Scientific Investigation Into The Manufacture Of paint Introduction: PPG Industries is a leader in its markets; is a streamlined‚ efficient manufacturer; and operates on the leading edge of new technologies and solutions. In this assignment I will be comparing the process of paint with the industry and in the laboratory. Process of paint In the industry Making paint involves mixing the pigment with resin‚ solvents‚ and other additives to form a paste. This is normally done as the first
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Financial accounting reports are prepared for the use of external parties such as shareholders and creditors‚ whereas managerial accounting reports are prepared for managers inside the organization. This contrast in basic orientation results in a number of major differences between financial and managerial accounting‚ even though both financial and managerial accounting often rely on the same underlying financial data. In addition to the to the differences in who the reports are prepared for
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Daniel H. Perry Procedures of Measurement and Density of Sugar in Soda Introduction The main focus of this lab was to acquire a basic understanding of how to properly use measuring devices in order to determine properties of a liquid. These properties are volume‚ mass‚ and density. The following measurements were obtained in the lab: density of water‚ both density and concentration of aqueous sugar solutions‚ and density of various soft drinks with respect to sugar. Additional experience was
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01.07 Accuracy and Precision: Balance Lab Worksheet Calculations Show all of your work for each of the following calculations and be careful to follow significant figure rules in each calculation. 1. Part I: Density of Unknown Liquid 1. Calculate the mass of the liquid for each trial. (Subtract the mass of the empty graduated cylinder from the mass of the graduated cylinder with liquid.) Trial 1 36 - 25.5 = 10.5 Trial 2 36.5 - 25.5 = 11 Trial 3 36.9 - 25.5 = 11.4 2. Calculate the
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------------------------------------------------- Please read before you come for the next lesson Additional Notes on significant figures When we use an equipment to take measurement‚ it is important to be honest when reporting a measurement‚ so that it does not appear to be more accurate than the equipment used to make the measurement allows. To achieve this‚ we can control the number of significant figures used to report the measurement. When we look at a number‚ its first significant
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lasts three years. This article uses the straight sell tactic. The article consists of a straightforward and clear presentation of the digital watch and its benefits. The advertisement clearly explains the features of the watch such as its precision and accuracy‚ differentiating it from other watches. The article actually states that‚ "if you travel-this watch is a necessity" (People‚ 2003). The advertisement also uses the educational tactic. The ad offers a detailed explanation of the digital
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When the operating button is pressed again ‚ the piston descends ‚ expelling the liquid from the tip. We need to optimize volume range by selecting the correct volume pipette . We must work in the 35% to 100% volume range for best accuracy and precision . Besides that ‚ the tip immersion angle also plays an important role . Nextly‚ the micrometer setting must be done using the correct technique . If filled ‚ we should not lay the pipette down or hold more than 20º from vertical . Lastly ‚ we should
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created a graph. Using the graph‚ get the best-fit straight line to examine the relationship. Using the predicative model (the best-fit line) to determine the percent copper and zinc in pennies. Then accuracy the errors and error percentages. Precision the absolute deviation and the deviation percentages. Observation: Part 1: Pre-82 Pennies Weight 10 dry pre-82 pennies which get 30.29g‚ using 30ml initial volume measuring the volume of 10 pennies‚ record the data 3.0ml. Using equation Density=
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EXPERIMENT #1: SCIENTIFIC MEASUREMENT AND ERROR By: Date: 8/26/13 Objectives: The goals of the experiment are to learn how to use different types of scientific glassware and to understand the significance of precision and accuracy in scientific measurement. Procedure: No modifications were made during the experiment. Data: Data tables for the experiment are provided on attached sheet. Calculations: Table I - Table III – Table IV –
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found to be 100 and 1250 ng/ml respectively. Tamulosin Hydrochloride and Finasteride were found to be linear in the range of 0.3 to 10 µg/ml and 3.75 to 125 µg/ml respectively. The developed method was validated in terms of linearity‚ accuracy‚ precision‚ specificity‚ limit of detection‚ and limit of quantification as per ICH guidelines. System suitability parameters like number of theoretical plates (N)‚ peak asymmetry factor (As)‚ and resolution (Rs)‚ etc. were studied and it was found that all
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