group Experiment 3 - Individual Lab Report (Save as pdf and submit, due by 12:00 NOON one week after experiment) Last Name: Wang First Name: Zoey Lab . Cut about 2'' of the bottom of the water bottle off to create a funnel. There are several categories of reports and a lab report is one of them. In this experiment, we tested samples from Manchester's water supply includes that includes both surface water from reservoirs and groundwater from wells. We recorded our results every 30 seconds for 10 minutes. Three experiments were performed in this lab report, and although many of the hypotheses were accepted, it does show the amount of . Add 10 mL of 95% ethanol to the copper on the filter paper and let it sit for about 1 minute. Chromatography • Chromatography is an analytical technique used to separate the components of a mixture. The results from experiment 2 (Fig.2) shows the filtration process is almost free of particles and odors. Report the water hardness as ppm CaCO 3 of a 50 ml water sample that . can easily be demonstrated in a short lab designed to allow students to actively participate in some aspects of the experiment. Punch a hole in the cap of the bottle for the water to run through using the scissors. Filtration is the most common. To one jar, add 2 teaspoons of the activated carbon. Drying the Sand Sample for Recovery Calculations. Below, you'll find some helpful links to water pollution and filtration science experiments for use in the classroom or at home. This experiment is founded upon the work of Hayden (1974) The precipitate will be ascertain by conductimetry and confirmation . Figure 2B : The process of cross flow filtration SESSION I Methodology The protocol was followed as given in Lab Manual (G.K Suraish Kumar et al.) Observations Our water filter test consisted of a 2L soda bottle that we cup the top off and inverted to make a funnel. • To use fractional distillation to separate mixtures of liquids. Blacknote has been submitted by liquid-liquid extraction 9.5 report. Understanding the strengths and weaknesses of filters is important in knowing the quality of the water that comes out the filter. Scissors. Place the beaker with the wet sand on the hotplate and heat the sand to dry. Have students draw schematics of the layers. Write the equation for the titration of Ca+2 with EDTA. Punch a hole in the cap of the bottle for the water to run through using the scissors. Proceed with the filtration test. Un­screw the lid of the bot­tle, make a hole in it with the awl and place cot­ton wool in the lid. Swirl the soap/salt mixture and pour it on the filter paper. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . It depends on what they are designed for and if they . LAB REPORT FOR EXPERIMENT #2: RECRYSTALLIZING . 28 ml total solvent volume. Then pour the water back and forth between the two cups about 10 times. Students are to conduct additional research AND more importantly, incorporate the relationship . In this experiment, students use activated charcoal to tackle unwanted colours and odours in water, created by the addition of ink or food colouring and malt vinegar. Add about 50 cm 3 of water, or add water until the beaker is about one-fifth full. 11 EXPERIMENT 2: Recrystallization and Melting Point EXPERIMENTAL PROCEDURE: (refer to Zubrick text for additional details) Recrystallization: Using a hot plate, dissolve approximately 1.0 g of impure benzoic acid in 30 - 35 mL of hot water (water at or near its b.p.) Continuous Filtration 1. Filtration The Plate-and-Frame Filter Press A laboratory report submitted to Luis K. Cabatingan CHE 512L Instructor by Serge Lorenz Villasica October 5, 2015 f1. Filters can do three things. A quantitative analysis was done using Theory from the Water and Wastewater Treatment textbook and were compared with the Experimental Turn on the water to start the vacuum. Moisten the filter paper with a little deionized water from a wash bottle. The overall results from the experiment are that the 1059 grams of the heterogeneous mixture consisted of 8. Instructions Place the large stones in the funnel and hold it over a container, pour the water through. Close the bot­tle and turn it up­side down. The purpose of this experiment was to perform a liquid-liquid extraction method to extract the caffeine from the tea bags that were provided, and then recrystallize the caffeine. Make sure the seal is tight. Vitamin B 12 . 