COMPONENT PEAK WIDTH RETENTION PEAK AREA TIME (S) (COUNT 10) AT , H (S) MEAN MEAN 9 Limonene 0.17 37.12 173 10 Eucalyptol B-Ocimene 0.15 37.32 27.6 11 0.15 37.73 676 13 Linalol 023 40.79 998 15 Lavandulol 0.17 44.20 33.4 16 Bomeol 0.18 44.76 33.7 4-Terpineol a-Terpineol 20 Linalyl acetate 17 0.18 45 20 143 18 0.17 45 80 56.9 0.23 48.62 1298 21 Lavandulyl acetate 0.16 50.03 128 23 Neryl Acetate 24 Geranyl Acetate 0.16 53.45 15.3 0.16 54.31 26.8 25 aSantalene 0.16 56.75 195 26 Caryophillene 27 B Farmesene Cadinol 0.17 57.19 127 0.16 57.75 69 28 0.19 64.35 21 Source: Thermo Fisher Scientific, Milan, Ital
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- Normal text Calibri BI UA G |EE| +2 I +3+1 CICCO4, 1 LE | ZJ VITICHI SUpstances did not test positive for any of the organic compound Distilled water did not test positive for any of the organic compounds. 5| 6 3) 4) What do all of the indicators you have used have in common? Indicators are all substances whose solutions change color due to changes in p 5) Is there a macromolecule that the tests in this lab did not test for No, there is no macromolecule that the lab did not test for. 6) Which compound is most common in foods that come from plants? Cellocuse is the single most common biochemical compound in living things. 7) If you wanted to reduce the amount of fat in your diet, what foods would you avoid? Steer away from foods high in saturated and trans fats like fried foods, fatty meats, stick margarine, snacks and items with hydrogenated oil. M 6 8) Which foods tested would your body use for a quick burst of energy? a. For energy when no carbohydrates are available? b. For building…Question: Determine the amount of dehydrated medium needed to prepare 15 butts, 20 slants, and 25 butt-slants. Include amount for 2 additional units of each as excess to compensate for compounding losses.Answer the ff and state references: For his experiment, Brian needs to prepare 30 plates (use maximum volume), 15 slants (small test tube), and 15 stabs (big test tube) of Luria What is the total volume of the medium needed? What is the amount of each component needed, given the following media composition per liter of distilled water: Component g/L tryptone 10.0 NaCl 5.0 yeast extract 10.0 agar 15.0
- Date Sheet Extraction ODD EVEN ODD EVEN GROUP Single Extraction 1 Single Extraction 2 Multiple Extraction 1 Multiple Extraction 2 Weight of tea leaves 10.002 (g) 10.123 (g) 10.013 (g) 10.007 (g) Weight of evaporating dish + caffeine 123.689 (g) 124.334 (g) 121.815 (g) 126.523 (g) Weight of empty evaporating dish 123.513 (g) 124.147 (g) 121.614 (g) 126.246 (g) Weight of caffeine Post Lab Questions Explain the principles involved in extraction. What other organic compounds can be extracted from tea bags? Draw their structures and briefly mention their biological function/s. Why do you need to add sodium carbonate in the extraction process?Date Sheet Extraction ODD EVEN ODD EVEN GROUP Single Extraction 1 Single Extraction 2 Multiple Extraction 1 Multiple Extraction 2 Weight of tea leaves 10.002 (g) 10.123 (g) 10.013 (g) 10.007 (g) Weight of evaporating dish + caffeine 123.689 (g) 124.334 (g) 121.815 (g) 126.523 (g) Weight of empty evaporating dish 123.513 (g) 124.147 (g) 121.614 (g) 126.246 (g) Weight of caffeine 1. Identify the two layers in the procedure. In which part does caffeine can be extracted? 2. The partition coefficient K for a compound between dichloromethane and water is determined to be 56 : 1 (K=56). If 10.0 mg of the compound is dissolved in 50.0 mL of water and this solution extracted with 25.0 mL of dichloromethane, how many mg of the compound will remain in the water layer following the extraction procedure? Show you calculationsC. Spectrophotometric Measurements of the Hill Reaction 1. Place 15 mL of the 0.05-mg chlorophyll/ mL suspension in a test tube. Wrap the tube with aluminum foil and chill in an ice bucket. This is the source of unheated chloroplasts. 2. Place the remaining 10 mL of the 0.05-mg chlorophyll/mL suspension in a test tube and heat until boiling using an alcohol lamp. Heating inactivates the chloroplasts. Stand the heated mixture for 5 min. to allow the debris to settle.
- Explain the color changes observed throughout the peroxide value of oil experiment. Materials:1. Old and fresh oil samples2. Distilled water3. Acetic acid/chloroform solution4. Saturated potassium iodide solution5. Sodium thiosulphate (0.01M)6. 1% Starch indicator: dissolve 1g of starch in 10 ml of water and then add 90 ml of hotwater to itRf Sample values 0.21 В 0.39 C 0.33 0.27 Four amino acid samples were subjected to a normal-phase chromatography set up yielded the following Rf values. Which among the samples is the least polar? E and O A O B ODA sample to be used for medical imaging is labeled with 18F,which has a half-life of 110 min. What percentage of the originalactivity in the sample remains after 300 min?
- 9026238page=9 La-donya 021 Exam Containers Undergraduate Exam Only Containers | S1, 2020/21 EXAM CHEM0901 | S1 2020/21 mistry) ISTRY A If the enthalpy of standard formation enthalpies of CO and CO, are -110 kJ mol and -393.5 kJ mol, respectively, what is the enthalpy change for the reaction? co+1/20 CO. (e) Select one O a 283.5 kJ mo Ob-283.5 kJ mol O C -503.5 kJ mol Od 141 8 k mol 223 pm 10/12/2020 A ENG irsert prt sc delete home 6 8 Y enter H. K pause ctrl altActive Raw Actual Yield Formulation Dosage Form Packaging Ingredient Materials 2 kgs calcium oxide and Calcium 1.75kgs 16omg per Oral 100mL per carbonate calcium 10mL Suspension bottle 1.75 kg H,O carbonate suspension Please fill the cells in the second column of the table below with correct information. Thank you! IA. RAW MATERIAL SOURCING Source (natural/synthetic) of RAW MATERIALS Method of separation/chemical reaction (with brief process) IB. ACTIVE INGREDIENT INFORMATION Active Ingredient Chemical Name/Other Name Active Ingredient Classification (ex. Analgesic)In kool aid chromatography, what factors affect the efficiency of the column? Also discuss the Van-Deemter equation.