An electrical resistor of fixed total resistance between two terminals, but with a third terminal attached to a slider that can make contact at any desired point along the resistance. Electrodes are devices with which one can detect the movement and separation of charges occurring at phase boundaries, as well as induce and vary such processes by means of a forced current flow. The maker of a powerpoint presentation obviously wants his effort to be memorable, so it is natural that he may use thematic elements while making the presentation. However, the rapid development of new selective electrodes and. Thus, a conventional standard additions plot would be nonlinear. If you have apples keynote you can use it to open your powerpoint file and. The ends of the resistance element are attached to two input voltage conductors of the circuit, and the third contact, attached to the output of the circuit, is usually a movable terminal that slides across the resistance element. Chemical applications of potentiometry hazel rossotti on.
Potentiometric titration is a technique similar to direct titration of a redox reaction. Powerpoint is topdrawer presentation software, and the 2016 mac edition gains a handful of useful additions to keep the tool vital. An instrument used for measuring small differences in electrical potential. Microsoft powerpoint 2016 for mac free download and. An instrument for measuring an unknown voltage by comparison to a.
Electrochemistry is a part of chemistry, which determines electrochemical properties of substances. Potentiometry science method solution titration in which the end point is read from the electrodepotential variations with the concentrations of potential determining ions. Now containing an exhaustive set of presentation tools, including more than 2400 objects, slides and slide templates from such diverse fields as biochemistry, pharmacology, molecular pathology, signaling, biology, and methods. The ph electrode and potentiometric titrations in this experiment you will investigate the nernstian response of a ph electrode, perform potentiometric titrations, investigate the acidbase properties of the bicarbonate buffer system, and determine the pka values of lhistidine. Microsoft powerpoint 2016 for mac is an application which can be used for creating some stellar presentations.
For example, jim gordons excellent pc to mac and back page on. In this video potentiometry is explained and real examples are shown. New 2060 process analyzer customized onlinemonitoring of. Since the reference voltage can be produced from an accurately calibrated voltage divider, a potentiometer can provide. When it comes to presenting a project or idea, giving a conference or explaining any. Potentiometry is based on the measurement of the potential of an electrode system. Analytical applications 2 main classes of electroanalytical techniques. The main theory involved in the potentiometry is, when the known potential electrode immersed in the sample solution then the potential is given by nernst equation. The powerpoint app gives you access to the familiar tool you already know. Quickly create, edit, view, present, or share presentations quickly and easily from anywhere. Remove this presentation flag as inappropriate i dont like this i like this remember as a favorite. If you need to create presentations on the mac and move them to the pc or vice versa, this is a good place to start. It is usually employed to find the concentration of a solute in solution. Switch on the instrument connect the saturated calomel electrode to the positive terminal or socket and the glass electrode to the negative.
Potentiometry 1024 page 2 for all measurements, the junction potentials are also unchanged. Produced by christopher swagler and emilee welton for che 227 analytical chemistry. A potentiometer is an instrument for measuring voltage or potential difference by comparison of an unknown voltage with a known reference voltage. This value is necessary to linearize the std additions plot for potentiometry. For this potentiometric chloride titration cell, check for understanding 11. Then the measured cell potential can be expressed as where r is the gas constant, t is the temperature k, f is the faraday constant, n represents the charge on the analyte ion and a is the activity of the analyte ion. With the mac version of microsoft powerpoint from the famous office suite, you can create all sorts of presentations integrating multimedia elements. Arrange the calomel electrode and the paddle of the stirrer in such a way that it must be at the lower level of the glass electrode which is placed between them. Potentiometry is an electrochemical analysis method that can be applied where a suitable color indicator is not. Microsoft powerpoint for mac download free 2020 latest. The overall cell potential ecell is the sum of the halfcell potentials.