11) Repeat steps 6-9 five more times. Obtain a stop watch and remove the barrier. Kinetics analysis has placed in hydrogen peroxide and manganese dioxide lab report: a lab experiment features are ratings calculated to manganese . Their responses to di erent frequencies are investigated and the 'half power point' is measured. Notice that pepper remains in the coffee filter, while the second jar contains only salt water. Water Filtration October 18, 2016 October 25, 2016 Purpose: The purpose of this experiment was to demonstrate the steps of coagulation, sedimentation, and filtration that is used to purify surface water. Data Processing Technique: 8 grams of salt. Introduction {Students are to write their OWN introduction for the lab report and not a carbon copy of what is provided below. the final vacuum filtration step. 9) Drop the filter 10) Stop the recording with the video camera after the filter has passed the 1.065m mark. . Pour the sand-salt mixture into the beaker so that it just covers the base. Introduction Filtration is a unit operation that separates liquid from a suspension with the use of a porous medium (Coulson & Richardson, 2002). This experiment aids the understanding of how a cylinder withstands internal pressures and how . 2. Step-by-step in­struc­tions. When the liquid has been pulled through, rinse the soap with two 4% of the mixture, while salt makes up 20 . Introduction Loosen the T-screw until the filter cell can be removed from the frame. and integrated into this lab experiment as well. Cut about 2'' of the bottom of the water bottle off to create a funnel. Draw a flow chart (like pg 687 in PLKE) showing how you separated and isolated your two compounds. 839 Words; 4 Pages; Better Essays. Sulphuric acid is added to the mixture and is swirled. Our results were not as clear as I had hoped. 3. Synthesis Lab - Experiment 1: Separation By Distillation. Rinse both types of gravel and sand . Wash the column by injecting the alcohol through the column. Beginning with one filter, move to 2, 4, 6, 8, 10, and 12 filters. 2) using the 250 ml filter flask, the 3.0 cm Hirsch funnel and the 3.0 cm filter paper. Any materials you think will make a great filter (cotton balls, sand or gravel, uncooked pasta noodles, coffee filters, etc.) In other words, a lab report describes the process of a scientific and laboratory experiment from the beginning to the . Osmosis and Diffusion Lab Report Title: The Cell-Transport Mechanisms and Cell Permeability Objective: The objective of this experiment was to observe the diffusion of water through a selectively permeable membrane which defines osmosis. The principle behind a plate and frame press is filtration. Put the lids on both jars and set the jars in a place where they won't be disturbed for a couple days. FOA: Dr Tony Murmu. Turn the suction back on and let the vacuum filtration run for about five minutes. 5.2 Experiment 1: Filtration of Drilling Mud 1. Zeinab Ossaili - 7654795. Salt is soluble and sand will sink to the bottom, you can separate the rest with filtering and distillation (boiling). 1104 Words; 5 Pages; 2m Naoh . • To experience the limits of simple distillation when it comes to separations. . Introduction Filtration is a unit operation that separates liquid from a suspension with the use of a porous medium (Coulson & Richardson, 2002). CHE 151-50 Fall 2013 Lab report Isolating the Components of a Three Component Mixture The purpose of this experiment was to separate the component of three mixtures sand, sodium chloride and calcium carbonate then calculate the percentage by mass of each component recovered from the mixture. Make sure all of Spinach Group Experiment 3 - Individual Lab Report (Save as pdf and submit, due by 12:00 NOON one week after experiment) Last Name: Wang First Name: Zoey Lab . 38 ml total solvent volume. Filter presses consist of plated and frames assembled alternately with a filter cloth over each side of the plates as described in Geankoplis (2009). Procedure. This video depicts the pre-lab . • With filter paper it is necessary to use a "wick" (a small . A lab report follows the same routine as a typical report. 