LABORATORY REPORT UNIT OPERATION FST359 EXPERIMENT 1 : LIQUID-LIQUID SEPARATION BY DISC-BOWL CENTRIFUGE. NAME : ANAS BIN MOHD KAMAL. ID : 2013467978. GROUP : AS1164A1. LECTURER : SIR MOHAMAD SHAHRIMI BIN HASHIM. OBJECTIVE : 1. To separate cream from dairy milk and coconut milk. 2. To measure the quantity and density of cream and skim milk. MATERIALS : Dairy milk powder and coconut milk. APPARATUS : 25 ml specific gravity (SG) bottles
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DATA AND RESULTS Substances Treatment Observation Rapid cooling Slow cooling Benzoic acid + NaCl + congo red Heat and filter Colorless solution‚ Coarse crystals Colorless solution‚ Fine crystal Crystallization is a highly effective method for the purification of organic substances‚ provided that the physical properties of a given compound permits its purification in this manner. Solid organic compounds when isolated from organic mixtures or reactions are seldom pure; they are usually contaminated
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the liquid state‚ they can occur in all three main phases‚ gas‚ liquid‚ and solid. For example‚ the water in the air is a liquid solute dissolved in a gas solvent; solid solutions include brass‚ which is made from combining zinc with copper 3. Describe two examples of colloids (see Table 132). A colloid consists of small particles 1nm to 1000nm in size that are suspended in a solid‚ liquid or gas. Examples include common products such as gel‚ a solid network extending throughout a liquid‚ or
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of layers of liquids of different densities which do not mix with each other‚ and which are clearly distinguishable from each other. The highest density material is at the bottom of the column‚ and as you proceed up the column‚ the density of each successive layer decreases‚ with the lowest density layer on top. Three methods for construction of a five-layer density column are discussed in this write-up. All methods use the same five liquids. • Method 1 gives the names of the liquids and the order
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Solvent: A liquid substance capable of dissolving other substances c. Mixture: a substance consisting of two or more substance mixed together d. Solution: A homogeneous mixture of two or more substances e. Emulsion: a colloid in which both phases are liquids f. Suspension: a mixture in which fine particles are suspended in a fluid where they are supported g. Colloidal dispersion: a colloid that has continuous liquid phase in which a solid is suspended in a liquid. 5. How
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the gas‚ liquid‚ or solid phase. In order to separate or remove one or more of the component from its original mixture‚ it must be contacted with another phase. The two-phase pair can be gas-liquid‚ gas-solid‚ liquid‚ or liquid-solid. Absorption When the two contacting phases are a gas and a liquid. A solute A or several solutes are absorbed from the gas phase into a solid phase. Distillation A volatile vapor phase and a liquid phase that vaporizes are involved. Liquid-liquid Extraction
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Water Traps and Pigtail Siphons A water trap is a device that allows gas and air to pass but holds back water. Pigtail Siphons Industrial factories utilize steam as a pressurized fuel for energy consumption. This steam needs to be regulated by a gauge‚ but the gauge must have a way of being safe from the powerful heat and pressure of the steam itself. This is where pigtail siphons (or siphons) come in. Function Pigtail siphons are looped pipes filled with water that are placed in piping configurations
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Evaporation Several factors determine how fast a sample of liquid will evaporate. The volume of the sample is a key factor. A drop of water takes less time to evaporate than a liter of water. The amount of energy supplied to the sample is another factor. In this lab‚ you will investigate how the type of liquid and temperature affect the rate of evaporation. Problem: How do intermolecular forces affect the evaporation rates of liquids? Pre-Lab: Read the ENTIRE LAB first then answer the following
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also two different containers to place the creatures in. Lastly‚ the person performing the experiment should choose two different liquids to place the creatures in. The first step in the actual experiment is to open the two packages containing the polymer creatures and then placing each of them aside for later. Next‚ fill the the two containers with the two different liquids of choice‚ which in this case is water and vinegar. Finally‚ after filling the containers‚ place one of the two polymer creatures
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deposition of uric acid crystals‚ and joint destruction if left untreated. Uric acid is a byproduct of purine metabolism. Lacking uricase‚ humans remove uric acid primarily by renal excretion. "Normally‚ uric acid dissolves in your blood and passes through your kidneys into your urine. But sometimes your body either produces too much uric acid or your kidneys excrete too little uric acid. When this happens‚ uric acid can build up‚ forming sharp‚ needle-like urate crystals in a joint or surrounding
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