Filtration is a mechanical or physical process to separate solid particulates from fluids Filtration is a technique used to separate a solid from a liquid. The solid is separated from the liquid phase by passing the mixture over a filtering media. Filtering media is characterized by being chemically inert to the mixture‚ and having small pathways for the liquid to pass through‚ but these pathways should be smaller than the solid particle size. Filtering media can be prepared using paper‚ fritted-glass
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Chemistry Lab Report Practical #1 Title: The Densities of Liquids and Solids Date: 29th of August 2014 Session: Friday 1 p.m. Student’s name: Alua Sarybay Lab partner’s name: Gulzhauhar Nurdildayeva Tutor’s name: Eugene Douglass Introduction The matter can be observed by determining‚ measuring and monitoring its chemical and physical properties. In this experiment the densities of liquids and solids will be determined. The density is an intensive property of matter that does not depend
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assumed to be negligible. Variables and Parameters: ‚ Mass of bulk liquid; ‚ heat capacity; ‚ Temperature of bulk liquid; ‚ flow rate of heat transfer fluid in jacket; ‚ heat capacity of heat transfer fluid in jacket; ‚ jacket inlet temperature; ‚ jacket outlet temperature‚ ‚ overall heat transfer coefficient times area. Balance Equations: where‚ Pilot Plant Data: The following data relating bulk liquid temperatures to the jacket temperature is available from pilot plant tests
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Ruan Solid Molecules are tighly packed and harder than liquids and gases. Examples: Ice‚ Coal‚ Salt Amorphous solid-a solid which has a disordered atomic structure. Examples: Glass‚ Rubber Liquids flowing freely but of constant volume. Examples: Water‚ Mercury‚ Alcohol Viscosity-a measure of its resistance to gradual deformation by shear stress or tensile stress. Surface tension-the force that acts on the surface of a liquid and tends to minimize the surface area. Surface tension can
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insoluble solid. 3. Decantation. This separates a liquid from an insoluble solid by carefully pouring the liquid from the solid without disturbing the solid. 4. Filtration. This separates a solid from a liquid through the use of a porous material as a filter. Paper is a good filter. Filters allow the liquid to‚ pass through but not the solid. 5. Evaporation. This is the process of heating a mixture in order to drive off a volatile liquid and make the remaining component dry. The mixture
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PREFORMULATION STUDIES ON PHENYTOIN AGGLOMERATES PREPARED BY HOT MELT Dr. Maged Fawzy DEEF Pharmaceutical Industries Company‚ SA This work was a part of Master thesis presented in Faculty of Pharmacy‚ AlAzhar University‚ Egypt 2007 INTRODUCTION Hot Melt Hot melt agglomeration is one type of wet granulation techniques that may be utilized to enhance the dissolution profile of water insoluble drugs. Hot melt agglomeration is also called thermoplastic granulation and it may be defined as the
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(milk) and gas (food coloring) in the respiratory system. Because I know milk is non-polar and food coloring is polar‚ my hypothesis predicts the two will not mix voluntarily at first‚ but the soap acting as a surfactant‚ when added‚ will help the two liquids mix together. Materials (Part on: water surface tension) 1- A penny 2- A dropper 3- Water 4- Paper towels (Part two: surfactant) 1- Milk 2- 2 different color food coloring 3- Dishwashing soap 4- Cotton swab 5- A mall clear dish 6- Timer 7-
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LET’S START WITH COPPER CHEMISTRY REPORT 2012 INTRODUCTION: The law of conservation of mass means that the atoms of an object cannot be created or destroyed‚ but can be moved around and be changed into different particles. This law says that when a chemical reaction makes two different atoms into a new product‚ the mass will be the same. Knowing this the mass of the copper should be the same at the beginning and at the end of the experiment. In this investigation we will see
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Villanueva‚ Justeen Wong Department of Chemistry‚ University of Santo Tomas‚ Manila‚ Philippines Abstract This experiment has been divided into 4 set-ups‚ first was the solid-liquid extraction‚ next was the liquid-liquid extraction‚ then the sublimation and last was the melting point determination. The solid-liquid and liquid-liquid extraction were both done during the first meeting‚ the DCM layer was filtered and dried in the evaporating dish and kept inside the locker. The dried was light green‚ somewhat
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many peritectics? ______ How many peritectoids? ______ How many pure metal phase transitions? ______ How many congruent melting points??______ Q.2 a) A 90 wt% Ag-10 wt% Cu alloy is heated to a temperature within the b + liquid phase region. If the Composition of the liquid phase is 85 wt% Ag‚ determine: (a) The temperature of the alloy (b) The composition of the b phase (c) The mass fractions of both phases b) For a copper-silver alloy of composition 25 wt% Ag-75 wt% Cu and at 775°C (1425°F)
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