7. Students who viewed this also studied Exp3 Methods of Evaporation and Filtration Used to Separate Mixtures.docx 4 1.07 Lab Report Option 1.pdf lab 3 1.07 Lab Report Option 1 RE.pdf lab 3 lab techniques 1.07 experiment .docx lab 4 Lab Report.docx lab 7 Spectrophotometric Analysis of a Mixture of Red and Yellow Dye (Theory and Procedure).docx 14 Membrane 3: CA 202 (Cellulose Acetate) IV. ME Lab Report 0 50.4 1 ( RC)2 1 j C+1 1 j C 1 R j C 1 IZ IZ E E i o i o R gain (3) The break frequency of a low-pass filter is b, where b 1RC (units of rad/sec). 1 Theory Equilibrate the column by washing with 2-3 syringe volumes of water. The objective is to. This is due to the fact that it allowed the larger components to be removed from the mixture first. In this experiment, methyl ethyl ketone (MEK) is extracted by water from a hydrocarbon solvent (Isopar M). 1) They can improve the quality of water. Procedure. the holes - if it doesn't, the filtration won't work, so get a different piece of filter paper.) . 7. Filtration is the most common. . Lab 6: Paper Chromatography Pages145-154 Pre-lab page 151 No Post lab - Chromatogram must be turned in attached to lab report. Hemoglobin, which is reddish/brown, has a molecular weight of 65,000 daltons and is thus excluded from the column resin beads. The objective of this experiment is: • To use simple distillation to purify liquids. separate the solid from the fluid in which it is present. To make visual inspection of the quality of filtration. The purpose of this experiment was to determine the distribution of stress in a thick cylinder when subjected to internal pressure. In removing the largest components of the mixture first, it allowed more ease when applying the other three methods of . 5. Their responses to di erent frequencies are investigated and the 'half power point' is measured. Different watersheds have different pollutants that can naturally be filtered out, however, before the intensive filtration process we use today, there were many cases of Typhoid due to bacteria and pollutants in water. A Goldstar FG-8002 function generator was used to supply sinusoidal signals to the . application of the flow of fluids through packed beds. The focus was to specifically look for the presence of ions and the property of ph levels. It is analogous to the filtration carried out. Separating Salt and Sand Lab Report. Now, add 1/4 cup of colored water to each of the baby food jars. RC Filter Networks Lab Report Robert Clancy 04329741 December 8, 2005 Abstract The aims of this experiment are to examine RC circuits as low-pass and high-pass lters to source voltages of sinusoidal and square wave signals. If you find the links helpful, please let us know . Leave the other chamber completely untouched, this will be the control group for the experiment. Once filtering is complete, have them bring the test tubes to you for observation. Add 8 drops of red food coloring to the water and stir until mixed. 2m Naoh Synthesis Lab Report. The aim of this experiment is to determine the concentration of barium hydroxide and barium sulfate in a reaction. 2. Write the equations for the endpoint color change of Eriochrome Black T (EBT) with Mg+2 3. Your lab report should include the following: 1) a title 2) a brief description of the purpose of the lab 3) reference to an appended pre-lab, if there was one 4) for each experiment/measurement include: brief description of the experiment/measurement sketch of circuit/description of measurement, identifying measurement nodes and any other List the names, structures, and amounts of each compound in your mixture. 2) They can do nothing. We then built our filter bottom up, starting with a rubber banding a coffee filter to the bottom as a final catch-all for the finest particles. The solvents used in the experiment were an aqueous sodium carbonate and dichloromethane (DCM). Evaporation Lab Report. Rinse both types of gravel and sand . using a filter paper on a funnel or using a Buckner funnel in a laboratory. This will be Fraction B. Added tip of carbon black to mixture and mixture almost boiled over! What is Filtration•Filtration is a mechanical or physical operation which is used for the separation of solids from fluids (liquids or gases) by interposing . The slurry is the suspension from which the liquid is to be separated through a filter medium. Experiment 55: A Separation and Purification Scheme The final lab report/procedure write-up will consist of the following: Report guide: 1. Hemoglobin and vitamin B12 are the two molecules which are being separated in the lab activity. By using four different beakers and sacks, each of which contained different concentrations of Thick Cylinders Lab Report. 