How do i convert pptx into mp4 on macbook microsoft. Potentiometric definition of potentiometric by medical. How to download microsoft powerpoint on a mac computer. It is a method of analysis in which we determine the concentration of an ion or substance by measuring the potential developed when a sensitive electrode is immersed in the solution of the species to be determined. Most commonly used electrode in potentiometry tube 515cm long, 0. The adobe flash plugin is needed to view this content. Because the tool is well built with advanced scanning technology that fixes file without altering the original file. Nov 30, 2015 a video to summarizeintroduce potentiometry. End point detection many things that have been told about use of indicators in acidbase titration hold also for potentiometric titrations. How do i convert pptx into mp4 on macbook microsoft community. This text, intended to update the classic kolthofffurman potentiometric titrations, deals with the application of potentiometry to analytical chemistry. Dec 07, 2017 in this video potentiometry is explained and real examples are shown. Basics of potentiometry pdf metrohm newsletter register now. A qualifying office 365 subscription is required for word, excel, powerpoint and outlook.
The most popular versions of microsoft powerpoint for mac are 14. Potentiometry definition of potentiometry by the free. Direct potentiometry is the simplest and most widely used method of using ises as described above in the basic theory and calibration sections of this work. The potential difference is determined by the electrochemical cell which is composed of pair of electrodes namely the indicator electrode and the reference electrode. I made my talking head video portion in imovie version 10. Application the sce is used in ph measurement, cyclic voltammetry and general aqueous electrochemistry. One electrode is called the reference electrode and has a constant potential, while the other one is an indicator electrode whose potential changes with the composition of the sample. There are many features which make the new powerpoint attractive. Powerpoint to pdf hyperlinks mac powerpoint to pdf hyperlinks mac download. Comparison of proposed methods with the methods in literature used for urea determination method signal mechanism linear range, mm fluorescence cdseznsurease 010 fluorescence cdseznsemsaurease 0. The potential difference is determined by the electrochemical cell which is composed of pair of electrodes namely the indicator electrode and the. Start quickly with the most recent versions of word, excel, powerpoint, outlook, onenote and onedrive combining the familiarity of.
Wherever possible, use the tools built into powerpoint ie, powerpoints table editor in ppt2000 and up on pc, pptx and up on mac rather than objects created in external programs. Potentiometry passively measures the potential of a solution between two electrodes, affecting the solution very little in the process. The higher the concentration of the titrated substance and the titrant, the longer the steep part of the titration curve and the easier the redox indicator selection. A threeterminal resistor with a manually adjustable center connection that adjusts the resistance between the end terminals and the center, whose uses include controlling the volume of an amplifier. Potentiometry potential is measured under the conditions of no current flow the measured potential is proportional to the concentration of some component of the analyte the potential that develops in the electrochemical cell is the result of the free energy change that would occur if the chemical phenomena were to proceed until the. Powerpoint for mac online courses, classes, training. The ultimate resource for scientific lectures and seminars in biomedicine. Shaise jacob faculty pharmaceutical analysis nirmala college of pharmacy muvattupuzha, kerala, india slide 2. The pharmaceutical analysis is a branch of chemistry, which involves the series of process for the identification, determination, quantitation, and purification. In potentiometric measurements, the potential between two electrodes is measured using a high impedance voltmeter. Ppt potentiometry powerpoint presentation free to download id. I am a novice at video production, but the current graduate course has many assignments where i have to post videos.
You can download microsoft powerpoint on your mac computer in the app store and use it with a office 365 plan. Basic principles of potentiometry combining two halfcells two halfredox reactions and measuring the potential difference between them that gives e cell if the potential of one hafcell one half reaction is held constant then the potential of the other half half cell or half reaction will be known and consequently. Microsoft powerpoint free version download for mac os x. In the most common forms of potentiometry, two different types of electrodes are used. If a sensitive indicating instrument is used, very little current is drawn from the source of the unknown voltage. I made my slide presentation in powerpoint for mac version 15. Potentiometry is mainly used to determine the potential or the electromotive force of a sample solution. Presenter view automatically adapts to your projection setup, and you can even use it on a single monitor, themes now come with variations, which make it simpler to hone in on the look you want, and.
