One Part of Chemistry

Thursday, October 11, 2012

Extraction of caffeine from tea leaves

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Objectives: 1. To isolate caffeine from tea by solid-liquid and liquid-liquid extraction 2. To purify the product by sublimation Introduct...
1 comment:
Thursday, September 20, 2012

Isolation and Characterization of Eugenol from Cloves

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Objectives: 1. To isolate eugenol and neutral product from cloves by using steam distillation 2. To characterize eugenol and natural produc...
3 comments:
Monday, September 17, 2012

Polarity of organic solvents

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Based on what I observed in these years, I realized that not much people know how to differentiate the polarity of solvent. So, today I’m go...
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Monday, August 27, 2012

Nomenclature and empirical formula of Nylon polymer

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1. Write the equation involved in the above synthesis, its chemical name and industrial name. Chemical name: Poly(hexamethylene sebacamide)...
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Monday, July 16, 2012

Determination of the amount of oil and grease in kitchen water

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Objective: 1. To determine the amount of oil and grease present in the kitchen water 2. To determine the amount of impurities in distilled w...
1 comment:
Thursday, July 5, 2012

Atomic Absorption Spectroscopy (AAS)

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Objective: 1. To understand the basic operation the atomic absorption spectroscopy (AAS) 2. To determine the main factors that can affect th...
Friday, June 22, 2012

Thin Layer Chromatography Technique

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Objective: 1. To learn the separation technique by using thin layer chromatography plate in separating a mixture of compounds into individu...
3 comments:
Monday, June 11, 2012

Solubility Equilibrium

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Objective: 1. To study the thermodynamics of solubility of naphthalene in dipheylamine 2. To determine the molal freezing point depression...
Thursday, June 7, 2012

Solvolysis of the salt of a weak acid and a weak base

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Objective: 1. To determine the extent of solvolysis of ammonium borate in water by calorimeter Results and calculation: Part I: Mixture o...
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