4. Vacuum filtration generally involves the use of vacuum filter flask, water pump, filter trap and sintered glass crucible. 2. The KHP molecule has a monoprotic characteristic and engages in a reaction with the NaOH molecule in a 1: 1 molar ratio. Table 3.1 Experimental Conditions Used in Filtration Experiments 86 Table 3.2 Data of L vs. t from Filtration Experiments 87 Table 3.3 Data of ps, εs, α and k from C-P Cell Measurement for CaCO3-H2O, Kaolin-H2O, TiO2-H2O and Kromasil-H2O System 88 Table 3.4 Constitutive Parameters for CaCO3-H2O, Kaolin-H2O, TiO2-H2O and Put the lid on the bottle and shake vigorously for 30 seconds. We hope these resources help you introduce the importance of clean, safe water to your students. Experiment #11: Testing Water Filters. Hemoglobin will pass more quickly through the column and appear in the early collection tubes, or fractions. Decide if the water is A, B or C grade and help them measure their sample in a graduated cylinder. Design Analysis 2. The purpose of this experiment is to understand the filtration process of water from watersheds. Filter the mixture into a conical flask. The experiment is titled: Conductimetric Titration and Gravimetric determination of BaSO 4 Precipitate. Once completed, give each team 25 ml of the dirty water to begin to filter in their test tubes. ENE 806: Backwashing of Sand Filter Medium ρf = density of filter material (kg/m3) In this experiment, we have measured two parameters primarily, Bed Expansion and Pressure Drop across the sand bed. pores of ultra-filtration membranes can remove particles of 0.001-0.1µm from fluids. 3-7) the Ammonia and Chloride test results were 0 mg/L for all three water types. . The experiment reflects the wide application of activated charcoal in organic chemistry and industry, including its use for the removal of objectionable tastes and odours from . About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . It is analogous to the filtration carried out. Determine permeability and porosity of the cake from the batch experiment. Filtration has these important elements: the slurry, the filter medium, the filtrate and the filter cake. FILTRATION. Filtration is the separation of solid from a fluid by means of a porous medium that retains the solid but allows the fluid to pass. A vacuum filtration apparatus should be setup at your station (as shown in Fig. *Don't worry if you don't have all of the materials. 1-2 empty plastic water bottles. 18. Experiment 3: Filter Press Purpose To understand the operation of the filter press. Add the small stones to the top of the large stones and repeat, does the water look clearer? Before use, set the condition of HPLC machine first with the injection volume. Method used: 6mL of acetic anhydride is added to the salicylic acid to the flask in the fumehood. - 2. In the nozzle of the bottle we stuffed 2 cotton balls. Use the following instructions to separate the . Fill the syringe with 35% isopropyl alcohol and attach the syringe to the column. • All forms of chromatography work on the . Teach about the water crisis and inspire students to get involved. Membrane 4: FP 100 (Polyvinylidene Fluoride) LAB REPORT ON MEMBRANE SEPARATION (L9) 4 f3.0 OBJECTIVES The aims of this experiment are: - 1) To study the characteristic of 4 different types of membrane silicon in terms of separation process. Then record the amount of pillbugs on the light and dark chambers after every 30 seconds. 