Bleach Oxidation of 9-Hydroxyfluorene The purpose of this experiment was to oxidize an alcohol (9-hydroxyfluorene) to a ketone (9-fluorenone) using aqueous sodium hypochlorite (bleach) as the oxidizing agent‚ while introducing techniques used in microscale experiments. Reaction: Results 1. Recrystallized Product Yield Product yield = (actual yield/theoretical yield) x 100% 3mL 9-hydroxyfluorene x (1mL/1000mL) x (0.09 mol/L) = 2.7 x 10-4 moles 0.05g 9-fluorenone / (180.20g/mol) = 2.77 x 10-4
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The world as a whole currently faces several dramatic problems. Examples of these world problems include terrorism‚ desertification‚ overpopulation‚ deforestation‚ pollution‚ and world hunger. Of all these world problems the two that should currently be focused on are deforestation and pollution. Millions of acres of forests are chopped down by large lumber companies for the means of economic success. The world’s air and water is constantly polluted by dangerous machinery emissions and factorial
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Infrared saunas work differently from the traditional ones because the infrared technology directly heats the people while those using wood or electric stove only heat the air inside the sauna. This is why the advantages of using an infrared sauna can be even more numerous‚ including the fact that they can truly improve your aspect. Let’s see how exactly can infrared saunas make us look much better. Skin Rejuvenation Due to the fact that we constantly expose our skin to all sorts of chemicals
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Cited: 1. National Research Council. 1996. National Science Education Standards. Washington D.C.: National Academy Press. 2. John Vassallo (ed) 1995 Special issue on synchrotron infrared spectroscopy Synchrotron Radiation News 8. 3. R. L. Brunelle and Reed 1984 Forensic Examination of ink and Paper (Charles C. Thomas Pub Ltd‚ Springfield). 4. R. Saferstein (ed) 2001 Forensic Science Handbook (Volume 1) (Prentice Hall‚ New Jersey)
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degradation by-products such as furans‚ CO2‚ CO and water [8]. For reliable operation of transformers‚ it is therefore important to embark on effective maintenance strategies using various degradation sensing techniques such as the furan analysis and infrared spectroscopy‚ aiming at identifying the change in properties and concentrations of these by-products associated with the degradation of transformer insulation. Predictions of such problems make the removal of the transformer from service possible
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Meta Title: How the Top Four Elements Lead to the Best Far Infrared Sauna Reviews Meta Description: To attain the best far infrared sauna reviews‚ a sauna manufacturer commonly offers these four significant factors that most competitors lack. NOTE: THERE IS NO NEED TO SOURCE AN IMAGE. WE WILL DO THIS FOR YOU. Image Title: Best Far Infrared Sauna Reviews Due to Four Fundamental Dimensions Image Description: Achieving the best far infrared sauna reviews relies on four components that ensure not
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According to R. James Seffrin‚ a director for the Definitive Internet Resource for Infrared Thermography‚ Seffrin explains that all objects emit infrared radiation as long as the object is above absolute zero (Kelvins). The cameras that can see and distinguish temperature are called‚ “thermal imagers.” These imagers convert the perceived radiation into scaled colors
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New forensic laser technique for hair analysis Using a new laser technique‚ Jim Moran and his colleagues at Pacific Northwest National Laboratory‚ have devised a method of separating out the parts of hair samples that can reveal details about the recent history of the person to whom it belongs. In their paper‚ published in Rapid Communications in Mass Spectrometry‚ they describe a process they’ve devised whereby hair samples are pulled apart‚ rather than burned as a whole before being measured
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survivors and deliver a small package such as a communication device or location marker to help rescuers determine victim’s location and condition. Solutions -Robot tethered through serial cable and controlled via a PS3 controller -Robot consists of infrared sensor to locate victim and proximity sensor to monitor distance between robot and survivor. I. Requirement and Stakeholder Analysis a. Many parties are involved in the construction‚ testing‚ and operation of the USRR‚ and thus a stakeholder
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Furthermore‚ modern software algorithms help to obtain quantitative analysis. This technique works on the fact that bonds and groups of bonds vibrate at characteristic frequencies. A molecule that is exposed to infrared rays absorbs infrared energy at frequencies which are characteristic to that molecule. Then‚ the resulting FT–IR spectra are compared and matched with known signatures of identified materials in the FT–IR library (Bruni et al. 1999). Case study Pigment samples
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