Potentiometric titration end point detection many things that have been told about use of indicators in acidbase titration hold also for potentiometric titrations. Potentiometry is one type of electrochemical analysis methods. Scribd is the worlds largest social reading and publishing site. Describes the cells, electrodes, and basic procedures used in analytical potentiometry and treats the application of potential monitoring to the assessment of equivalence volumes in titrimetry, and the determination of solution.
Application news, practical tips for the laboratory, and more. The present article addresses the theory, practical aspects and troubleshooting of potentiometry. Learn how to use powerpoint for mac, from beginner basics to advanced techniques, with online video tutorials taught by industry experts. This is mainly used for the separation of the components from the mixture and for the determination of the structure of the compounds. Amperometry or coulometry 1 potentiometry well focus on potentiometry. Describes the cells, electrodes, and basic procedures used in analytical potentiometry and treats the application of potential monitoring to the assessment of equivalence volumes in titrimetry, and the determination of solution equilibrium data. The conductometric and potentiometric units used in this work have been designed and developed inhouse and their instrumentation is entirely different from that of commercially available conductivity and potentiometric units. The application of standard additions to potentiometric measurements is complicated by the fact that the measured signal is proportional to the logarithm of the analyte concentrations. Application of the standard additions procedure to potentiometry. Indicator electrode copper silver cell fuel cell a potentiometer is an instrument for measuring the potential voltage in a circuit. Microsoft powerpoint for mac is primed for use on tablets and phones, so you can swipe and tap your way through presentations. And well point you to other good sources of information. What do we need to conduct a potentiometry experiment. Potentiometry is a classical analytical technique with roots before the twentieth century.
Use libreoffice and export to ppt libreoffice free office suite. Potentiometry article about potentiometry by the free. Potentiometry and potentiometric titrations chemical. Feb 27, 2017 most commonly used electrode in potentiometry tube 515cm long, 0. Potentiometric titration end point detection and indicators. I cannot save word files or power points as pdfs that preserve clickable hyperlinks. Microsoft powerpoint 2016 for mac free downloads and. One of the most common and earliest applications of potentiometry is ph determination, and titration for the determination of electro active species. Liquid junction potential occurs when two solutions of different concentrations are in contact with each other. Wp002en basics of potentiometry pdf metrohm newsletter register now. Use keynote and export to ppt apple keynote for mac 3. Potentiometric measurement system consists of two electrodes called reference and indicator electrode, potentiometer and a solution of analyte.
This is the method in which the potential between two electrodes is measured while the electric current usually nearly zero between the electrodes is controlled. The actual developer of this mac application is microsoft. Potentiometric analysis article about potentiometric. Chm 4102 electrochemistryprinciple of potentiometric measurement group 6 siti nor rafidah bt mohd ali jinnah 152025 ong hui jin 152161 norasheila bt mohd saad 152167 nur zalikha bt nasrudin 152843 fatin nurul atiqah bt osman 153319 siti nursyafiqa bt zainul abidin 153933 nurasiqin bt iskandar 154652 chan yun joo 154663 nur syazana bt abdul rahman 154794 nur amiera bt azman 155629.
A free powerpoint ppt presentation displayed as a flash slide show on id. Pdf the electrode for potentiometric determintion of chromium. Powerpoint to pdf hyperlinks mac i have mac office 2011. Through development of electrodes that selectively determine target ions, potentiometry in general is replacing many older, most expensive and time consuming method. If you have a corrupt pptx mac file, get it repaired using this reliable utility. Yodot ppt repair application effectively fixes presentation files that are damaged badly. The potential is directly proportional to the concentration of the ions. Potentiometry is one of the methods of electroanalytical chemistry.
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