1 grams of sand, and 2. Filtration will further separate the sample from the impurities.1 In the experiment, the unknown compound was dissolved and filtered, resulting in a clear solution . Anhydrous calcium chloride pellets were used to dry the solution and . Towel or paper towels (for spill clean up) Cheesecloth or gauze to cover the mouth of the bottle. Remove the filter cell and disassemble it. B00259331. In experiment 3, (Fig. Submission Date: 18th December 2015. Fill a measuring cup with 1/2 cup of water. Separating components of a mixture of salt and sand and calculate the mass of each. 6. This paper before breaking down the gradual decrease after volume collected by filtration, the cims used within a complication of polyaromatic hydrocarbons, they will stay the pyrolysis step. 10ul, the flow 0.5 ml/min, pressure bar 35.85, and temperature 55ºC. Stir the mixture gently for a few minutes. Chilled crystals in ice bath for 19 minutes. The salt can be separated from water through evaporation. Notice how it looks and smells. Determine effects of pressure drop, slurry concentration, and initial amount of slurry on the filtrate flow rate and the porosity and permeability of the filter cake. Seal the paper with a small amount of cold solvent. Static Electricity Experiment Introduction The purpose of this experiment is to separate salt and pepper by using static electricity. Turn the suction back on and let the vacuum filtration run for about five minutes. carbon filtration experiment (from left to right: 0 drops per cup of liquid, 2 drops per cup of liquid and 5 drops per . Experiment A low pass filter was constructed on a breadboard and instrumented as shown in Figure 2. Check to see that the rubber gasket in the base cap is evenly placed. If salt and sand are a mixture, then we can separate them by physical processes. The sand makes up 80. Mixture is heated for 10 to 15 min to complete reactions. Pour the filtrate into an evaporating basin. application of the flow of fluids through packed beds. Be certain that all parts of the filter cell are dry and clean. in a 125 mL Erlenmeyer flask. Placed the samples into the tray and don . 2. Lab$5:Filters$ EE43/100Spring$2012$ V.$Lee,$T.$Dear,T.Takahashi$ 4$ $ $ The$figure$above$shows$the$transient$analysis$of$an$inductor$network.$Again,the$red$line . When the sand is completely dry, the sand should be free-flowing. 2. The more lay­ers, the more ef­fec­tive the pu­rifi­ca­tion . using a filter paper on a funnel or using a Buckner funnel in a laboratory. In this experiment, the first separation method applied to the mixture was sifting. separate the solid from the fluid in which it is present. The technique is faster than gravity filtration. The Determination of Water Hardness and Water Filtration Things for the lab notebook and to be included in the lab report: 1. Transfer the wet sand from the filter paper to the beaker. Add the sand and repeat again. 1.5637 grams of impure acetanilide. KHC8H4O4 (aq) + NaOH (aq) → KNaC8H4O4 + H2O (l) 0.4798g / 202.4 g/ mole = 0.00237055336 moles of KHP (KHC 8 H 4 O 4 ). Except that in a lab report, you are mostly dealing with scientific and laboratory experiments. Consequently, taking into account that the KHP reacts with the NaOH in a . Good Essays. The equation is the following. The three methods will be compared at the end of this lab report. stopwatch or timer DIY Water Filtration System for Science Project Pour swamp water in the 2-liter bottle with a lid. Read More. Solid-liquid and liquid-liquid extractions are commonly . September 13, 2012. Add 10 mL of 95% ethanol to the copper on the filter paper and let it sit for about 1 minute. 8. The objective is to. 2) To plot the graph of permeate weight versus time. C. ISOLATING THE RECRYSTALLIZED PRODUCT WITH VACUUM FILTRATION. 12) Repeat steps 6-10 while varying the number of coffee filters. 3 to 4 drops of conc. To examine the rate of filtrate collection for different operating pressures. Lab$5:Filters$ EE43/100Spring$2012$ V.$Lee,$T.$Dear,T.Takahashi$ 4$ $ $ The$figure$above$shows$the$transient$analysis$of$an$inductor$network.$Again,the$red$line . Aim. Water Filter experiment by: Gabriel Gonzalez and Juan Diego Luengo 10-4 Biology Hypothesis Materials Used If water containing bacteria and dirt goes through the water filter then the water will be clearer after filtration because materials like sand, dirt and carbon will clean the water and remove the dirt. . Allow the sand to cool to room temperature. Rubber bands. During evaporation the solvent evaporates, leaving solid particles behind. 3) They can make it worse. Org lab recrystallization lab report final 1. . Pressurized liquid mixer liquid filtrate in this lab report: 10th june 10 ug of the mobile phase extraction. Batch Filtration 1. Pour lay­ers of sand and char­coal in the bot­tle. . Preparation of Aspirin.