Calibration

Voltammetry of Ferricyanide Analytical Lab 1: 2410L Benjamin A. Battiste Group 2 10/14/15 Introduction: The purpose of this experiment is to use cyclic voltammetry to see how ferricyanide can be reduced to ferrocyanide. Using cyclic voltammetry a calibration curve will be created to determine the concention(mM) of an unknown solution of ferricyanide. In cyclic voltammetry, the potential of a substance is scanned starting from a certain voltage, going to another voltage, and then returning…

Discussion and Scientific Explanations Colors help most people describe what different objects look like. When white light hits an object, in most cases, the object will absorb all of the wavelengths, except for one group. This group of wavelengths is then reflected off of the objects. The cones and rods in our eyes will then pick up this wavelengths and then the brain sees them as “color”. The reason that solutions have colors is because electrons in the chemical’s 4d orbital are jumping…

In order to complete this experiment, students had to provide a great amount of focus and a good understanding of the procedures, which were, along with the materials, very detailed. With this being said, because most of the materials had similar names, it was important for students to not manipulate the lab by mixing up the reagents, which would completely ruin the experiment. The important factors that influenced the success of this experiment included the following: 1) 100% transfer, 2) 100%…

volumes of SCN2+ ions were diluted with DI water and reacted to produce an unknown amount of FeSCN2+ ions in an equilibrium reaction. The absorbance of each solution was found using a spectrophotometer, the first five of which was used to create a calibration curve, whose equation relates the concentration and absorbance of FeSCN2+ ions. Theories…

the credit limit is used as a proxy to quantify cash constraints (see Table 5.4). According to Diagne and Zeller (2001), the credit limit is the maximum quantity of credit the household is able to borrow from formal and informal sources. 5.3 Calibration of the Model Models simplify reality; therefore…

Introduction: Resistance to antibiotics is an ongoing concern of the pharmaceutical industry. The limited number of antibiotics in the market to treat Gram negative bacteria made their resistance an issue that is being addressed worldwide. The isolation of colistin from Bacillus polymyxa var. colistinus in Japan in 1949 and the introduction of colistin into the market in 1959 as its inactive prodrug colistin methanesulfonate (CMS) were significant milestones in the treatment of this type of…

In many cases calibration curve changes from ideal behavior (shown in figure). Changes from linearity are divided into 3 types i.e. chemical, fundamental and instrumental. Fundamental limitations of beer Lambert’s law Beer Lambert’s has a limitation and it is valid only…

observed and calculated values was found. The calibration target can also be achieved by automated parameter estimation or manual adjustment by trial and error procedure . The steady state model was recalibrated using seven7 head well data at different locations as fig (4-4), that obtained from previous studies .the steady- state model was calibrated by adjusting the hydraulic conductivity with manual trial and error method . Where calibration took more of 70 runs to determine suitable…

James Apostolico November 6, 2014 The Chemistry of Natural Waters Chemistry 111 Section: 005 Kareem Ali, Dima Alfawaz Stephanie Le Clair Introduction Water hardness is a way of defining the quality of water based upon the amount of Ca2+ and Mg2+ions that the sample contains.1 Water mostly becomes hard by flowing over weathering rocks which release these ions into the water. These released ions dissolve in water and then react with various elements, ions and compounds that…

dominant and the other two were a right hand dominant. A hand dynamometer was used for the BSL PRO3.7.5 software on a computer-using lesson 2 on the BIOPAC student lab program (5). Calibrations were done to set parameters for optimum data which the program needs by obtaining the maximum clench. To perform calibration, clenching as hard as the individual could for 2 seconds and then released for the rest of the 8 seconds (5). Furthermore, the data collected was delta T using the value of area…