on differences in physical properties such as decantation‚ filtration‚ extraction and sublimation. The process of separating a liquid from a solid (sediment) by gently pouring the liquid from the solid so as not to disturb the solid is Decantation. Filtration is the process of separating a solid from liquid by means of a porous substance –a filter- which allows the liquid to pass through but not the solid. Extraction is the separation of a substance from a mixture by preferentially dissolving that
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(non-DIS placement) Microencapsulation Techniques and Applications Student Name: Photchara Chawasap‚ B118708 Date: 26/9/2013 Word Count: 8321 SUMMARY Microencapsulation is a technique in which active ingredients solid or liquid are coated within a second material for the purpose of protecting the active ingredient from the surrounding environment. The coated core material is called a ‘microcapsule’. The active ingredient is the core material and the surrounding material
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and poly(ethylene glycol)‚ must be computed on the basis of data on apparent molal volume (V_∅). The following equation shows the relation of the V_∅ of a binary solution with density‚ Equation 1 The notations which are used in Equation 1 are as follows: mi: Molality of solute i‚ F: Density of the binary solution‚ ρ_w: Density of water. In general‚ In order to yield apparent molal volumes at infinite dilutionV_∅^∞‚ the apparent molar volumes V_∅ of aqueous electrolyte solutions are extrapolated to
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form of acyclic alcohol is ethanol which is a clear‚ volatile‚ flammable liquid that boils at 78.4℃. It is used as an industrial solvent‚ car fuel‚ and as raw materials in the chemical industry. Ethanol is widely used as a solvent for human contact or consumption‚ including perfumes‚ flavorings‚ colorings‚ and medicines. Another type of acyclic acid is methanol‚ and it is also the simplest sort of alcohol. It is a clear liquid that resembles ethanol is odor and properties‚ but it has a slightly lower
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method would consistently test the foam and ensure it has the correct density? Background: There are words that need to be understood before executing the experiment. The first thing you need to know is density. Density is a measure of mass per unit of volume. The reason for testing density of doors because doors must contain a density of 14.34lbs per ft3 of foam‚ or it will collapse if the density is too high. If the density is too low‚ it won’t allow for normal expansion during weather changes
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a substance (Moore‚ Stanitski & Jurs‚ 2009). Freezing point is the fixed temperature at which a pure liquid converted into crystalline solid. Melting point is the fixed temperature at which a crystalline solid converted to a liquid (Ebbing & Gammon‚ 2010). The melting point of a solid and the freezing point of its liquid is the same. It is the temperature at which the rate of freezing of its liquid is the same as the rate of melting of a solid under a given applied pressure (Whitten‚ Davis & Peck
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existing fluid models tend to be either too inaccurate‚ or at least highly non-generic for most practical applications. This article introduces simple‚ yet accurate approaches for measuring and predicting the most important dynamic fluid parameters: bulk modulus‚ density and speed of sound in fluid. The methods are basically applicable to any standard hydraulic fluid‚ without any extra system-related constraints‚ at least at the presented conditions. The studied pressure range reaches 1500 bar‚ and the temperatures
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DISCUSSION | 9 | CONCLUSION | 10 | REFERENCES | 11 | APPENDIX | 12 | Summary This study was undertaken to investigate the characteristics of a Centrifugal pump. The Centrifugal pump is largely used in petrochemical industries to move liquids around the plants and refineries. Through common practise of Centrifugal pump operating characteristics is it possible to determine the optimum conditions of particular conditions. The results of typical characteristics are expressed on this work
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“Is Density An Intensive Property Of Matter?” By: Mikal Hayden - Gates A. Introduction The first unit we learned in chemistry was Alchemy. In this unit I learned about the extensive and intensive properties of matter. An extensive property is a property of matter that depends on the changes of the substances shape or amount. An intensive property is a property of matter that doesn’t depend on the substances shape or amount. The purpose of this investigation was to prove that density is
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emulsion‚ which is a mixture of two liquids that normally cannot be combined. Mayonnaise is made by combining lemon juice or vinegar with egg yolks. The egg yolk is obtained and10 drops of was added to the egg yolk in a beaker. Oil was then added in a steady stream while whisking. This was done until the oil was completely mixed in and the mayonnaise was thick and fluffy. There was an emulsion created; a dispersion of one liquid (the oil)‚ inside another liquid (the vinegar)‚ with an emulsifier (the
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